TY - BOOK AU - Hall, Richard P. AU - ED - ED - ED - ED - TI - : the simplest of all animals SN - 2 PY - 1964///46 CY - New York PB - Holt, Rinehart and Winston KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Protozoology N1 - Bibliography: p. 111; 5 ER -