192 Mr. T. D. A. Cockerell — Descriptions and 



Euglossa cordata (L.). 



Quirigua, Guatemala, 4 ?, one marked "flowers of 

 smaller pea '' ( W. P. Cockerell) . The variety townsoidi, Ckll., 

 is not separable. 



Ptiloglossa mexicana (Cresson). 



Quirigua, Guatemala, 1 ? , at blue flowers of a species of 

 Labiatffi, Feb. 21 ( W. P. Cockerell). P. matutina (Schrottky) 

 is very closely allied. 



Ceratina virescens, Friese. 

 San Jose, Costa Rica, Nov. 1911 (TV. M. Wheeler). 



Ceratina nautlana, Cockerell. 

 Amatltlan, Guatemala, Feb. 1912 (IF. P. Cockerell). 



Ceratina ahdominalis , H. S. Smith. 

 Antigua, Guatemala, 1912 {W. P. Cockerell). 



Ceratina amabilis, Cockerell. 



Quirigua, Guatemala, Feb. 10-20, 6 ? {W. P. Cockerell). 

 Five were from flowers of Ipomcea sidafolia. 



Bombus unifasciatus, Smith. 



Amatitlan, Guatemala City, and Antigua, Guatemala 

 [W. P. Cockerell). 



Apis mellifera, L. 

 Guatemala City, Guatemala (/. Rodriguez). 



Centi'is clypeata, Friese. 

 Antigua, Guatemala {W. P. Cockerell). , 



Centris tarsata, Smith. 



Quirigua, Guatemala, 1 ? , at " flowers of yellow vine " 

 TV. P. Cockerell). 



Exomalopsis similis, Cresson. 

 Quirigua, Guatemala, February [W. P. Cockerell). 



