182 CALIFORNIA ACADEMY OF SCIENCES. 



Diego (Le Conte): obliguus, very common in Los An- 

 geles County, coming often to light in swarms during 

 May and June: militaris, mountains near Pomona, but 

 not common: bellulus, Pasadena in March and San Diego; 

 not common: herifuga, San Bernardino, Riverside, Po- 

 mona, Pasadena, etc.; rather common: maritimus, not 

 abundant on the sea beaches; Long Beach, June: cor- 

 ticcdis, Yuma: obesus is rather plentiful, and in much 

 variety of size and color; various beaches of Southern 

 California and at San Francisco. A. albicans and A. 

 parviceps are merely varieties which would occur in 

 any considerable series taken at any one locality. The 

 following are either from the middle or northern regions 

 or are mentioned without definite locality: vigilans^ 

 nitidulus, franciscanus, nigritulus, protectus, mercurialis, 

 prceceps, auriger, inscitus, ariioenus, ob&curellus and 

 helvinus. 



Tanarthrus. — The writer has not yet met with 

 salinus, which is said to occur around the southern 

 salt lakes: alutaceus is not rare at San Diego and 

 Redondo; I have taken specimens at the latter locality 

 in March and April, on the muddy border of a small 

 salt lake. 



Notoxus. — N. spatidifer, Los Angeles County (Casey): 

 denudatus, rare, Pomona and Los Angeles: debilitans,. 

 San Diego: conformis, Southern California (Horn): 

 sparsus, not rare in the foot-hills near Pomona: con- 

 strictus, exceedingly abundant nearly everywhere: ro- 

 bustus, Los Angeles County: alamedce, at times plentiful 

 on the sand beneath and about the roots of plants, above 

 the beach at Redondo: cavicornis, rare; found under 

 bark and on the wing, at Pomona, in November and 

 December: calcaratus, common and widely dispersed in 



