I06 CALIFORNIA 'ACADEMY OF SCIENCES. 



Tachysphex tarsatus Say. One ? . San Jose del 

 Cabo, October. 



AsTATUS BicoLOR Say. One ? . Same locality as 

 preceding. 



GoRYTES spiLOPTERUS Handl. San Jose del Cabo, 

 October. One specimen. 



GoRYTES sp. San Jose del Cabo, October. One 5 , 

 related to /^^?;;^(r//«5 Hdl. and may be the $ of piinctifrons 

 Cam., from Mexico, a species that is said to be allied to 

 hamatus, and of which only the ? is known. 



Cerceris spp. There are in the collection three species 

 of this genus, none of which I have been able to identify. 

 All are from San Jose del Cabo, October. 



PniLANTHus VENTiLABRis Fab. ( 3 ^frontalis.) A 

 variety of this species, red, with the usual yellow mark- 

 ings, is represented by a single 3 specimen from San 

 Jose del Cabo, October. 



Aphilanthops hispidus n. sp. 



3. — Black; the head, thorax, femora and first seg- 

 ment of abdomen densely clothed with long, whitish hair, 

 as are likewise the ventral segments of abdomen, but not 

 so densely; clypeus tridentate, finely punctured; hind 

 ocelli separated from each other by a slightly less dis- 

 tance than they are from the eye-margin ; first joint of 

 the flagellum nearly as long as the three following, united^ 

 the second joint roundly and deeply emarginate beneath; 

 thorax indistinctly sculptured, evidently ver}'^ finely punc- 

 tured, or granulated, on the meso- and metapleura; ; dor- 

 sal abdominal segments 6 and 7 distinctly punctured; 

 mandibles, except apex, head below the antenna?, scape 

 in front, posterior orbits narrowly, line on pronotum, tu- 

 bercles, tegulcE, apex of four anterior femora, spot on 



