PS YCIIE A T) VER TLSER. 



ENTOMOLOGISTS' DIRECTORY. 



This list will appear regularly in Psyche Advertiser. Every student 

 or collector of insects is asked to send his address and a statement of the 

 department to which his especial attention is given, to the undersigned, 

 for insertion in this list. No name will he published except with permission 

 or by request of the person named. The names will be inserted in the 

 order in which they are received. 



As it is desirable to have at one place a store of information in regard 

 to entomologists, the undersigned would be pleased to receive autobio- 

 graphical notes from them, and complete lists of their writings, upon ento- 

 mology. Notice of all changes of address are requested. 



From the information thus obtained, which will be kept by the Cambridge 

 Entomological Club, the undersigned will answer, as far as possible, all 

 letters of inquiry, which enclose a stamp for return postage. 



Geo. Dimmock, Cambridge, Mass. 



. 40. Lenz, H.. Conservator of Luebeck Museum, Luebeck, Germany. 

 Entomology of the world. 



41. Behrens, James. P. O. Box 1173, Sanfrancisco, Cal. General En- 



tomology. 



42. Cooper, Geo. P., P. O. Box 860, Topeka, Kansas. Coleoptera. 



43. Fewkes, A. H., Ipswich. Mass. Hymenoptera. 



44. Schwinn. J. WV, Jr. 521 Washington St., Buffalo, N. Y. Coleoptera. 

 -I.".. Kessel, F. A.. 102 Watson St.. Buffalo. N. Y. Coleoptera. 



46. Zesch, Frank, 275 Oak St., Buffalo, N. Y. Lepidoptera, Coleoptera. 



47. Reinecke, Ottomar, 500 Main St., Buffalo. N. Y. Coleoptera. 



48. Fischer, I. Ph.. 597 Michigan St.. Buffalo, N. Y. Lepidoptera. 

 40. Gissler, Carl F.. 241 North 6th St., Brooklyn, N. Y. Tenebrionidm . 



50. Belanger, F. X 1 .. Laval University. Quebec, Canada. General En- 



tomology. 



51. Van Wagenen, G. II.. Bye. Westchester Co.. N. Y. Lepidoptera. 



52. Cook. A. .1.. State Agricultural College, Lansing. Mich. General 



Collector, Economic Entomology. 



53. Russell. Fred. W.. M. D., P. O. Box 200. Winchendon, Worcester 



Co., Mass. Lepidoptera of Massachusetts. 



54. Edwards. W. IL, Coalburgh, Kanawha Co.. W. Va. North Ame- 



rican Diurnal Lepidoptera. 



PAPERS FOR SALE. 



Crotch's Check List of the Coleoptera of North America. 126 pp. 1.00 

 Catalogue of the Coleoptera of Mt. Washington. N.H., with de- 

 scriptions of New Species. [See Bibl. Bee. No. 175.] . .20 

 On the Species of < 'oleoptera described by J. W. Randall, in 1838. 

 By P. S. Spfague, with Notes by E. P. Austin. 13 pp. Svo. .20 

 Apply to E. P. Austin, Cambridge, Mass. 



