VI 



HANDBOOK OF MEDICAL ENTOMOLOGY 



Wm. A. Riley, Professor of Insect Morphology and Parasitology, and 

 O. A, Johannsen, Professor of Biology, Cornell University. 



^ A concise, up-to-date reference and text on parasitic and poisonous insects, espe- 

 cially those which transmit disease, with keys for determining the principal specie? 

 affecting man. Invaluable to entomologists, physicians and health officers. 



Bound in library buckram. 8vo. Now Ready. 350 pp. Fully Illustrated. 



Postpaid $2.20 



Prospectus on application. 



THE COMSTOCK PUBLISHING COMPANY :: :: Cornell Heights, ITHACA, N. Y. 



The Sling^erld^nd L&.ntern Slides 



Photographed and Colored from Nature 



Life-histories of Butterflies and Moths :: :: Injurious Insects 

 Trees and Fruits :: :: Birds and other Nature-study Subjects 



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