iSS6.] Anthony on Birds of Washington County, Oregon. 162 



only — is given on the strength of my having taken specimens, 

 or seen the birds within the limits of the region under cir- 

 cumstances that left but little if any doubt as to their identity. 

 The list is necessarily incomplete in many respects, as almost 

 the entire western half of the county was left unexplored, 

 and other regions of importance were neglected owing to 

 lack of time. The region about Beaverton, however, was thor- 

 oughly worked over, and I am satisfied that but few of the more 

 common speciesescaped me. Several species of Grebes, Gulls, 

 and Shore Birds were described to me by the sportsmen of Wapita 

 Lake as being found later in the season ; but as I was unable to 

 visit that locality at the proper time, many interesting species 

 were missed, and the list of shore and water birds is thus left 

 very incomplete. The nomenclature and classification is that of 

 the new A. O. U. Check List. 



1. Colymbus nigricollis. American Eared Grebe. — Common at 

 Wapita Lake. 



2. Msrganser amsricanus. American Merganser. — A few seen in 

 December. 



3. Merganser serrator. Red-breasted Merganser. — Not uncommon 

 in winter. 



4. Lophodytes cucuUatus. Hooded Merganser. — Qiiite plenty at 

 Wapita Lake in winter; a few seen at Beaverton in December. 



5. Anas boschas. Mallard. — Abundant winter resident ; a few breed. 



6. Anas strepera. Gadw.\ll. — Not uncommon during migrations. 



7. Anas carolinensis. Green-winged Teal. — Abundant in winter; 

 a few breed. 



8. Dafila acuta. Pintail. — Abundant in fall and winter. 



9. Aix sponsa. Wood Duck. — Common resident. 



10. Aythya affinis. Lesser Scaup Duck. — Qiiite common at Wapita 

 in October. 



Another species of Duck was seen, probably A. coUari's, but it was not 

 taken. It is known to the sportsmen as 'River Canvasback.' 



i[. Branta canadensis. Canada Goose. — Abundant winter resident. 



12. Branta canadensis hutchinsi. Hutchins's Goose. — The most 

 abundant of our Geese. The fanners in the western part of the county 

 told me that hundreds of bushels of wheat are destroyed annually by this 

 and the foregoing species. 



13. Branta nigricans. Black Brant. — Occasionally seen flying over 

 in spring and fall. 



14. Olor columbianus. Whistling Swan.— Rare in the county. Both 

 O. columbianus and O. buccinator are common on the Columbia River 

 during the winter. O. columbianus is occasionally found on Wapita 

 Lake, but I could get no evidence in regard to the presence there of O. 

 buccinator. 



