CHAPTER XVI. 
BIRDS. 
By 
JAMES H. FLEMING. 
Family CoLyMBIDaz. 
1. Holbeell’s Grebe. Colymbus holboell. Regu- 
lar migrant, not common. 
2. Horned Grebe. Colymbus auritus. Regular 
migrant, common. , 
3. Pied-billed Grebe. Podilymbus podiceps. Reg- 
ular migrant, common; probably breeds. 
Family Gavimpaz. 
4, Loon. Gavia immer. Regular migrant, usu- 
ally not common. 
5. Red-throated Loon. Gavia stellata. Regular 
migrant, usually not common. 
Family Atcma®. 
6. Ancient Murrelet. Synthliboramphus  anti- 
quus. Accidental, one record (Auk, 1912, pp. 387- 
8). 
7. Mandt’s Guillemot (?). Cepphus mandti (?). 
Accidental, one record, which probably belongs to 
this form, rather than to Cepphus grylle. 
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