98 



PSYCHE. 



[August 1897. 



Psyche, A Journal of Entomology. 



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CAMBRIDGE ENTOMOLOGICAL CLUB. 



The regular meetings of the Club are now held at 

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The following books and pamphlets are for sale 

 by the Cambridge Entomological Club : 

 Burgess, E. Contributions to the anat- 

 omy of the milk-weed butterfly, Danais archip- 

 pus. Boston, 18S0, 16 p., 2 plates. 



Hitchcock, Edward. Ichnology of New 

 England. Boston, 1858 .... 1.50 



Scudder, S. H. The earliest winged in- 

 sects of America. Cambridge, 18S5, 8 p., I plate .50 



Scudder, S. H. Historical sketch of the 

 generic names proposed for Butterflies. Sa- 

 lem, 1875. 



Scudder, S. H. The pine-moth of Nan- 

 tucket, Retinia frustrana. col. pi. Boston. 1883. 



Scudder, S. H. The fossil butterflies of 

 Florissant, Col., Washington, 1889 



Scudder, S. H. Tertiary Tipulidae, with 

 special reference to those of Florissant. 9 

 plates. Philadelphia, 1894. 



Stettiner entomologisciie Zeitung. Jahrg. 

 43-44. Stettin, 1882-1883. 



U. S. Entomological Commission, — Fourth 



Report, Washington, 1885 .... 



Samuel Henshaw, Treas., 



Cambridge, Mass 



EXCHANGE. 



I wish to obtain any literature on insects, espe- 

 cially Coleoptera, not already in my possession. 

 In exchange for such works in any language I offer 

 good material from the west and the far north, 

 mostly Coleoptera. 



H. F. Wickham, 



Iowa City, Iowa. 



MANUAL OF N. A. DIPTERA. 



Manual of the Families and Genera of North 

 American Diptera, by S. W. Williston. Paper, 

 S2.00; Cloth. S2.25. 



J. T. Hathaway, 



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