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Psyche Is issued once a month, by the Cambridge Entomological Club. 

 No. 1 was issued May 1874; it is expected that Vol. I will be completed 

 with No. 32, Dec. 1876. The subscription price in North America, payable 

 in advance to the editor, is as follows : For any twelve mtmtbs, one dollar ; 

 for the thirty-two months, until further notice, two dollars and sixty cents. 

 Foreign subscriptions, which may be sent in available postage-stamps, are 

 reckoned at the rate of rive shillings or marks or six francs to the dollar. 

 Acknowledgements of money received will be sent with the Nos. paid for. 



Notes on the history, habits and occurrence of insects and other Arthro- 

 pods are solicited from all observers. 



Advertisements will be inserted, till further notice, at the rate of fifteen 

 cents per hundred letters of running matter, for the first insertion. Lists 

 of species in columns, three cents a species. Advertisements continued 

 for two or more months will be charged half price for each subsequent 

 insertion, but no advertisement will be taken for less than thirty cents 

 for the first insertion. 



Address communications : Editor of Psyciik, < ambridge, Mass., U. S. A • 



RECENT WORKS BY MR. S. H. SCUDDER. 



The Geographical Distribution of Insects in New Hampshire: 50 pp. 



with a plate and two colored maps. rof. 8vo . . . $1.00 



Historical Sketch of Generic names used in Butterflies. Svo 203 pp. 1.00 

 The Species of the Lepidopterous genus Pamphila. -ito pamphlet. 



with two plates, one in chromolithography . . . 1.00 



L'ceuf et la chenille d'Oeneis Aello. 8vo pamphlet, with a plate M0 



Catalogue of the Butterflies of America, north of Mexico. Part I. 



•Nymphales. 37 pp. Svo. in Bulletin Buffalo Society, Vol. 11, 



Part 4. ( Not sold separate from the Part. ) . . 1.60 



For sale by the 



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