Extinct and Vanishing Animals of The Old World
by Francis Harper
Publisher: American Committee for Wild Life Protection 1945
Number of pages: 878
The present work had its origin in a strongly felt need for definite information on the mammals that have become extinct during the Christian Era, on those that are now threatened with the same fate, on the factors contributing to the progressive depletion of the world's mammalian faunas, and on the measures that have been hitherto or may be hereafter undertaken for their preservation. It consists to a large extent of an inventory of vanishing resources, as an essential step in their conservation.
Home page url
Download or read it online for free here:
by Milad Manafi - InTech
Artificial insemination is used for reproduction purposes and its chief priority is that the desirable characteristics of a male livestock animal can be passed on more quickly and to more progeny than if that animal is mated in a natural fashion.
by Armand R. Maggenti - University of Nebraska - Lincoln
An exhaustive dictionary of terms relating to invertebrate zoology, including etymologies, word derivations and taxonomic classification. Entries cover parasitology, nematology, marine invertebrates, insects, anatomy, biology, and more...
by William Thomas Calman - Methuen & Co.
This book deals chiefly with the habits and modes of life of the Crustacea, and attempts to provide an account of some of the more important scientific problems suggested by a study of the living animals in relation to their environment.
by Vernon L. Kellogg - Henry Holt & Co.
This is an introduction to an elementary knowledge of animal structure, function, and development; a consideration of the principal branches of the animal kingdom; a brief consideration of certain of the more interesting features of animal ecology.