90 CALIFORNIA ACADEMY OF SCIENCES. 



imbellis. one example; San Diego (Blaisdell): nitid- 

 ulus, now referred to planatus, was described from Cali- 

 fornia. 



Cathartus. C. advena, common about gardens, 

 stables, etc.: opaculuSj not very common but generally 

 diffused; Yuma, San Bernardino, Pomona; once taken in 

 some numbers under bark of eucalyptus in December. 



Nausibius. 2V. clavicornis, "Commercial storehouses 

 occasionally" (Blaisdell). 



Prostomis. P. mandibularis is northern. 



Narthecius. N. grandiceps is very rare; I once took 

 about a dozen specimens from the burrows of Pityoph- 

 thorus pubipennis, San Bernardino Mountains, in August. 

 Casey has described simulator from Santa Cruz County. 



Pediacus. P. depressus, not common, under bark, 

 San Bernardino Mountains: fuscus has been taken near 

 San Francisco (Marin County) by Van Dyke. 



Cucujus. C. clavipes var. puniceus, Lake Tahoe and 

 north. 



Laemophlceus. L. biguttatus, usually not common; 

 found flying late in the afternoon of warm days in early 

 spring; occurs at times in large numbers under decay- 

 ing and fungus-covered bark of dead sycamores (Blais- 

 dell): nitens, one or two examples taken at Pasadena in 

 March by Dr. Fenyes: horni, sometimes found in large 

 numbers under bark of dead sycamores, several hundred 

 having been once taken in this way in the Ojai Valley 

 in March: cephalotes, rare, under bark of various trees, 

 Pasadena, Los Angeles, San Diego, etc.: ferrugineus, 

 not common, Los Angeles: pusillus, Colorado River 

 (Le Conte). 



