Anglický jazyk

Hall, G: Pedagogical Seminary, Vol. 11

Autor:

1 kus skladom u vydavateľa Posielame do 7-10 dní

23.40 €

bežná cena: 26.00 €

O knihe

Excerpt from The Pedagogical Seminary, Vol. 11: A Quarterly International Record of Educational Literature, Institutions and Progress

Going still further back, the Eocene epoch shows many traces of ¿esh eaters which'may well have been the ancestors of the F elidae. According to Cope1 this position is most appro priately held by the Oxyaenidae, a family of several genera, which included the most formidable rapacious mammals of that early period in both continents. In the process of evolution the muscles of the jaws and the teeth have moved forward, at the same time the jaw has become shorter. This has resulted in bringing the power of the jaws to bear more prominently on the canine teeth. In the early carnivora, the jaws are much longer and support a larger number of teeth than in any of the modern families, and the fissure of the mouth was probably very wide and the last molar, a sectorial, while the canine teeth were evidently very ineffective as weapons. These animals probably only snapped with their jaws and did not attempt to Iacerate, or hold on as is so characteristic of the cat family. The dogs of to-day are an example of the long jawed type. They snap in a manner quite distinct from anything seen among cats. In the use of the canines for tearing, lacerating and holding on, which has evolved along with the Shortening of the jaw, we have derived one of the most typical characteristics of the Felidae.

About the Publisher

Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.