THE COLEOPTERA OF COLORADO. 309 



many forms from Colorado. Most of these are manuscript names however, 

 and as he does not wish them used in anticipation of the descriptions they 

 are not available for our purpose. 



Gnathotrichus maTERIarius Fitch. Mr. Bowditch has a specimen from 

 H. K. Morrison, with the label Colorado, that he refers to this species. 

 Prof. Hopkins will describe a new form from Ouray. 

 G. RETUSUS Lec. Dome Rock, Snow; Veta Pass. 



PiTyophThorus cariniceps Lec. This is reported by Dr. Leconte as oc- 

 curring at Veta Pass among the Schwarz collections. 

 P. Fossifrons Lec. Garland; Veta Pass, 9,000 feet. 

 P. nitidueus Mann. Garland; Veta Pass, 9,000 to 9,400 feet. 

 P. DELETUS Lec. Garland; Veta Pass, 9,000 to 9,400 feet. 

 PiTYOGENES Carinueatus Lec. Colorado, Hopkins in litt. 

 XyeoTERUS uneaTus Oliv. Colorado, Putnam; Garland. 

 Cryphaeus mucronatus Lec. Veta Pass, 9,300 feet. 

 Dryoccetes sepTEntrionis Mann. Colorado, Ulke, as Xyleborus. 

 D. affaber Mann. Gray's Peak, 11,200 feet, Packard; Leavenworth Val- 

 ley, 10,000 to ir, 000 feet. 

 Tomicus integer Eich. Veta Pass and Rico, as T. plastographus. Speci- 

 mens were taken at Boulder, (Hopkins) and Buena Vista, (Wickham), 

 the determinations being due to Prof. Hopkins in these last two cases. 

 T. rectus Lec. Veta Pass; Leavenworth Valley; Rico, Bowditch. 

 T. pini Say. Southern Pueblo County, Cockerell; Gray's Peak, Packard; 



Dome Rock. 

 T. c.EEATus Eich. Veta Pass. 



T. hddsonicuS Lec. Leavenworth Valley, 10,000 to 11,000 feet. 

 T. interrupTus Mann. Leavenworth Valley, 10,000 to 11,000 feet. 

 T. Tridens Mann. Boulder, Hopkins, in bark of Engelmann's spruce; 

 Leadville and the Argentine Pass Road, Wickham; all of the identifica- 

 tions are by Prof. Hopkins. 

 T. eatidens Lec. Veta Pass. 



T. oregoni Eich. Boulder, Hopkins, common in bark of Engelmann's 

 spruce; Leadville; Colorado Springs; Leavenworth Valley; Peak Eight, 

 above timber line. All of the identifications are from Prof. Hopkins. 

 Scoeytus unispinosus Lec. Veta Pass, 9,200 feet. 

 Poeygraphus rufipennis Kirby. Gray's Peak, Packard. 

 PhecEOTribus puberueus Lec. Veta Pass, 9,400 feet. 

 HyeesinuS SERICEUS Mann. Garland. 



H. nebueosus Lec. Colorado Springs, Wickham; name from Hopkins. 

 PhecEosinuS SERRATUS Lec. This " or a new species" is reported from 



Garland. 

 Dendroctonus terebrans Oliv. Red Creek, Custer County, Cockerell; 

 West Cliff; Rio Grande, Ulke; Colorado Springs; Ouray. The variety 

 valens Lec, is reported from Garland. 

 D. rufipennis Kirby. Colorado, Dietz; Leavenworth Valley; Leadville; 

 Rico; Blackhawk and Manitou, Packard; peaks above 12,000 feet, Car- 

 penter. 



V-3 15 



