ZOOLOGY AND PHYSIOLOGY. 



BUMPUS' INVERTEBRATE ZOOLOGY. A Lab- 

 oratory Course. Revised Edition. 15? pp. 12mo. 



HO WELL'S DISSECTION OF THE DOG. 100 pp. 



8vo. 



MARTIN'S THE HUMAN BODY. (American 

 Science Series.) 



Advanced Course, xvi + 621 + 34 pp. 8vo. 

 Briefer Course, xii + 377 pp. 12mo. 

 Elementary Course. vi + 261pp. I2mo. 



The Human Body and the Effects of Narcotics, 

 viii + 39U pp. 12mo. 



McMURRICH'S INVERTEBRATE MORPHOL- 

 OGY. vii+661pp. 8vo. 



PACKARD'S ZOOLOGIES. (American Science Series.) 

 Advanced Course, vii + 722 pp. 8vo. 

 Briefer Course, viii +338 pp. 12ino. 

 Elementary Course.' viii + 290 pp. 12mo. 



PACKARD'S ENTOMOLOGY FOR BEGIN- 

 NERS, xvi + 367 pp. 12mo. 



PACKARD'S GUIDE TO THE STUDY OF 



INSECTS, xii + 715 pp. 8vo. 

 SCUDDER'S BUTTERFLIES. x+322pp. 12mo. 



SCUDDER'S BRIEF GUIDE TO BUTTERFLIES. 



xi + 20(5 pp. 12m< >. 



SCUDDER'S THE LIFE OF A BUTTERFLY. 

 (For General Readers. ) 186pp. 16mo. 



SEDGEWICK AND WILSON'S GENERAL BI- 

 OLOGY. (American Science Series.) viii + U)3pp. 8vo. 



The Publishers' Educational Catalogue with descriptions 

 and prices, free. 



HENRY HOLT & CO., 

 29 WEST 28o STREET, NEW YORK. 



