TY - BOOK AU - Cain,Arthur J. TI - Animal species and their evolution T2 - Hutchinson's university library: Biology AV - QL351 .C2 U1 - 590.12 PY - 1954///] CY - London, New York PB - Hutchinson's University Library KW - Animal species KW - Evolution N1 - Includes bibliography UR - http://www.archive.org/details/animalspeciesthe00cain UR - http://www.openlibrary.org/books/OL6156235M ER -