THE OOLOGIST 



195 



ably breeds. Found in the Canadian 

 zone. 



Bubo virginianus pallescens. West- 

 ern Horned Owl. Two were observed 

 in the woods near camp, and were 

 heard almost every night. They are 

 said to be rather common in the basin. 

 Breeds in the Canadian zone. 



Picoides americanus dirrsalis. Al- 

 pine Three-toed Woodpecker. Very 

 common in the mountains. Breeds. 

 Found in the Canadian zone. 



Colaptes cafer collaris. Red-shafted 

 Flicker. Seen ocacsionally in the 

 mountains. Probably breeds. Found 

 in the Canadian zone. 



Chorideiles virginianus henryi. 

 Western Nighthawk. Rare. Only one 

 specimen seen and that was in the 

 mountains. Probably breeds. Found 

 in the Canadian zone. 



Pica pica hudsonica. American 

 Magpie. Common in the basin. Not 

 observed in the mountains. Breeds. 



Corvus brachyrhynchos. American 

 Crow. A few observed in the basin. 

 Not seen in the mountains. Probab- 

 ly breeds. 



Hummingbird. Several were seen in 

 the mountains but the specie was not 

 identified. 



Nucifrage columbiana Clark Nut- 

 cracker. One of the most common 

 birds in the mountains. There were 

 always large numbers of them around 

 camp, and they were very tame. 

 Breeds. Found in the Canadian zone. 



Agelaius phoeniceus. Red-winged 

 Blackbird. Seen occasionally in open 

 valleys and in swampy land in the 

 basin. Breed. 



Sturnella magna neglecta. Western 

 Meadowlark. Common in the fields 

 and meadows in the basin. Not seen 

 in the mountains. Breeds. 



Buphagus cyanocephalus. Brewer 

 Blackbird. Common about streams, 

 and irrigated and marshy land in the 

 basin. Not seen in the mountains. 

 Probably breeds. 



Poocaetes gramineus confinis. West- 

 ern Vesper Sparrow. Seen occasional- 

 ly in the basin and at the base of the 

 foothills, but never in the mountains. 

 Probably breeds. 



Zonotrichia leucophrys. White- 

 crowned Sparrow. Seen ocacsionally 

 in the lower valleys in the thick wil- 

 low brush along streams. Probably 

 breeds. 



Spizella socialis atizonae. Western 

 Chipping Sparrow. Fairly common in 

 the mountains. Probably breeds. 

 Found in the Canadian zone. 



Junco montanus. Montana Junco. 

 One of the commonest birds seen in 

 the mountains. They were very tame 

 and were frequently seen in camp. A 

 pair built a nest and raised a brood 

 of young within five feet of one of 

 the tents. Found in the Canadian 

 zone. 



Piranga ludoviciana. Louisiana 

 Tanager. A few were observed in the 

 mountains in the vicinity of camp 

 Probably breeds. Found in the Cana- 

 dian zone. 



Progne subis. Purple Martin. Very 

 plentiful at Bowen Post Office in the 

 basin, where boxes had been put up 

 for them. Breeds. 



Hirundo erythrogastra. Barn Swal- 

 low. Common about farm buildings in 

 the basin, but not observed in the 

 mountains. On June 20th I saw a 

 large number gathering mud from a 

 small stream near Bowen Post Office 

 for nests. 



Cinclus mexicanus. Americana Dip- 

 per. One specimen seen along a small 

 stream in a rocky gorge in the moun- 

 tains. Probably breeds. Found in the 

 Canadian zone. 



Parus gambeli. Mountain Chicka- 

 dee. One pair was observed in the 

 forest near camp. Probably breeds. 

 Found in the Canadian zone. 



Hylocichla guttata auduboni. Audu- 

 bon Hermit Thrush. The nest of one 



