66 HENRY SKINNER, EDITOR. 



Prosopis <il I- in ill-oil's Ckll. 



One S , June 29, 1902 (Viereck), with face marks lemon yellow, 

 in an authentic specimen from Vancouver the markings are a shade 

 darker. 



Prosopis wootoni Ckll. 



One 9 > Aug. 7, 1902, at flowers Solidago canadensis, var. (Ckll.) 

 runs to wootoni in the table of females, the wings of this specimen 

 are tinged with brownish. 



sphegoidea. 

 crabronim:. 



Xestoerabro sexmaculatus Say. 



One S on flowers of Heracleum lanatum, July 24 (T. D. A. 

 Cockerell). 



Blephariptis ater Fox. 



One $ , 5.5 mm. in length, the smallest specimen on record. 



PEMPHREDONID.E. 

 Passalecus mandibular!* Cress. 

 Two $ 9. 



Mimesa alticola n. sp. — Head above and dorsulum sparsely punctured, 

 enclosed space on metatkorax large, broad, truncate. Abdomen slender. 



9 Lengtb 7 mm. — Clypeus somewhat produced, slightly emarginate, practi- 

 cally impunctate as is space beneath antenna?, shining, median raised line not 

 extending to middle of space between anterior ocellus and insertion of antennae, 

 a short lateral raised line extending from each side of base of median line to 

 base of antennae, the triangular elevation distinct, before the anterior ocellus the 

 sculpture is almost striato-punctate, to the side the punctuation becomes stronger 

 and sparser, especially so in space between ocelli and eye margins, head poste- 

 riorly punctured and minutely transversely striate, cheeks obliquely striate, 

 space between posterior ocelli less than that between them and nearest eye 

 margin, space beneath antennae and clypeus covered with gold tinted, ap- 

 pressed pubescence, though not thickly, the rest of the head with short sparse 

 hairs, antennae with the first joint of flagellum distinctly longer than the second. 

 Dorsulum sparsely punctured, with a few longitudinal median striae. Mesopleu- 

 rse finely sculptured, with sparse silvery pubescence, scutellum sparsely punc- 

 tured, enclosed space on metathorax triangular, apex truncated, irregularly 

 radiately ridged, shining, the rest of the metathorax roughly reticulated. 

 Wings brownish, nervures and stigma fuscous, second submarginal cell narrowed 

 at least one-half on the radial nervure, receiving both recurrent nervures, the 



