Ayyar, M. Ekambaranatha, and Ananthakrishnan, T. N. A Manual of Zoology Volume I Inveetebrata 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