1024 CHARLES PAUL ALEXANDER 



COCKERELL, T. D. A. Diptera. In Fossil insects and a crustacean from 

 Florissant, Colorado. Amer. Mus. Nat. Hist. Bui. 28:280-288. 1910. 



Remarks on fossil insects. Ent. Soc. Washington. Proc. 15: 



123-126. 1913. 



British fossil insects. U. S. Nat. Mus. Proc. 49:469-499. 1916. 



Fossil insects. Ent. Soc. America. Ann. 10:1-22. 1917a. 



New tertiary insects. U. S. Nat. Mus. Proc. 52:373-384. 

 1917 b. 



Styringomyia fossil in England. Entomologist 50:141. 1917c. 



The oldest mosquitoes. Nature 103:44. 1919. 



COLLINGE, WALTER E. First report on economic biology, p. 1-78. 

 (Reference on p. 12-13.) 1911. 



The value of insectivorous birds. Nature [London] 101 : 407-409. 

 1918. 



COMSTOCK, JOHN HENRY. The wings of insects, p. 1-430. (Reference 

 on p. 36-37, 349.) 1918. 



COMSTOCK, JOHN HENRY, AND COMSTOCK, ANNA BOTSFORD. A manual 

 for the study of insects, 7th ed., p. 1-701. (Reference on p. 431.) 

 1907. 



COMSTOCK, JOHN HENRY, AND KELLOGG, VERNCPN L. The elements of 

 insect anatomy, 5th ed., p. 1-145. (Reference on p. 54-62.) 1904. 



COOK, A. J. Alfalfa. California State Comm. Hort. Monthly bul. 3: 

 53-73. (Reference on p. 68.) 1914. 



CORBOZ, F. [French title.] Injurious insects. Agricole Canton Vaud. 

 Chron. 18:265-269, 290-293. (Reviewed in Exp. sta. rec. 17:677. 1906.) 

 1905. 



COWPER, B. H. Habits of the larvae of Tipula oleracea. Ent. mo. 

 mag. 15:111-112. 1878. 



CRAMPTON, G. C. A phylogenetic study of the larval and adult head in 

 Neuroptera, Mecoptera, Diptera, and Trichoptera. Ent. Soc. America. 

 Ann. 10:337-344. 1917. 



Remarks on the origin and significance of metamorphosis among 

 insects. Brooklyn Ent, Soc. Bul. 14:93-101. (Reference on p. 100, 

 footnote.) 1919. 



CURTIS, JOHN (" Ruricola")- Tipula maculosa (the spotted garden gnat). 

 Gard. chron. and agr. gaz. 1846:317. 1846a. 



