242 NATURAL HISTORY BULLETIN. 



H. innocuus Lee. Breckenridge and Leadville, abundant. 

 H. carbon atus Lee. Veta Pass; Little Willow Creek. 



H. montanus Lee. Canon of Big Blue; San Luis Valley; Leadville; Argen- 

 tine Pass; Mt. Lincoln; Silver Plume. 

 H. eaticeps Lee. San Luis Valley. 

 H. FRATERNU3 Lee. Denver; South Park; Gunnison; Pagosa Springs; 



Leavenworth Valley, 9,000 to 10,000 feet. 

 II. funestus Lee. Fort Collins; Xathrop; Garland; La Junta; Cochetopa 

 Pass; San Luis Valley; Ouray; Georgetown; Leavenworth Valley; Ar- 

 gentine Road. 



H. oblitus Lee. Fort Collins; Denver; Beaver Brook; Manitou; Colorado 

 Springs; Salida; Canon City; Pagosa; Idaho Springs; Georgetown; Sil- 

 ver Plume; Garland; Veta Pass; La Junta; Greeley; Gunnison; Monu- 

 ment Gulch; Little Willow Creek; Canon of Big Blue; Durango; Coche- 

 topa Pass; South Park; North Fork of South Platte; Buena Vista; 

 Breckenridge. 



H. clandestinuS Lee. Garland; Buena Vista. 



H. FURTivus Lee. Golden; Idaho Springs; Manitou; Garland; Little Wil- 

 low Creek; San Luis Valley. 



H. ochropus Kirby. South Park; San Luis Valley; Cochetopa Pass; Mont- 

 rose; Colorado Springs; Buena Vista. 



II. ixstrans Casey. South Park; Canon City; Chimney Gulch; Fort Col- 

 lins; Gunnison. 



H. basilaris Kirby. South Park; Alamosa; Gunnison; Cochetopa Pass; 

 West Cliff; Canon City; Fort Collins; Greeley; Georgetown; Ouray; 

 Buena Vista; Breckenridge; Leadville. 



H. varicornis Lee. Colorado, Putnam. 



H. aeiENUS Lee. Veta Pass. 



SEivENOPHORUS pedicularius Dej. San Luis Valley; Clear Creek; Fort 

 Collins; Golden; Colorado Springs, common about the roots of plants 

 on dry hillsides. 



S. fossulaTus Dej. La Junta, Hay ward. 



Stenoeophus peEbeius Dej. Denver, H. G. Smith, Jr., determined by Dr. 

 Horn. 



S. conjunctus Say. Vicinity of Fort Collins, February to May; West Cliff; 

 Florissant; Colorado Springs; Buena Vista. 



S. unicolor Dej. Colorado Springs, June; I found a small colony under a 

 board on an alkali flat. The name is from Dr. Horn. 



S. ochropezus Say. Fort Collins, March and April; Colorado Springs, 

 June; Buena Vista. 



Bradycellus cognatus Gyll. Cattle Creek, Garfield County, Cockerell; 

 Fort Collins; Greeley; Cochetopa Pass; Garland; Georgetown; Ouray; 

 Buena Vista; Breckenridge; Leadville. 



B. rupestris Say. Fort Collins; Colorado Springs; Buena Vista; Alamosa. 



Tachyceeeus nigrinus Dej. West Cliff. 



T. badiipennis Hald. West Cliff. 



Anisodactylus dilaTatus Dej. Colorado, Bowditch. 



