Records of Bees. 29 



that tlie occipital region is more developed in nanula than 

 in ar.antha ; and as this condition is even rather exaggerated 

 in Mr. Grinnell's specimen, I place it with nanula. 



Ceratina tejonensis, Cresson. 



This species, based on a single male from Fort Tejon, 

 California, seems to be extremely rare. What I take to be 

 its female was obtained by Mr. Grinnell at 3000 ft. in the 

 San Gabriel Mts., California, June 16. It has dark tubercles 

 like acanlha, but it is much larger (8 mm. or a little over) ; 

 the wings are strongly dusky, and the clypeus has a cunei- 

 form ivory-cnloured mark. The whole insect is very much 

 darker and bluer than C. neomexicana, Ckll. The pleura is 

 very strongly and coarsely punctured. 



Megachile chrysopyga, Smith, 1853. 



A cotype from F. Smith's collection, with the locality-label 

 " Australia," is identical witli my M. macular if or mis. The 

 description of chrysopygn disagrees with the specimens in 

 respect to the ventral scopa and apparently the abdominal 

 bands ; it is just possible that typical chrysopyga (from 

 Tasmania) is separable.. 



Prosopis polifolii, Ckll., 1901. 



Mr. Grinnell has taken this in some numbers at Pasadena, 

 California, April 8, 1909. The males vary, some having 

 a black line on each side of the clypeus, between it and the 

 lateral marks. The female, not previously known, is very 

 much like P. tuertonis, Ckll., but lias the face rather broader. 

 Sometimes the tegulas have no light spot, and the lateral 

 face-marks are extremely narrow. 



Prosopis hesperiphila, sp. n. 



g . — Similar to P. polifolii, but differing thus : supra- 

 clypeal mark represented by a hardly visible transverse line 

 (probably not constant) ; clypeus broader ; lateral mark3 

 truncate above and strongly notched by antennal sockets. 

 Wings dusky ; marginal cell very narrowly obliquely truncate 

 at apex ; second s.m. broader ; tegula? with a light mark. 

 The mesothorax is extremely densely and minutely punctured, 

 and the face-markings are of the pale-t possible shade of 

 yellowi.-h. 



