Observations on the genus Oestrus

Publisher: Benjamin White and Son in London

Written in English
Published: Pages: 329 Downloads: 876
Share This


  • Oestridae.,
  • Botflies.,
  • Warble flies.

Edition Notes

Statementby Bracy Clark ; read November 1, 1796.
SeriesLandmarks of science II
LC ClassificationsQ111 .H35, QL537.O4 .H35
The Physical Object
Paginationp. 289-329, [1] leaf of plates
Number of Pages329
ID Numbers
Open LibraryOL19449314M

  Why Humans Are Important to Studies of Primate Diversity. It is not in the least bit controversial to picture humans* within the context of the placental mammal group that we belong to, the primates. Dominance hierarchy arises when members of a social group interact, often aggressively, to create a ranking system. In social living groups, members are likely to compete for access to limited resources and mating than fight each time they meet, relative relationships are formed between members of the same sex.   Lemur catta Linnaeus, , is a lemurid commonly called the ring-tailed lemur. A strikingly colored, long-tailed lemur, it is the only species in the genus Lemur. It occurs in the southern half of Madagascar, where it inhabits a variety of forested habitats. It is listed as Vulnerable by the International Union for Conservation of Nature and Natural by: 7. unknown. Tropical bats such as L. brasiliense can have two or three oestrus cycles each year depending on the amount of food available per season which are influenced by rainfall and temperature. In Costa Rica, pregnant females were found in File Size: KB.

Genus: Choeropsis The Pygmy Hippopotamus, Choeropsis liberiensis, is a small hippopotamid native to the forests and swamps of West Africa and is one of two extant species in the family Hippopotamidae. There are two recognised subspecies, C.I liberiensis occurring in Cote dIvoire, Guinea, Liberia and Sierra. Platypus is well adapted for semi-aquatic lifestyle. Its streamline body and a broad, flat tail are covered with dense waterproof fur, which provides excellent thermal insulation. The Platypus propels itself through the water by using its front, short, webbed limbs, and the partially-webbed hind feet act as rudders. review of the fauna of the marquesas islands and Published by Guset User, Description: Review of the Fauna of the Marquesas Islands and Discussion of its Origin By A. M. ADAMSON FOREWORD In and it .   ↑ A genus of Hemipterous insects commonly seen skipping over ponds in England. ↑ "n.s." is the accepted abbreviation for new species. ↑ Thread-like. ↑ For an extended account of these observations see "Transactions of the New Zealand Institute," vol. xxiii. ().

The Scottish wildcat evolved from a population of European wildcats which became isolated by the English Channel over years ago. They are the largest of the wildcat family and can be double the size of a domestic pet cat and infinitely more ferocious. The fur of the Scottish wildcat is a great deal thicker than that of a domestic cat. The leaves and seeds of all members of this genus are more or less edible. However, many of the species in this genus contain saponins, though usually in quantities too small to do any harm. Although toxic, saponins are poorly absorbed by the body and . According to these observations, two distinct types of so-called tabby cats are recognizable. 0 One or other of these types is to be found in cats of almost all breeds, whether Persian, short-haired or Manx; and there appear to be no intermediate stages between them.

Observations on the genus Oestrus Download PDF EPUB FB2

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

Observations on the Genus of Porella, Observations on the Insects that infested the Corn in the Year In a Letter to the Rev. Samuel Goodenough, Observations on the Genus Oestrus.

Bracy Clark; Pages: ; First Published: May ; First Page. The Sumatran rhinoceros, also known as the hairy rhinoceros or Asian two-horned rhinoceros (Dicerorhinus sumatrensis), is a rare member of the family Rhinocerotidae and one of five extant species of is the only extant species of the genus is the smallest rhinoceros, although it is still a large mammal; it stands – cm (– ft) high at the Class: Mammalia.

