COLEOPTERA OF SOUTHERN CALIFORNIA. 43 



common: grandicolle, San Diego, Riverside; rare: vile, 

 San Diego and Los Angeles, August; rare: horni, two 

 examples; Riverside, June; Sierras, July: bifasciatum, 

 often abundant along mountain streams: dubitans, 

 Pomona, Riverside, Pasadena; March to June: trechi- 

 forme, Santa Monica, February; Ojai Valley, March; 

 rather scarce: laticeps, San Diego; very few specimens 

 known: cautum (from which connivens is not separable) 

 is widely diffused and very common: henshaivi and 

 scudderi are recorded from Tehachapi, the northern 

 limit of our area. 



The following species occur in the middle or northern 

 portions of the State: littorale, lorquini, sculpturatum, 

 quadrulum, planatum,planiusculum, complanulum, fune- 

 reum, nigrocosruleum, incertum, nebraskense, nevadense, 

 rickseckeri, approximation, dentellum, variolosum, mor- 

 mon, obtusangulum, wickhami, anguliferum, oblongulum, 

 tigrinum* assimile, spectabile. Hay ward cites muscicola 

 with an implied doubt: sordidulum was described by 

 Chaudoir from California, but is unrecognized. 



Anillus. A. explanatus has been found in Alabaster 

 Cave, El Dorado County: debilis, under stones at San 

 Jose. 



Tachys. T. vittiger and T. virgo are found only near 

 the seacoast; both have been found running on salt mud 

 at Santa Barbara and Redondo, while vittiger has also 

 been found at San Diego and near the beach on Catalina 

 Island: mordax, Colorado River: corax, in same locality 

 and more frequent, also at Pomona: vorax, rare at 

 Pomona and Riverside: edax, Ojai Valley, March: nanus, 

 common under bark of fallen trees in the mountains: 



* Specimens of B. tigrinum have been recently taken by me on the sandy margin of the salt 

 flats back of the ocean beach at Santa Barbara (August). It has previously been known to me 

 only from Alameda, probably occurring in similar situations. 



