422 



PSYCHE. 



[December, 1902 



Psyche, A lonrnal of Entomology. | Cambridge entomological club. 



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I'he following books and pamphlets are for sale 

 by the CAMBRIDGE Entomological Chjb: 



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 

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 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.U0 



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, Mass 



THE ELEMENTS OF INSECT ANA TOMY. 



An outline for the use of students in entomological labora 

 lories. Bv Comstock and Kei.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 witli the methods 

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

 University, Stanford University, Iowa State Agricultural 

 College, University of Illinois, Washington State Agricul- 

 tural College, University of Kansas, Texas State Agricul- 

 tural College, and numerous otiier universities and agricul- 

 tural colleges. 145 pp. bound in brown-gray buckram 

 Price $1.00. Address, 



Comstock Publishing Co., Ithaca, N. Y. 



