Ayyar, M. Ekambaranatha and Ananthakrishnan, T. N. <br/><br/>
A Manual of Zoology 
Volume I Invertebrata Part II 
 - Madras  S. Vishwanathan (Printers & Publishers) Pvt. Ltd  1954 
 - 902 
<br/><br/><label>Publisher. No.: </label> Veena Book Centre 
<br/><br/><label>Subjects--Personal Names: </label> Zoology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology