J. C. CRAWFORD, JR. 159 



Three specimens, Guacimo, June 19th to 21st. 



Differs from tlie description ol" jiersonata Sra. in the concave cly- 

 peus and different face markings; bveviceps Friese has similar pu- 

 bescence and concave 4gibhous clypeus, but has different face mark- 

 ings and 4 toothed mandibles. 



The specimens were secured on the veranda of a house where 

 they were making nests between the boards of the roofing. Other 

 bees similarly taken were C. labrosa, simplex, and at Guapiles 

 Euglossa cordnta and Eulema mexicana connexa. 



Centris pruxima Friese. 



Common at Guapiles, in March. All the specimens taken are 

 somewhat smaller than the size given by Friese, the % being only 

 about 15 mm, long; the tooth on the hind tibise of the % has one 

 side straight and the othei- curved; in the 9 the pubescence of the 

 legs is somewhat lighter than as given by the description ; other- 

 wise as described. Three S , 12 $ . 



Ceiitri»« labrosa Friese. 



One 9 fi'om Pozo Azul, in June (Carriker). 



C'eulri!« labrosa var. simplex Friese. 



The specimens taken are even smaller than the length given, 

 being only 11 mm. in the 9) and have the wings clear. Four 9> 

 Guacimo, June. 



I'entris laiiipes Fabr. 



A single female from San Jose, in June. 



C'entris pcecila var. segregatus n. var. 9.--Labrum, mandibles, 

 malar space, triangular lateral face marks, small supraclypeal mark, scape in 

 front, anterior and intermediate knees and narrow lines on anterior tibige exter- 

 nally, all yellowish ; pubescence ou vertex black, on basal half of fourth and 

 segmeutz 5-6 fulvous; otherwise as desciibed for paecila. Length 15 mm. 



Four 9 , San Jose, May 15th and 25th, June 1st. 



ANTHOPHORID.E. 

 MacrogloNsapis rnbricata Sm. 



The specimens appear to differ slightly from the typical form. 

 Pubescence of mesothorax above black, with fulvous at the tegulse, 

 and a line of the same at the rear of the mesonotura ; black on disc 

 of postscutellum, fulvous on metathorax and pleura, white on 



TKANS. AM. ENT. SOC. XXXII. .JUNE, 1906. 



