Ayyar, Ekambaranatha M. and Ananthakrishnan, T. N. A Manual of Zoology Volume I Invertebrata Part 1 (Protozoa to Annelida) - Madras S. Viswanathan (Printers & Publishers) Pvt., Ltd. 1954 - 478 Publisher. No.: Sapna Book Stall Subjects--Personal Names: Zoology Subjects--Topical Terms: Zoology