156 NOTES ON ANTHOPHORA ABRUPTA 



1S96. Flowers and Insects — Contributions to an Account of the Ecological 



Relations of the Entomophilous Flora and the Anthophilous Insect Fauna 



of the Neighborhood of C'arlinville, Illinois. Acad. Sci. St. Louis, vii, p. 



161). 



191S. Protcrandry and Fliu;lit of Hccs. (Hyni. ). Etit. Nc.irs, xxix, pp. iUO- 



342. 

 Say, T. 1S37. Descriptions of New Sj)ecies of North American llynien- 



optera, and Observations on Some Already Described. Boston Journ. \at. 



Hist., I, pp. 409-411. 

 Sladen, F. W. L. 1919. Notes on the Canadian Representatives of British 



Species of Bees. Can. Ent., li, pp. 125-126. 

 Walsh, B. D'. 1868. Mason Bees and their Habits. Anicr. Ent., i, i)p. 



8-11. 

 Wellman, C. 1911. A New American Sitarine Beetle (Col., Lyttid.). 



Ent. News, xxii, pp. 15-17. 



Explanation of Plate V 



Fig. 1. — Colony of Anlhophora ahrupta Say, at Oakwood, Illmois. 

 Fig. 2. — Close-up view of a portion of same bank occupied by ANthopliora 

 iibru])ln. 



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