TY - ART TI - Principles of zoölogy : touching the structure, development, distribution, and natural arrangement of the races of animals, living and extinct, with numerous illustrations : part I, Comparative physiology, for the use of schools and colleges — Illustration, Page 45 PY - 1853 UR - https://www.biodiversitylibrary.org/page/1364183 ID - page-1364183 ER -