THE COLEOPTERA OF COLORADO. 247 



N. VESPILLOIDES Hbst. Summit and Delta Counties, Cockerell; Fort Col- 

 lins, October. 



N. TomenTOSUS Web. Boulder, Oslar; Fort Collins, September. 



SiLPHA TruncaTa Say. Southern Colorado, Leconte; West Las Animas 

 and Grenada, Hayward; Colorado Springs, Wickham. 



S. lapponica Hbst. Denver; Georgetown; Idaho Springs; Florissant; West 

 Cliff; Ouray; Little Willow Creek; Fort Collins; near Long's Peak; 

 Livermore; South Park; Colorado Springs; Buena Vista; Breckenridge; 

 Leadville. An abundant species occurring from March to October. 



S. TrituberculaTA Kirby, variety coloradensis Wickham. Argentine Road 

 above Georgetown, 12,000 to 13,000 feet. Mr. Bowditch has a specimen 

 of trituberculata from Gunnison which may belong to this variety. 



S. RAMOSA Say. Over 12,000 feet, Carpenter; Gunnison and South Park, 

 Bowditch; plains south of Denver, Ulke; West Cliff; Clear Creek Canon, 

 Oslar; vicinity of Fort Collins, March to August; Buena Vista. 



S. OPACA Linn. Mr. Bowditch has a specimen from the Argentine Pass 

 which he refers here with doubt. 



Pteroloma tenuicornis Lee. Canon City, Wickham. 



Choleva simplex Say. Fort Collins, October. 



C. basillaris Say. Rico; South Fork of San Miguel; the form brunnipen- 

 nis is recorded from La Veta in the Schwarz list. 



C. clavicornis Lee. Colorado, Horn; Rico, Bowditch. 



Ptomophagus consobrinus Lee. Colorado, Bowditch; Georgetown, Wick- 

 ham. 



Colon pusillum Horn. Colorado, Horn. 



C. clavatum Mann. Veta Pass, 11,000 feet. 



C. inerme Mann. Colorado, Horn. 



C. magnicollE Mann. Leavenworth Valley, 10,000 to 11,000 feet. 



C. UEBECKi Wickham. Breckenridge. 



Hydnobius longidens Lee. Garland. 



H. substriaTus Lee. Colorado, Horn. 



H. curvidens Lee. La Veta; Garland. 



H. pumilus Lee. Veta Pass, 9,200 feet. 



H. latidens Lee. Colorado, Horn; Durango, Bowditch. 



H. obtusus Lee. Garland; Veta Pass, 9,200 feet. 



AnisoToma valida Horn. Silver Plume; Breckenridge. 



A. assimius Lee. Colorado, Horn. 

 A. ptjnctatostriata Kirby. Colorado, Hamilton. 



A. collaris Lee. Colorado, Horn. A species "allied to collaris" is re- 

 ported from Garland and Veta Pass by Dr. Leconte, in the Schwarz list. 

 A. sTrigaTa Lee. Leavenworth Valley, 10,000 feet; Red Mountain Road, 



8,000 to 9,000 feet. 

 A. OBSOLETa Melsh. Colorado, Horn. 

 LlODES Globosa Lee. Veta Pass; Ouray. 

 ? Cyrtusa sp. Veta Pass, 9,200 feet. 

 Agathidium exiguum Melsh. Colorado, Horn. 

 A. estriatum Horn. Ouray; Garland. 