The hirola (Beatragus hunteri), Hunter's hartebeest or Hunter's antelope, is a critically endangered antelope species found on the border between Kenya and were discovered by Kenyans living in the area in It is the only extant member of the genus Beatragus.

The global hirola population is estimated at – animals, there are no hirola in captivity and the wild Class: Mammalia. Oestrus is short in the cow, with ovulation occurring 10–12 hours after the end of oestrus.

During the next 6 hours the oocyte travels about a third of the way down the uterine tube, during which time fertilisation occurs, about 30 hours after the onset of oestrus (Robinson, ).The best conception rates occur if insemination is carried out in the middle to the end of standing.

Observations of captive servals suggest that when a female enters oestrus, the rate of urine-marking increases in her as well as the males in her vicinity. Zoologist Jonathan Kingdon described the behaviour of a female serval in oestrus in his book East African Mammals.

He noted that she would roam restlessly, spray urine frequently Class: Mammalia. Red panda's biology, where little (recent) research has been published, is conspicuous by their absence while others are summarized. It emphasizes how familiar the red panda is to people in its range states as well as in the wider global community and how its name and image are perceived by various cultures.

The Biodiversity Heritage Library works collaboratively to make biodiversity literature openly available to the world as part of a global biodiversity community. The rusty-spotted cat (Prionailurus rubiginosus) is one of the cat family's smallest members, of which historical records are known only from India and Sri Lanka.

Init was also recorded in the western Terai of Nepal. Sincethe global wild population is listed as Near Threatened on the IUCN Red List as it is fragmented and affected by loss and destruction of prime habitat Family: Felidae.

Oestrosis, caused by the larvae of Oestrus ovis, commonly known as sheep nose bot, is an obligatory cavitary myiasis of sheep and goats. Oestrus ovis is a widespread parasite, but little is known about the prevalence of oestrosis at the global and broad geographical levels.

The present study aimed to explore the epidemiology of oestrosis at the global and regional Cited by: 1. Klenin, I. I., (b): Nablyudeniya za vykhozhdeniem lichinok Oestrus ovis iz organizma ovets na protyazhenii sutoki.

[Observations on the emergence of larvae of O. ovis in the organism of sheep in the twenty-four hour period]. Ibid. 4(2): Google ScholarAuthor: N. Papavero. Full text of "Institutions of entomology: being a translation of Linnaeus's Ordines et genera insectorum; or, Systematic arrangement of insects; collated with the different systems of Geoffrey, Schaeffer and Scopoli; together with observations of the translator" See other formats.

Austen, E. E., (): On the specimens of the genus Cutiterebra and its allies (Family Oestridae) in the collections of the British Museum, with description of a new genus and three new Mag.

nat. Hist. (6) – Google Scholar. The knowledge of reproductive physiology is of paramount importance to guide reproductive management and to make possible future application of assisted reproduction techniques (ARTs) aiming ex situ conservation of wild mammals.

Nevertheless, information on the basic reproductive aspects of wild mammals remain scarce, and appropriate management practices have not yet Author: Alexandre R.

Silva, Nei Moreira, Alexsandra F. Pereira, Gislayne o, Keilla M. Maia, Lívia. Oestradiol beta was significantly higher (P less than ) days before, or coincident with, oestrus. The average duration of the LH peak was h (n =.

Economic Importance for Humans: Positive. saxatilis is not of much economic importance for the human population. However, many human populations use members of the genus Lepus as a food source, and it is likely that local people probably eat these hares occasionally.

Its fur is of minimal value, but it is sometimes used within the lining of various garments including gloves. Full text of "Smithsonian miscellaneous collections" See other formats. History of Animals (Thompson)/Book V.

As we carried on our previous discussion genus by genus, so we must attempt to follow the same divisions in our present argument; only that whereas in the former case we started with a consideration of the parts of man, in the present case it behoves us to treat of man last of all because he involves.

