298 NATURAL HISTORY BULLETIN. 



M. MEL^na Germ. South Fork of San Miguel; Canon of Big Blue; Little 



Willow Creek; Beaver Brook, Bowditch; Micawber Mine; West Cliff. 

 M. SCUTEEEARIS Fab. Little Willow Creek; South Fork of San Miguel; 



Dome Rock; Red Mountain Road; Garland; Georgetown; Micawber 



Mine; lower slopes of Pike's Peak; Colorado Springs; Fort Collins; 



North Park; Dolores; Montrose. 

 MordeeeisTEna arida Lee. Mouth of Canon of the Arkansas, Uhler. 

 M. comaTa Lee. Fort Collins; Horsetooth Gulch, June. 

 M. nigricans Melsh. Fort Collins, on Chenopodium and Helianthus. 

 M PUSTUI.ATA Melsh. Denver; Fort Collins; La Veta; Garland. 

 M. morula Lee. Dolores; Bellevue; Montrose; Garland; Veta Pass; West 



Cliff; Mr. Baker writes that the larvae are common during the winter 



in stems of Iva xanthi/olia, at Fort Collins. 

 M. unicoeor Lee. Dolores; Lamar; Golden; Fort Collins; Durango; La 



Veta; Garland; Buena Vista; Colorado Springs; Denver. 

 M. marginalis Say. Colorado, Putnam, under the name divisa Lee. 

 M. FUSCATA Melsh. La Veta. 



M. ^THIOPS Smith. La Junta, Bowditch; Fort Collins. 

 M. SUTUREEEA Hel. Colorado, Bull. Brooklyn Ent. Soc, VI, p. 5. 

 M. angusTa Lec. Colorado, Putnam; Veta Pass, 9,000 to 9,400 feet. 

 M. ^MUiyA Lec. West Cliff; Pueblo; Platte River; La Veta; Manitou; 



Garland. 



ANTHICID.E. 



Eurygenius constrictuS Lec. Colorado. 



SterEopaepus GUTTaTus Lec. Gunnison; Placerville; found by Lieut. Car- 

 penter at altitudes above 12,000 feet. 



S. pruinosus Lec. Durango, Bowditch; I have an undetermined species 

 from Buena Vista. 



Corphyra EEWisil Horn. Mountains southwest of Montrose; Horsefly 

 Peak; Canon of Big Blue; North Park; Fort Collins; Colorado Springs; 

 lower slopes of Pike's Peak; Buena Vista; West Cliff; Beaver Brook, 

 Bowditch; Ouray; Garland; La Veta; Veta Pass. The form variabilis 

 Horn, I have from Georgetown and Ouray. 



C. abnormis Horn. Colorado, Horn. 



C. puechra Lec. Colorado, Putnam. 



C. COEEARis Say. Colorado, Horn. 



C. EUGUBRis Say. Colorado. 



Lappus STURMi Laf. Colorado, Horn, as Anthicus elegans Laf. 



L. nitidueuS Lec. Colorado, Putnam; Pike's Peak, 7,000 to 8,000 feet. 



L. animaTUS Casey. Colorado Springs, identity not quite certain. 



Thicanus mimus Casey. Colorado Springs, June. 



Vacusus Formicetorum Wasm. Garland. 



V. SUSPECTUS Casey. Supposed by the describer to have come from Colo- 

 rado. 



HemantuS rixaTor Casey. Colorado Springs, July. 



Anthicus feavicans Lec. Salida; Colorado Springs. 



