382 Mr. T. D. A. CockevcW-- Descriptiorifi and 



Andrena carlini, Cockerell. 

 Garrison, New York [Eleth Cutlell). 



Andrena crat<egi, Robertson. 

 Garrison, New York [Eleth Cat tell). 



Andrena rugosa, Robertson. 

 Garrison, New York {Eleth Cattell). 



Andrena flavoclypeata, Smith. 

 Garrison, New Y'^ork [Eleth Cattell). 



Andrena forbesii, Robertson. 

 Garrison, New York [Eleth Cattell). 



Andrena thaspii, Graeniclier, var. a. 



Foley's yard, Bloomington, Indiana, at cherry blossoms 

 {Max M. Ellis). 



Differs from typical A. thaspii by having the facial foveae 

 strongly reddish and the mesothorax entirely dnll. This 

 may perhaps be identical with A. mandibularis, Rob., which 

 I know only from descriptions, but Robertson does not state 

 whether the foveae of that species are reddish. Viercck, in 

 Entom. News, 1907, p. 287, makes thaspii a synonym of 

 mandibularis, but in the separate copy he sent me he has 

 erased mandibularis, leaving thaspii as valid. 



Colletes inaqualis, Say. 



Bloomington, Indiana ; six females at flowers of wild 

 crab-ap])lc trees on Campus of University of Indiana [Max 

 M. Ellis) . On the same flowers, in the same locality, Dr. Ellis 

 collected males of Xylocopa viryinica, Drury. 



Prosopis chromatica (Cockerell). 



I described this from the female as a variety of P. albo- 

 nitens, Ckll. Tlie male (Mackay, Nov. 1891, Turner, 7l'o 

 in part) shows that it is a distinct species, for it has wholly 

 dark mandibles and the broader face is ivory-white, con- 

 trasting with the pale yellow tubercles, while the lateral 



