578 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.48. 



MEGACHILE DAVEDSONI Cockerell. 



The United States National Museum has four females and two 

 males of this from Los Angeles County, California, June, collection 

 Coquillett, and a male and female from Roosevelt, California, July 

 1, 1913, J. E. Graf, collector. The male has the sculpture of the 

 female, but lacks the remarkable projection on the clypeus as well 

 as the basal tooth of the mandibles. In the male the clypeus has at 

 apex a short median carina and the lateral angles are produced; the 

 mandibles on the lower margin slightly beyond the middle have a 

 large tooth which on its distad margin is furnished with a golden 

 fringe; the anterior coxae have a long spine; joints one and two of 

 the anterior tarsi are dilated, joint 3 distinctly longer than first or 

 second, the fourth slightly shorter and the fifth slightly longer than 

 third ; last dorsal segment strongly notched at apex, and with a tooth 

 on each side at base. 



OSMIA GEORGICA Cresson. 



Osmia louisiana Cockerell. 



A specimen of this species collected at Plummer's Island, Maryland, 

 May 15, 1914, on PJiacelia dubia (Crawford, collector) has been com- 

 pared with the type by Mr. Rohwer and it is identical with Professor 

 Cockerell's type. 



PROTOXAEA GLORIOSA (Fox). 



Five females from Sabinal, Texas, all collected by Mr. F. C. Pratt; 

 two were taken June 10, 1910, one of them "on Salvia; 11 three June 

 13, 1910, one "on Salvia 11 two "on Salvia fitcheri; 11 one male from 

 Barstow, Texas, A. W. Morrill, collector, marked "Aug. 11-12, 1905." 



These specimens did not correspond in all particulars with the origi- 

 nal description and Mr. J. R. Malloch was kind enough to examine the 

 types and found that the furrow from the anterior ocellus extends 

 only to lower margin of antennal sockets; that the furrow on the 

 labrum is not always distinct, that the punctures of the clypeus 

 medially are finer and sparser than elsewhere and do not make trans- 

 verse rugae, and that the depressed apical margins of the abdominal 

 segments are greenish. 



This agrees perfectly with the specimens before me. In them the 

 labrum is best described as being medially longitudinally rugose and 

 the clypeus as having a median, longitudinal, shiny, sparsely punc- 

 tured line. 



PROTOXAEA TEXANA (Friese). 



Victoria, Texas, "9.8.11" in cotton field, J. D. Mitchell, one male. 



CALLIOPSIS ABDOMINALIS Cresson. 



Seventy-four specimens from Cotulla, Rosser, College Station, 

 Calvert, Hallettsville, Clarendon, Wolf City, and Dallas, Texas, indi- 

 cate that the normal form has the scutellum and metanotum together 



