Vol i906 in ] Bowles, Birds of Tacoma, Wash. 139 



omitted because they were not actually under the eye of the writer. 

 In the identification of many species the author desires to ac- 

 knowledge the kindness of Dr. A. K. Fisher and Mr. H. C. Ober- 

 holser of the Biological Survey, U. S. Dept. of Agriculture. 



1. .ffichmophorus occidentalis. Western Grebe. — Very common 

 migrant and winter resident. Flocks of hundreds assemble in October to 

 fish in the tide-rips. 



2. Colymbus holboelli. Holbcell's Grebe. — Common in migra- 

 tions and winter, but not so numerous as the above. 



3. Colymbus auritus. Horned Grebe. — Common during migra- 

 tions and in winter. 



4. Podilymbus podiceps. Pied-billed Grebe. — Common summer 

 resident. Rare in winter. Breeds. 



5. Gavia imber. Loon. — Not uncommon summer resident in the 

 higher altitudes. Breeds. 



6. Gavia lumme. Red-throated Loon. — Not uncommon in winter. 



7. Ceratorhina monocerata. Rhinoceros Auklet. — Rare visitor. 

 Shot on Sept. 21, 1902. 



8. Brachyramphus marmoratus. Marbled Murrelet. — Common 

 throughout the year on the Sound. Undoubtedly breeds. 



9. Cepphus columba. Pigeon Guillemot. — Common throughout 

 the year. These birds dig deep holes in the face of a sandy cliff, laying 

 their eggs on the bare sand at the end. 



10. Uria troile californica. California Murre. — Not rare during 

 migrations along the Sound. 



11. Stercorarius parasiticus. Parasitic Jaeger. — Not uncommon 

 during migrations along the Sound. 



12. Larus glaucescens. Glaucous-winged Gull. — Very common 

 from October to May. A few spend the summer, but I have seen no indi- 

 cations of their nesting. 



13. Larus occidentalis. Western Gull. — Common during the 

 winter. 



14. Larus californicus. California Gull. — Common during mi- 

 grations. 



15. Larus brachyrhynchus. Short-billed Gull. — Common in 

 winter. 



16. Larus heermanni. Heermann's Gull. — Rather common in 

 summer and fall though we have seen no signs of nesting. 



17. Larus Philadelphia. Bonaparte's Gull. — Very common spring 

 and fall migrant. In the fall we have seen large numbers, in company with 

 Nighthawks,. catching insects on the wing over land where the timber had 

 been cut off. An examination of several stomachs showed them to be 

 crammed with insects only. 



