THE OHIO LIBRARY COMPANY 



PUBLISH A FINE LIST OF NATURE BOOKS OF GREAT 

 VALUE TO ALL NATURE LOVERS. 



No. 1.— The Birds of Ohio. 



One and two volumes, illustrated with hundreds of Plates. 

 Description, (Scientific and Popular) of 320 Ohio Birds. 



No. 2. — The Mammals of Ohio, in Press. 



The Extinct Mammals, The Existing Mammals, The Evolution of 



Domestic Mammals. 

 Beautifully Illustrated with Original Pictures and Colored Plates. 



No. 3. — The Mushroom Book, by Miron E. Hard. 



Over 700 Varieties Described and Illustrated. Far ahead of any 

 other work on Mushrooms. Covers the entire United States. 

 Ready in Spring of 1908. 



We also publish the Poems of James Ball Naylor, 84 in number. No 

 more beautiful gift book for holidays or birthdays has ever been -.ssued. 



We equip both Public and Private Libraries with all the Standard Authors 

 and Reference Works of all Publishers. Try us on any book you want. 



Send for Catalogue, Price List and Terms. 



THE OHIO LIBRARY COMPANY, 



\2 .30 Savings and Trust Co. BIdg., COLUMBUS, OHIO. 



THE KNY-SCHEERER CO., 



404 West 27th Street, NEW YORK, N. Y. 



DEPARTMENT OF 



Natural Science. 



G. LAGAl, Ph. D. 



Division of Entomology. 



Scientific Apparatus and 



Instruments, 

 Chemicals, 



Anatomical Models. 



Natural History Specimens 



and Preparations, 



Wall Charts, Museum and 



Naturalists' Supplies, 



Lantern Slides, Microscopes 



and Accessories, 



ENTOMOLOGICAL SUPPLIES 

 AND SPECIMENS. 



North American and 



Exotic Insects, 



School Collections, 



Metamorphoses, 



Biological Models, 



Microscopical Preparations, 



Boxes, Cases, Cabinets, 



Forceps. Pins, Nets, 



Dissecting Instruments, 



Glass Tubes and Jars. 



RARE INSECTS BOUGHT AND SOLD. 



NEW CATALOGUE OF ENTOMOLOGICAL SUPPLIES AND CIRCULAR OF INTERESTING 



INSECTS ON APPLICATION 



When writing to advertisers, please mention tlie "Ohio Naturalist." 



