234 NATURAL HISTORY BULLETIN. 



Springs; La Junta; Gunnison; Canon of Big Blue; South Fork of San 

 Miguel; Durango; Pagosa Springs; Upper San Juan; Salida; Canon City. 



B. FUSCICRUM Mots. Salida; Leavenworth Valley; Poudre Canon; Floris- 

 sant; Gunnison; San Luis Valley; Buena Vista; Breckenridge; Leadville. 



B. scopulinum Kirby. Vicinity of Fort Collins, March and April; George- 

 town; Leavenworth Valley; Mountains southwest of Montrose; North 

 Fork of South Platte; Garland; Colorado Springs; La Veta; Veta Pass, 

 9,400 feet. 



B. graph Gyll. Leavenworth Valley, 10,000 to 11,000 feet; Alma; Rico; 

 Canon of Big Blue; Dolores, June; Breckenridge; Leadville; Peak Eight, 

 above timber. 



B. consimile Hayward. Colorado Springs, Wickham, on alkaline mud. 



B. cordatum Lee. Warren's Lake, October; Colorado Springs; La Junta; 

 West Las Animas; La Veta; Veta Pass, 9,400 feet. 



B. DENTELLUM Thunb. Garland; West Cliff; both of these records are un- 

 der the name arcuatum Lee. 



B. coloradense Hayward. Mountains southwest of Montrose; Monument 

 Gulch; Horsefly Peak; South Fork of San Miguel; Rico; Upper San 

 Juan; Williams River Valley, 9,000 feet. 



B. indistinctum Dej. West Cliff; Little Blue Creek, Gunnison County, 

 Cockerell. 



B. umbraTum Lee. Montrose; Durango; Garland. 



B. yENEicoivLE Lee. Garland; Mr. Hayward writes that a single specimen 

 from Colorado is in the Horn collection. 



B. variegatum Say. Vicinity of Fort Collins, March, April, June, July, 

 October; Manitou; Colorado Springs; Denver; Ouray; Leavenworth 

 Valley. 



B. nigripes Kirby. Buena Vista; Leadville; Gunnison; Little Willow 

 Creek; Mountains southwest of Montrose; Durango; San Luis Valley; 

 Florissant; Leavenworth Valley; Georgetown. 



B. intermedium Kirby. South Park, 8,000 to 10,000 feet, Bowditch; Gar- 

 land; Veta Pass; Colorado Springs; La Junta, Hayward; Grand Junction, 

 Wickham. 



B. Timidum Lee. Mountains southwest of Montrose; Durango; Upper San 

 Juan; Colorado Springs; Spring Canon, March; Warren's Lake, October. 



B. versicolor Lee. Warren's Lake, October; La Veta; Alamosa; Garland; 

 Breckenridge; Colorado Springs; Grand Junction. 



B. DEJECTUM Casey. Colorado Springs, June, Wickham. 



B. obtusanguxum Lee. South Park, 8,000 to 10,000 feet, Bowditch; San 

 Luis Valley; Salida, Wickham. 



B. rubiginosum Lee. Garland; Veta Pass, 9,400 feet. 



B. constricticollE Hayward. Colorado Springs, July, Wickham. 



B. dyschirinum Lee. Leavenworth Valley; Breckenridge; Leadville. 



B. PRyECiNCTUM Lee. Alamosa; Florissant; Gunnison; Horsefly Peak; Lead- 

 ville; Buena Vista; Leavenworth Valley; Ouray. 



B. dubitans Lee. Garland; Buena Vista; Ouray; Leavenworth Valley. 



B. muTatum G. & H. Durango; Mountains southwest of Montrose; Veta 

 Pass, 9,350 feet; Leadville; Williams River Valley, 9,000 feet. 





