AM) I'KKSKUVATIOISr 



237 



ions student in his studies, and sneh when perfected 

 will be valuable. 



Dealers in entomological supplies, from which such 

 as forceps, pins, sheet cork, etc., can be obtained : 



The Bausch & Lomb Optical Company, 513-543 N. St. Paul 

 street, Rochester, N. Y. 



John Akhurst, 78 Ashland Place, Brooklyn, N. Y. 



M. Abbott Frazar, 93 Sudbury street, Boston, Mass. 



Entomological Society of Ontario, Victoria Hall, London, 

 Ontario. 



(Jueen & Co., 1010 Chestnut street, Philadelphia, Pa. 



Charles C. Riedy, 532 Montgomery street, San Francisco, 

 Calif. 



Dealers in optical instruments, from whom lenses, 

 microscopes, etc., can be obtained: 



The Bausch & Lomb Optical Company, New York and Roch- 

 ester, N. Y. 



Eimer & Amend, 205-211 Third avenue, New York city. 



(jueen & Co., 1010 Chestnut street, Philadelphia, Pa. 



The Franklin Educational Company, Harcourt street, Bos- 

 ton, Mass. 



William Krafft, 411 W. Fifty-ninth street, New York city. 



Spencer Lens Company, 546 Main street, Buffalo, N. Y. 



REFERENCE BOOK. 



Directions for Collecting and Preserving Insects, C. V. Riley. 

 Smithsonian Institution, Washington, D. C., 1892. Price, 25 

 cents. 



