Beaver, William C. General biology : the science of biology / William C. Beaver and George B. Noland. - 7th ed. - Saint Louis : The C. V. Mosby company, c 1966. - xxii, 604 p. : ill. ; 26 cm. Include index. 340 340 Subjects--Topical Terms: Biology. Dewey Class. No.: 574 / B386g