Bullough, W.S. . Practical Invertebrate Anatomy / Textual Documents W.S. Bullough. - 2nd ed. / - London : Macmillan and Co. Ltd. , C1958. - xiv,483p. : ill ; 24cm . Index Subjects--Index Terms: Zoology Invertebrates-Anatomy G- Zoology Dewey Class. No.: 592 / B 876 P