236 NATURAL HISTORY BULLETIN. 



P. INCISUS Lec. Colorado Springs, Snow; La Junta, Hayward; La Veta; 

 Greeley. 



P. lachrymosus Newm. Colorado, Bowditch. 



P. SCITUEUS Lec. Pueblo; Berkeley, July; Colorado Springs, June and July; 

 Fort Collins, IMay and October. 



P. lucublandus Sa}-. Berkeley, May; Colorado Springs. 



P. convexicollis Say. Alamosa; vicinity of Fort Collins, March to May. 



P. caudicalis Say. Fort Collins, April; Greeley, May. 



P. luctuosus Dej. Fort Collins. 



P. MUTUS Say. Red Cliff, determined by Dr. Horn; Nathrop, Cockerell. 



P. orinomum Leach. South Park, Bowditch; Leavenworth Valley, 9,000 to 

 10,000 feet; Ironton, Gillette; Salida; Red Cliff; Garland. 



P. luczotii Dej. Vicinity of Fort Collins, March and June; Idaho Springs, 

 Packard; Berkeley, June; South Park, 8,000 to 10,000 feet, Bowditch; 

 West Cliff; San Luis Valley, Ulke; Pleasant Valley, Fremont County, 

 Cockerell; Gunnison; Little Willow Creek; Canon of Big Blue; Rico; 

 Mountains southwest of Montrose; Durango; Silver Plume; Georgetown; 

 Leavenworth Valley; Buena Vista; Colorado Springs, June and July; 

 Breckenridge ; Leadvilje; common under logs in woods and near streams. 



P. erythropcs Dej. Greeley; Fort Collins, April. 



P. femoralis Kirby. Colorado Springs. 



P. hudsonicus Lec. Red Cliff. The name is from Dr. Horn. 



P. SURGENS Lec. Moose Mountain, about 12,000 feet, near snow bank; 

 Alma; Durango; Leavenworth Valley and Argentine Pass, 10,000 to 

 13,000 feet; Red Mountain Road. 



P. riparius Dej. Slope of Gray's Peak, 12,000 feet, Packard. This and 

 the two preceding species are closely allied and it is possible that one or 

 more of the records are in error. 



Evarthrus Torvus Lec. Colorado, probably taken in the vicinity of Fort 

 Collins. 



Amara avida Say. North Fork of South Platte, 7,000 to 8,000 feet; Idaho 

 Springs; La Junta, Bowditch. 



A. rufimana Kirby. Grand Junction, Bowditch; Little Willow Creek; 

 Canon of Big Blue. 



A. cyundrica Lec. South Park, 8,000 to 10,000 feet; Cochetopa Pass; 

 doubtful records are at hand for western Custer County, and Durango. 



A. jacobin^ Lec. Mr. Hayward gives me the record Colorado, with a mark 

 of doubt. 



A. eaticollis Lec. West Cliff; La Junta; Mountains southwest of Mont- 

 rose; Canon of Big Blue; Durango; Cochetopa Pass; Little Willow 

 Creek; Mr. Hayward does not feel certain of the correctness of identifi- 

 cation in the case of the last five localities, this being a very difficult 

 section of the genus and the original descriptions insufficient. 



A. carinaTa Lec. Colorado Springs. 



A. ESCHSCHOi/rzii Chaud. Roaring Fork, Ulke; Cochetopa Pass, Bowditch. 



A. hyperborea Dej. Pike's Peak, a short distance below summit, Snow; 

 summit of Mt Abrams, above Ouray, about 13,000 feet, Wickham; Peak 



