TO YELLOWSTONE NATIONAL PARK, 81 
72. PICUS PUBESCENS, Linn. 
Downy WoOoDPECKER. 
Occasionally noticed in the Yellowstone Park near the bridge. 
73. SPHYRAPICUS THYROIDEUS, (Cass.) Baird. 
BLACK-BREASTED WOODPECKER. 
Observed but once, near Tower Creek in the Yellowstone Park. 
74. MELANERPES ERYTHROCEPHALUS, (Linn.) Sw. 
RED-HEADED WOODPECKER. 
Very common wherever there was timber. 
75. MELANERPES TORQUATUS, (WWils.) Bp. 
LEWIS’ WOODPECKER. 
We first saw this species in the mountains near Camp Baker, where it was quite abundant. 
It was afterward seen in considerable numbers near the mouth of Trail Creek, and along other little 
timbered streams running into the Yellowstone River. These birds were several times seen search- 
ing for food upon the ground after the manner of Colaptes. 
76. COLAPTES AURATUS, (Linn.) Sw. 
GOLDEN-WINGED WOODPECKER; JfLICKER. 
Abundant along the Missouri River, at least as far up as Fort Buford. 
77. COLAPTES MEXICANDS, Sv. 
RED-SHAFTED \WOODPECKER. 
Abundant about Camp Baker and in the Yellowstone Park. 
STRIGIDZ. 
78. BUBO VIRGINIANUS, (Gm.) Bp. 
GREAT HORNED OWL. 
Seen once near Carroll. 
79. OTUS PALUSTRIS, (Bechst.) Gould. 
SHORT-EARED OWL. 
Common on the plains. 
80. SPHEOTYTO CUNICULARIA HYPOGALA, (Bp.) Coues. 
BURROWING OWL. 
Seen occasionally on the plains. : 
FALCONID.%. 
81. CIRCUS CYANEUS HUDSONIDS, (Linn.) Schl. 
MaArRsH HAwWk. 
Very common throughout the country which we passed over. 
1l w 
