FACING PAGE 
Les Timores (Duotone). 1312 
Surf-birds Flying (Duotone). 1332 
Surf-birds—The Parting Shot (Photogravure). 1336 
Black Oyster-catcher (Color-plate). 1346 
A Breeding Haunt of the Black Oyster-catcher (Duotone).. . 1352 
Gull and Surf (Duotone). 1366 
The Farallons (Duotone). 1376 
The Gray Lady (Duotone). 1380 
The Gentleman in Gray (Duotone). 1386 
N/3 Western Gull (Duotone). 1390 
The Hesperian Pinnacles (Duotone). 1392 
The Northward Faring (Duotone). 1396 
Portrait of California Gull (Duotone). 1398 
California Gulls at Paoha (Duotone). 1408 
Bonaparte’s Gull (Color-plate). 1422 
Bonaparte’s Gull on Estero Santa Barbara (Duotone). 1424 
Group of Bonaparte Gulls (Duotone). 1426 
Heermann’s Gull (Color-plate). 1428 
Heermann Gulls (Duotone). 1430 
Elegant Tern (Color-plate). 1442 
Brown’s Least Tern, at Nest (Duotone). 1452 
Ancient Murrelet (Color-plate). 1482 
Poseidon Club (Photogravure). 1494 
Tufted Puffin (Color-plate). 1506 
Tufted Puffins and Surf (Duotone). 1514 
Adventure (Duotone). 1532 
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