1920] 



Lutz and Cockerelt, Notes on American Beet 



631 



19066. Canadian Entomologist, XXXVIII. 



1906c. Ann. Mag. Nat. Hist., (7) XVII. 



1906d. Bull. American Mus. Nat. Hist., XXil. 



1906c. Bull. Mus. Comparative Zoology, L. 



1907. Entomological News, XVIII. 

 1907a. Canadian Entomologist, XXXIX. 

 19076. University of Colorado Studies, IV. 

 1907c. Entomologist, XL. 



1907d. Ann. Mag. Nat. Hist., (7) XIX. 



1907e. Ann. Mag. Nat. Hist., (7) XX. 



1908. Ann. Mag. Nat. Hist., (8) II. 

 1908a. Canadian Entomologist, XL. 

 19086. Ann. Mag. Nat. Hist., (8) I. 

 1908c. Psyche, XV. 



1908d. American Naturalist, XLII. 



1909. Ann. Mag. Nat. Hist., (8) IV. 

 1909a. Proc. U. S. Nat. Mus., XXXVI. 

 19096. Entomological News, XX. 

 1909c. Canadian Entomologist, XLI. 

 1909d. En'omologist, XLII. 



1909c. Trans. Kansas Acad. Sci., XXII. 



1910. Ann. Mag. Nat. Hist., (8) V. 

 1910a. Canadian Entomologist, XLII. 

 19106. Ann. Mag. Nat. Hist., (8) VI. 

 1910^/. Univ. ofColorado Studies, VII. 



1911. Canadian Entomo'.ogis% XLIII. 

 1911a. Trans. American Ent. Soc, XXXVII. 

 19116. Ann. Mag. Nat. Hist., (8) VIII. 



1912. Psyche, XIX. 



1912a. Ann. Mag. Nat. Hist., (8) IX. 



19126. .\nn. Mag. Nat. Hist., (8) X. 



1912c. Entomological News, XXIII. 



1912d. Proc. U. S. Nat. Mus., XLIII. 



1912c. Canadian Entomologist, XLIV. 



1912/. University of Colorado Studies, IX. 



1913. Psyche, XX. 



1913a. Ann. Mag. Nat. Hist., (8) XI. 



19136. Ann. Mag. Nat. Hist., (8) XII. 



1914. Entomologist, XLVII. 

 1914a. Ann. Mag. Nat. Hist., (8) XIII. 

 19146. Canadian Entomologist, XLVI. 

 1914c. Journ. New York Ent. Soc, XXII. 

 1914d. Ann. Mag. Nat. Hist., (8) XIV. 

 1914c. Proc. Ent. Soc. Washington, XVI. 



1915. Ann. Mag. Nat. Hist., (8) XV. 

 1915a. Entomological News, XXVI. 

 19156. Ann. Mag. Nat. Hist., (8) XVI. 



1915c. Journ. Ent. and Zool. (Claremont, California), VII. 



