[HEWITT] BIBLIOGRAPHY OF CANADIAN ENTOMOLOGY 163 



14. Cockerell,T. D. A. 



Two bees new to Canada. Can. Ent., Vol. 44, p. 293, 1912. (Describes 



Chelynia ricardonis sp. nov. from B.C.) 



15. Cockerell, T. D. A. 



Canadian Bees in the British Museum. Can. Ent., Vol. 44, pp. 354-358, 

 1912. (Contains, in addition to a number of records, descriptions of the 

 following new species: Megachile vernonensis from B.C.: Osmia novœ- 

 scotiœ from N.S. ; 0. subarclica and 0. tersula both from Hudson's Bay.) 



16. Comstock, J. H. 



The Spider Book. — A Manual for the Study of the Spiders and their near 

 relatives, the Scorpions, Pseudoscorpions, Whipscorpions, Harvestmen 

 and other members of the class Arachnida found in America North of 

 Mexico, with analytical keys for their Classification and popular accounts 

 of their Habits. New York,, xv + 707 pp., 771 figs. 1912. 



17. Cosens, A. 



A Contribution to the Morphology and Biology of Insect Galls. Trans. 

 Canad. Inst., Vol. 9, pp. 297-387, 13 pis. 1912. (An exhaustive and 

 valuable account of the morphology of Insect and Arachnid Galls with 

 observations on the biology of the gall-producers.) 



18. Cosens, A. 



Report on the Insects of the year 1911 in the Toronto District, Ont., 

 Forty-Second Ann. Rept. Ent. Soc. Ont., pp. 15-17, 1912. 



19. Crawford, J. C. 



Notes on some Canadian Bees. Can. Ent., Vol. 44, pp. 359-360. 1912. (From 

 a collection made in Alberta the following new species are described: 

 Phileremulus mallochi and Perdita canadensis.) 



20. Criddle, N. 



Injurious Insects of 1911 at Treesbank, Man. Journ. Econ. Ent. Vol. 5, 

 pp. 248-252, 1912. (Contains original observations on the prevalent 

 insects injurious to cereals and other crops.) 



21. Criddle, N. 



Insect Migration at Aweme, Man. Forty-Second Ann. Rept. Ent. Soc. 

 Ont. pp. 74-76. (Discusses the question of migration of insects not gen- 

 erally supposed to migrate.) 



22. Cunningham, T. 



Address on Quarantine Measures. Proc. B.C. Ent. Soc. N.S., No. 2, 

 pp. 50-67, 1912. (The author discusses fully and quotes the United States 

 Quarantine Act and the quarantme orders of certain States of the Union 

 in support of the adoption of quarantine measures to protect the fruit 

 industry of British Columbia.) 



23. Dawson, H. 



Some notes on Hepialus hyperboreus. Forty-Second Ann. Rept. Ent. 

 Soc. Ont., pp. 81-82, 1912. 



