46 Journal of Entomology and Zoology 



Necrophorus nigrittus Mann. . . Claremont, Cal. Black. Three segments 



of abdomen extending beyond the square-cut wing-covers. Antennae have red 

 plumes on the ends. Legs covered with fine hairs. Prothorax grooved. Eyes 

 large. 21 mm x 9Y 2 mm. 



STAPHYLINID^ 



Cafius canescens Makl. Bemb. Baker. Laguna, Cal. Grey-black. Almost no wings; 



body slender. 7 mm x 2 mm. 

 Cafius seminitens Horn. Fall. . Laguna, Cal. Black; wings dull; thorax, head 



and abdomen shining. Thorax slightly ridged. 9]A mm x 3 mm. 

 Cafius luteipennis Horn. Bernh. Baker. Laguna Beach, Cal. Abdomen reddish 



brown; head and thorax brown; short wing covers tan. Rather prominent scutel- 



lum. S^mmxl^mm. 

 Cafius lithocharinus Lee. Bernh. Baker. Laguna Beach, Cal. Body dark brown 



with tip of abdomen reddish and the ends of the wing covers a lighter brown. 



Head broader than thorax. 6^ mm x 2 mm. 

 Cafius sulcicollis Lee. Bernh. Baker. Laguna Beach, Cal. Dark brown with tip of 



abdomen a lighter shade. 4^2 mm xl*/^ mm. 

 Boletobius cincticollis Say. . Baker. Claremont, Cal. Reddish brown, tan wing 



covers with brown spot on the end. Small head. 2J/2 mm x l}/? mm. 

 Boletobius californicus . Bik. Baker. Mountains near Claremont, Cal. Abdo- 

 men brown, head and thorax tan; tan wing covers with brown spot on end. 



Thorax and abdomen tapering to a point at caudal end. 4 mm x 2 mm. 

 Anthobium airiventre Cas. . Baker. Mountains near Claremont, Cal. Tan in 



color. Wing covers covering almost all of the abdomen. 2 mm x 1 mm. 

 Pelecomaliutn floribundum Lee. . Baker. Mountains near Claremont, Cal. 



Head, thorax and legs red ; abdomen brown, and wing covers tan. l]A mm x IV2 mm. 

 Protinus sulcatus Fauv. Fall. Baker. Mountains near Claremont, Cal. Dark brown 



with red legs. Clubbed antennas, l^mmxlmm. 

 Tachyporus californicus Horn. . Baker. Claremont, Cal. Golden brown with 



brown abdomen. Abdomen covered with long hairs. 3 mm xl J/ mm. 

 Sculptilis Casey. . Baker. Mountains near Claremont, Cal. Black with white 



markings. Very prominent eyes. 5^mmxl T />mm. 

 Sunicus Cas. . Baker. Mountains near Claremont, Cal. Black. Head and 



thorax small. 3J^mmxl^mm. 

 Layi Cas. . Baker. Mountains near Claremont, Cal. Dull black. Prothorax 



small. 4mmxl/ 2 mm. 

 Lathrobium jacobinum Lee. . Baker. Mountains near Claremont, Cal. Dark 



shiny brown with red legs. Long and slender. 8 mm xl J/ mm. 

 Bledius latecollis Lee. . Baker. Mountains near Claremont, Cal. Brown body 



with tan legs and wing covers. Small head. 3J/> mm x l}/> mm. 

 Bledius ruficornis Lee. . Baker. Mountains near Claremont, Cal. Dull black 



prothorax and head; tan wing covers; shiny black abdomen. V/ 2 mm x lmm. 

 Aleochara pubenita Kg. . Baker. Claremont, Cal. Tan with short dark brown 



wing covers. Short, thick antennas. 3 l / 2 mm x \ l / 2 mm. 

 Aleochara bipustulata Lee. . Baker. Claremont, Cal. Shiny black. Short wing 



covers; short thick antenna;. 3 mm x 1 mm. 

 Platystethus americanus Er. . Baker. Claremont, Cal. Black. Head and pro- 

 thorax round. Wing covers and abdomen short. Medium length antennas, clubbed 



at the end. 3 mm x 1 Vz mm. 

 Athcta picipennis Okkl. . Baker. Mountains near Claremont, Cal. Black with 



short brownish wing covers. Legs relatively long. Ventral side covered with 



fine hairs. 2% mm x 1 mm. 

 Atheta dentaca Bh. . Baker. Mountains near Claremont, Cal. Dull black. Short 



thick antennas. Wing covers about a third the length of abdomen. 2J/> mm x 1 mm. 

 A. occidentalis Bernh. . Baker. Mountains near Claremont, Cal. Shiny black 



with brownish grey wing covers. Last two segments of abdomen larger than 



others. 3 mm x 1 mm. 

 A. sordida Mann. . Baker. Claremont, Cal. Black with bronze colored wing 



covers. Body tapering towards the tip of the abdomen. Prothorax with a trans- 



