PSYCHE ADVERTISER. 



No. 1.— 40 on a Bheet. 



INSECT LABELS 



of these sizes, printed in red, at 

 two cents a sheet. 



Send stamp for sample. 



No. 2.— 50 on a sheet. 



Geo. Dimmock. Cambridge, Mass. 



LECTURER and INSTRUCTOR IN 



AND BOTANY. 



Editor of PSYCHE. 



Organ of the 



Cambridge 



Entomological Club. 



Secretary of the 



Entomological Section 



of the Boston Society 



of Natural History. 



ENTOMOLOGY 



Secretary of the 



Cambridge 



Entomological 



Club. 



Professional advice furnished, concerning noxious insects. 



Office Hours: TUESDAY afternoon, from three to five o'clock. 



COLEOPTERA FOR EXCHANGE. 



Gieindela priritana. CyUodes biplagiatus, or other Coleoptera will be 

 exchanged for Nos. 1, 3, 6, 7. 10a, 11, 1G. 17, 19, 20, 23. 27. 28a. 29, 

 31, 35, 36a, 3Gb. 37. 37a. 40. 43. 4G. 47. 55, 55b. and 58 to 66, of 

 Crotch's List. Geo. Dimmock, Cambridge, Mass. 



BOOKS FOR SALE. 



Pacific Railroad Explorations and Surveys; 13 vols, in original 

 binding, with the solution of the problem : How to refer definitely 

 and simply to the separate parts of the work. . . $35.00 



Boston Journal of Natural History. Vol. II. (Formerly the 

 property of Dr. A. A. Gould) .... bound 7.00 



Bost. Journ. Nat. Hist. Vol. VI. (Formerly Dr. G.'s; contain- 

 ng manuscript notes by him) .... bound 7.00 



Bost, Journ. Nat. Hist. Vol. V, No. 1. (p. 1-136; pi. 1-13) 1.75 



Bost. Journ. Nat. Hist. Vol. V, No. 4. (p. 417-505; pi. I-IV, 



xniii, xxrv, xxx, xxxi) ... . 2.00 



Proceedings of the Boston Society' of Natural History, Vol. I. 

 (Formerly Dr. Gould's; with his autograph) . bound 2.75 



Enumeration of Hawaiian Plants, by Horace Mann, Jr. .50 



Catalogue of the Phnenogamous Plants of the United States, 

 east of the Mississippi, and of the Vascular Cryptogamous Plants 

 of North America, north of Mexico. [Four for one dollar] .35 



Apply to B. Pickman Mann, Cambridge, Mass. 