The book contains extensive sections of quoted text but these are identified by square brackets rather than by traditional quotation marks. Several short passages of text were inserted by the printer at the last minute, and these are enclosed in lightly shaded text boxes.

Genus. Oestrus, Linnæus: It was only when observations were. of Threatened Species), are listed in the Japanese Red Data Book of endangered species. longipinnis is endemic to small parts of Honshu and is a Japanese national natural treasure (Tatsuzawa, S., pers.

Comm., ).” “Coypu eat water plants that sustain native insect fauna. This has caused the local extinction ofFile Size: 1MB. All have indirect life cycles that involve an arthropod – usually one of the oribatids (soil mites) or a psocid (book louse).

Calicophoron is the only trematode of veterinary importance, as it causes quite severe disease of the small intestine. It has an indirect life cycle and freshwater snails of the genus Bulinus are the intermediate hosts. Observations on the Genus of Porella, and the Phascum caulescens of Linneans.

By: Dickson, James. Type: Article. In: Transactions of the Linnean Society of London. Volume: 3. other fly (Oestrus nasalis) lays eggs in reindeer nostrils (LinnaeusII, ). Reindeer also suffer from an epidemic disease that Laplanders called Pekke Kattiata that could be fatal (LinnaeusII–40, ).

These observations were also included in a dissertation, Cervus Rheno, defended for a doctorate degree by. PREFACE BY THE EDITOR. The biographers of Linnæus have often mentioned the Journal of his Lapland Tour, to which he himself has frequently adverted, in various parts of his voluminous works, under the title of Lachesis publication of this Journal has been anxiously desired; and so valuable was the manuscript considered, that on his whole collection and.

Some observations on the wild yak. Before the wild yak became known as Li, it was called Zhong in the Tibetan language and Zuo by the ancient Chinese in central China. Li Shizhen in his Compendium of materia medica ofsaid: "In the southwestern area around yak country, Li Niu (the wild yak) lives in the high mountains.

Its appearance. Dorchies, P. et al. () The relationship between nasal myiasis and the prevalence of enzootic nasal tumours and the effects of treatment of Oestrus ovis and milk production in dairy ewes of Roquefort cheese area. Veterinary Parasitology– The Subantarctic fur seal (Arctocephalus tropicalis) One of the most widespread species of the Arctocephalus genus, the Subantarctic fur seal, has breeding populations on the islands of Marion, Prince Edward, Tristan da Cunha, Saint Paul, Amsterdam, Crozet, Macquarie and lastly Gough Island.

Gough Island is home to the world's largest breeding population of this species. Volume provides abstracts of agricultural experiments conducted during the year. Also includes statistics, convention reports, bulletins, bibliographies, and listings for Spanish edition publications from the Puerto Rico station.

Name and subject indexes start on page Author: H. Knight. A practical book Pig Signals is not just a book to read, it is a book to use. Read it as if you were a pig, sniffing and exploring. Pick a topic, think about a. The most limiting factor in artificial insemination programs is the proper detection of cows or heifers in estrus.

Estrus, or “heat”, is that period of time that occurs every days in sexually mature, nonpregnant female cattle when they are receptive to mounting activity by. A book prize was awarded to John M.

Watson, Bishop Stortford College, for his project ‘An investigation into how temperature affects cardiac frequency in Gammarus pulex, a freshwater shrimp’ Mhairi Cameron, Culloden Academy, for her project ‘Progesterone levels and behaviour during the bovine oestrus cycle’.Book One: Facts and Myths, Part I: Destiny Chapter 1, The Data of Biology (the oestrus cycle), of which the duration, as well as the rhythmic sequence of events, varies from one species to another.

This cycle consists of two phases: during the first phase the eggs (variable in number according to the species) become mature and the lining of.Any dipterous insect of the genus Oestrus, and allied genera of botflies.

Webster] gadfly (Oestrus ovis) deposits its young in the nostrils of sheep, and the larv\'91 develop in the frontal sinuses. The common species which infests cattle.