320 ENTOMOLOGICAL NEWS. [December, 



ECnto mo logical Literature. 



COMPILED BY P. P. CALVERT. 



Under the above head it is intended to mention papers received at the Academy of 

 Natural Sciences of Philadelphia pertaining to the Entomology of the Americas (North 

 and South). Articles irrelevant to American entomology will not be noted. Contribu- 

 tions to the anatomy, physiology and embryology of insects, however, relating to Ameri- 

 can or exotic species, will be recorded. The numbers in HEAVY-FACED TYPE refer to the 

 journals, as numbered in the following list, in which the papers are published ; * denotes 

 that the paper in question contains descriptions of new North American forms. Titles of all 

 articles in foreign languages are translated into English; usually such articles are written 

 in the same language as the title of thejournal containing them, but when such articles are in 

 other languages than English, French, German or Italian, this fact is indicated in brackets. 



4. The Canadian Entomologist, London, Ont., Nov., '01. 5. Psyche, 

 Cambridge, Mass., Nov., '01. 9. The Entomologist, London, Nov., '01. 

 11. The Annals and Magazine of Natural History, London, Oct., '01. 

 12. Comptes Rendus. L' Academic des Sciences, Paris, '01. 15. Bio- 

 logia Centrali-Americana, pt. clxvi, Sept., London, '01., rec'd. Nov. 4. 

 21. The Entomologist's Record, London, Oct. 15, '01. 22. Zoolo- 

 gischer Anzeiger, Leipsic, '01. 31b. Bericht der Senckenbergischen 

 Naturforschenden Gesellschaft, 'or, Frankfurt a. M. 35. Annales, 

 Socie'te' Entomologique de Belgique, xlv, 10, Brussels, Oct. 30, '01. 45. 

 Deutsche Entomologische Zeitschrift, '01, Erstes Lepidopterologisches 

 Heft, Berlin and Dresden, Oct. 5, '01. 55. Le Naturaliste, Paris, '01. 

 58. Revista Chilena de Historia Natural, Valparaiso, '01. 68. 

 Science, New York, '01. 81. Biologisches Centralblatt, Erlangen, '01. 

 14O. Proceedings, Washington [D. C.], Academy of Sciences, iii, 

 Nov. 7, '01. 



THE GENERAL SUBJECT. Bakhmetieff, M. P. On the 

 minimum vital temperature in animals whose blood-temperature is varia- 

 ble : i. Insects, Archives des Sciences Biologiques publiees par 1'Institut 

 Imperial de Medecine Experimentale, viii, 3, St. Petersburg, '01. Cock- 

 erell, T. D. A. (General) and Viereck, H. L. Hymenoptera). Some 

 Insects of the Hudsonian zone in New Mexico, v, 5. Coupin, H. The 

 industries of insects, 55, Oct. 15. Delfiii, F. T. The Rio Palena, 

 notes on its natural history [in Spanish], 58, Aug., Sept. Fischer, E. 

 Experimental researches on the origin and existence of butterfly varieties 

 and aberrations, 31b. Giard, A. Critical remarks concerning the de- 

 termination of sex in the Lepidoptera, 12, Aug. 26. Kelloggr, V. L. 

 The homologies of the mouth parts of insects with complete metamor- 

 phosis (abstract), 68, Oct. 25. v. Linden. The wing-markings of 

 insects, figs., 81, Oct. 15. Lucas, R. (General) and Seidlitz, G. 

 (Coleoptera) Report on the scientific results in the field of Entomology 

 during the year 1899, Archiv fiir Naturgeschichte, Ixvi, ii, 2, ite Hiilfte, 

 Berlin, Aug. '01. Mayer, P. [Notices of the literature on Arthropods, 



