May, 1912 
SOME NORTH-CENTRAL COLORADO BIRD NOTES 
101 
80. Piranga ludoviciana. Western Tanager. For some reason but a 
.single specimen of this species was seen the whole trip, at Elbert. 
81. Petrochelidon lunifrons. Cliff Swallow. Observed near Elbert, r.t 
River Bend, Cedar Point, Lowland, between Raymer and Pawnee Buttes, and 
at the latter place, where, as noted in the introduction, there was a colony having- 
nests in the bluffs along the creek. Seen near Ault. Fort Collins, and west of 
there to a little beyond Home P. O. Was common at Walden and other places 
Fig-. 40. PORTION OF THE CEIFF SWAEEOW COLONY AT PAWNEE BUTTES 
in the North Park. July 5, when we passed the Higho schoolhouse, near Lake 
John, we saw a colony having ne.sts under the eaves of the schoolhouse. T 
counted fifty-seven on the west side of the building, and there were many more 
on the other. When we passed there again July 17, we found the nests had all 
been destroyed, presumably by .some fool who held the ridiculous belief that the 
birds harbor bedbugs. There were millions of mosquitos on which the birds were 
