350 



PSYCHE. 



[June 



Psyche, A journal of Entomology. 



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The following books and pamphlets are for sale 

 by the CAMBRIDGE Entomological Chib: 



Burgess, E. Contributions to the anat- 

 omy of the milk-weed butterfly, Danais archip- 

 pus. Boston, 1880. 16 p., 2 plates. . . i.oo 



Hitchcock, Edward. Ichnology of New 

 England. Boston, 1858 .... 1.50 



Scudder, S. H. The earliest winged in- 

 sects of America. Cambridge, 1885, 8 p., i plate .50 



Scudder, S. H. Historical sketch of the 

 generic names proposed for Butterflies. Sa- 

 lem, 1875. I.oo 



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

 tucket, Retinia frustrana. col. pi. Boston. 1883. .25 



Scudder, S. H. The fossil butterflies of 

 Florissant, Col., Washington, 1889 . . i.oo 



Scudder, S. H. Tertiary Tipulidae, with 

 special reference to those of Florissant. 9 

 plates. Philadelphia, 1894. . . . 2.00 



Stettiner entomologische Zeitung. Jahrg. 

 43-44. Stettin, 1882-1883. . . . 2.00 



U. S. Entomological Commission. — Fourth 

 Report, Washington, 1885 .... 2.00 



Address Editors of Psyche, 



Cambridge, Maes. 



THE ELEMENTS OF INSECT ANA TO MY. 



An outline for the use ef students in entomological labora 

 tories. By Comstock and Rei.logg. 



A practical guide for laboratory work in entomology by 

 college classes, including the study of the external and 

 internal anatomy of insects and the comparative anatomy 

 of the mouthparts and wings together with the methods 

 of insect histology. It is used as a text-book in Cornell 

 University, Stanford University, Iowa State Agricultural 

 College, University of Illioois, Washington State Agricul 

 tural College, University of Kansas, Texas State Agricul 

 tural College, and numerous other universities and agricul- 

 tural colleges. 14s pp. bound in brown-gray buckram 

 Price Ji.oo. Address, 



Comstock Publishing Co., Ithaca, N. Y. 



