430 THE PUR SEALS OF THE PRIBILOF ISLANDS. 



R. Ridgway : Manual of North American Birds, 1887, 403. 



Description of Pleetrophenax nivalis townsendi from Otter Island. 

 W. Palmer : An Asiatic Cuckoo on the Pribilof Islands, Alaska. Auk., 1894, 325. 



Note on occurrence of Cuculus canorus telepkonua on St. Paul Island. An addition to Nortli American birds. 



D. G. Elliot: North American Shore Birds, 1895, 72, 235. 



Discussion concerning the validity of Tringa ptilocnemis. 



C. Bendire : Life Histories, II, 1895, 32. 



Mention of Cuculus canorus telephonus as an American bird. 



E. Ridgway : Auk, 1898, 320. 



Description of CalcaHut lapponicus alascensie. Type from St. Paul. 



The followiug popular works contain more or less mention of the birds of the 

 islands and surrounding waters: 



Alaska and its Resources, by W. H. Dall, 1870. 



Contains list of the birds of Alaska, pp. 580-586. 



Our Arctic Province, by H. W. Elliott, 1886. 

 Bird matter, pp. 208, 225, three illustrations. 



The Voyage of the Vega, A. E. Nordenskiold. Translation, 1882. 

 Popular bird matter concerning the islands of Bering Sea. 



Bidrag till kannedomen ora Sibiriska Ishafsknstens Fogelfauna. In A. E. Nordenskiold's Vega-Expe- 

 ditionens Vetenskapliga lakttagelser, Stockholm, 1887. 

 Bird matter in vol. 5, eighty species mentioned, with full notes. 



A Few Sea-Birds, by H. W. Elliott, in Harper's Magazine, LVIIl, 1879, 497, 505. 

 A popular account of the sea-fowl about the seal islands. 



EXPLANATION OF PLATE XXXVIII. 



Figs. 1, 2. Uria troile calif ornica; as seen on Walrus Island, August 7, 1890. 



Fig. 3. Phalacrocorax urile; nest of four eggs in situ, with dead adult, .June 13, 1890, Walrus Island. 



Fig. 4. ; nest with two eggs and live bird, August 7, 1890, Walrus Island. These pictures show 



the rugged character of the island surface and shore line. 



EXPLANATION OF PLATE XXXIX. 



Eggs of the Pacific Murre, Uria lomvia arra. Nine. specimens selected as typical of extremes of 

 color and markings. Nos. 2, 3, 6 represent more nearly the average eggs. Specimens in National 

 Museum collection. 



No. 1. White, with but few faint markings; rare, 3.35 by 2.15. 

 No. 2. The darkest, deep glaucous green, with irregular band of mostly confluent black blotches 



mixed with some brown ; spots black ; very common, 3.26 by 2.08. 

 No. 3. Very pale greenish, many small black and obscure spots; a blotched mass of black covers the 



larger end, with a few brown blotches; common, 3.10 by 2.03. 

 No. 4. Uniformly pale greenish ; has some wavy and roundish light brown spots; no black; uncom- 

 mon, 3.37 by 2.08. 

 No. 5. Dull glaucous green; no spots, but long wavy lines of varying shades of brown; rare, 3.10 



by 2.10. 

 No. 6. Creamy; numerous black and obscure blotches all over; very common, 3.30 by 2.01. 

 No. 7. Deep glaucous green; few black spots, mostly with light greenish centers; very rare, 3.10 



by 1.95. 

 No. 8. White, nearly equally covered with obscure and a few black spots; no blotches; uncommon, 



2.95 by 2.00. 

 No. 9. White, the smallest of thousands; large light brown or yellowish spots, many obscure; rare, 



2.86 by 1.90. 



