1920] Luiz and CockereU, Notes on American Bees 629 



BIBUOGRAPHY' 



ASHMEAD, Wm. H. 



1899. Trans. American Ent . Soc, XXVI. 



1900. Trans. Ent. Soc. London. 

 1902. Entomological News, XIII. 

 1902a. Proc. Washington Acad. Sci., IV. 



AtTRlVILLIUS, ChR. 



1890. Bihang K. Svenska Vet.-Akad. Handlinger, XV part IV |No. l). 

 Banks, Nathan 



1902. Journ. New York Ent. Soc, X. 

 1912. Entomological News, XXIII. 



Bequaert, J. 



1918. Journ.NewYorkEnt. Soc, XXVI. 

 1920. Psyche, XXVII. 



BiRKMAN, G. 



1899. Entomological News, X. 

 Blanchard, E, 



1840. Cuvier: Regne anim. 3rd Edition. Insect. II. 



1840a. Hist. nat. Insect., III. 

 Bowles, G. J. 



1880. Ann. Kept. Ent. Soc. Ontario for 1879. 

 Bradley, J. C. 



1919. Trans. Ent. Soc. London, 1919. 

 Bray, Henry 



1917. Journ. Ent. and Zool. (Pomona College, California), IX. 

 Brixton, W. E., and Viereck, H. L. 



1906. Fifth Rept. State Entomologist of Connecticut. 

 Burmeister, H. 



1876. Ent. Zeitung, Stettin, XXXVII. 

 BuYSSON, Robert dxj 



1901. Ann. Soc. Ent. France, LXX. 

 Cameron, P. 



1903. Trans. American Ent. Soc, XXIX. 

 Cockerell, T. D. a. 



1893. Trans. American Ent. Soc, XX. 



1894. Entomological News, V. 



1896. Canadian Entomologist, XXVIII. 

 1896a. Ann. Mag. Nat. Hist., (6) XVIII. 

 18966. Entomologist, XXIX. 



1897. Ann. Mag. Nat. Hist., (6) XIX. 



1897a. Proc Acad. Nat. Sci., Philadelphia, XLIX. 

 18976. Trans. American Ent. Soc, XXIV. 



1897c. New Mexico College Agric. Mech. Arts, Agric. Exp. Station Bull. 

 No. 24. 



'The reference letters in this list, e.g. 1897a and 18976, have no chronolocical ncnificance ; 6 may 

 have been published before a. 



