! r i" 



THE OWO LIBRARY COMPANY 



PUBLISH A FINE LIST OF NATURE BOOKS OF GREAT 

 VALUE TO ALL NATURE LOVERS, 



No. I.— The Birds of Ohio. 



One and two Volumes, illustrated with hundreds of Plates. 

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



No. 2,r— The Mammals of Ohio, iu Press. 



The Extinct Maniroals, The Existing Mammals, The Evolution of 



Domestic Mammals. ' . ■ 



Beautifully! illustrated jvith Original Pictures and Colored Plates. 



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



Over 706 Varieties Described and Illustra^ted. Far ahead of any 

 other work, on Mushrooms. Covers the entire United States. 

 Ready in. Spring of 1908. 



We also -puhlish. the Pocff/so^/aines L'a/l Naj'/or, ^4 in number. No 

 more beautiful gift book forholidays or birthdays has ever beed -.ssued. 



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

 and Reference Work? pf all Publishers. Try Us on any book you want. 



Send for Catalogue, Price List and Terms. " 



THE OHIO LIBRARY COMPANY. 



210-213 Schultz Building, COLUMBUS, OHIO. 



THE KNY-SCHEERER CO., 



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



DEPARTMENT OF 



Natural Science. 



G. LACAi, Ph. D. 



Division of Entomology. 



Scientific Apparatus and 



Instruments, 

 Chemicals, 



Anatomical Mpdsis, 

 Natural History Specimens 



and Preparations, 

 Wall Charts, Museym and 



Naturiillsts' Supplies, 

 Lantern Slides, Microscopes 

 and Accessories, 



ENTOMOLOblCAL SUPPLIES 

 AND SPECIMENS. 



North American and 



Exotic Insects, 



School Collections, 



Metamorphoses, 

 Biological Models, 



Microscopical Preparations, 

 Boxes,' Cases, Cabinets, 



Forceps, Pins, Nets, 

 Dissectlng-Instruments, 



Glass Tubes and Jars. 



RARE INSECTS BOUGHT AND. SOLD. 



NEW CATALOGUE OF ENTOMOLOGICAL SUPPLIES AND CtRCULAB, OF INTEREITINQ 



INSECTS ON APPLICATION ' -.; ■' 



When writing to advertieerg, pleaae msntion the " Ohio Naturalist." 



