THE COLEOPTERA OF COLORADO. 233 



B. BIFOSSULATUM Lec. Warren's Lake, October; Clear Creek Cation, August; 



Beaver Brook Gulch; South Platte River, west of Denver, Uhler; Colo- 

 rado Springs, Wickham; Denver, Packard; Alamosa; Garland; La Veta; 



Gunnison; Durango; West Las Animas; La Junta, Hay ward. 

 B. AMERICANUM Dej. Near Sloan's Lake, west of Denver, Uhler. 

 B. chaixeum Dej. Greeley, Wickham. 

 B. LONGUtUM Lec. Georgetown; Leavenworth Valley, 9,000 to 10,000 feet; 



Garland; La Veta; Gunnison; Canon of the Big Blue; Horsefly Peak 



Divide; Durango; Pagosa Springs; Cochetopa Pass. 

 B. QUADRULUM Lec. Gunnison; Placerville; Red Cliff. 

 B. RECTicoivLE Lec. Gunnison; Monument Gulch; Mountains southwest of 



Montrose; Durango; Upper San Juan; Florissant. 

 B. planaTum Lec. Red Cliff; Gunnison; South Fork of San Miguel; Pagosa 



Springs; Upper San Juan; Ouray; San Luis Valley; Iron ton, Gillette. 

 B. PLANiuscuiyUM Mann. Trout Lake; Ouray; Red Mountain Road, 9,000 



to 10,000 feet; Gunnison; Canon of the Big Blue; Pagosa Springs; Upper 



San Juan; San Luis Valley; South Fork of San Miguel; Leavenworth 



Valley; Silver Plume. 

 B. COMPEANUI.UM Mann. Upper San Juan. 

 B. m^Eklini Dec. San Miguel County, Hamilton; Red Cliff. 

 B. incerTum Mots. Plentiful above Leadville, along little streams; South 



Park; Alma; Mountains southwest of Montrose; Williams River Valley; 



Alamosa; Ouray; Leavenworth Valley; Argentine Road, 12,000 to 13,000 



feet. 

 B. breve Mots. Silver Plume. 

 B. nebraskense Lec. Cochetopa Pass; Gunnison; Canon of Big Blue; 



Mountains southwest of Montrose ; Horsefly Peak ; Durango ; South Fork 



of San Miguel; Leadville; Colorado Springs; Buena Vista. 

 B. fugax Lec. Red Cliff. 

 B. TRANSVERSAEE Dej. Pueblo and Trout Lake, Bowditch; Colorado 



Springs and Canon City, Wickham; Spring Cation; Georgetown; Ouray; 



Red Cliff; Garland; La Veta; Gunnison; Upper San Juan; a common 



species found indiscriminately on alkaline flats and margins of streams. 

 B. LUGUBRE Lec. Canon City and Colorado Springs, Wickham; La Veta; 



Pagosa Springs; vicinity of Fort Collins, March and April. 

 B. consanguineum Hayward. Canon City, Wickham. 

 B. STRiotA Lec. Canon City; Mountains southwest of Montrose; specimens 



which Mr. Hayward doubtfully refers here were taken at Ouray and in 



the Leavenworth Valley. 

 B. bimaculatum Kirby. West Cliff; Idaho Springs, Packard; South Park, 



8,000 to 10,000 feet; Gunnison; Leavenworth Valley; Garland; Buena 



Vista; Breckenridge; Leadville. 

 B. uSTUtATUM Linn. Canon of Big Blue; Upper San Juan; Gunnison; South 



Fork of San Miguel; Florissant; Idaho Springs. 

 B. lucidum Lec. Near Fort Collins, March and April; Dome Rock; West 



Cliff; Garland; La Veta; Veta Pass; Florissant; Ouray; Georgetown; 



Leavenworth Valley; Buena Vista; Breckenridge; Leadville; Colorado 



V— 3 2 



