148 PBOCELLAEIID^. 



dots scattered over the shell, but they are so few and so small 

 that they might easily escape notice. Ponr examples measure 

 respectively : 1-1 by -83 ; 1-05 by -78 ; -97 by -75 ; 1-04 by -73. 



3. San Benito Island, Lower Cali- A. W. Anthony, Esq. [P.]. 



fornia, 12th July. 



1 Sail Benito Island, 25th July Salvin-Godman Coll. 



(A. W. Anthony). » 



Genus OCEANODROMA, Reichemb. 



Oceanodroma leucorrhoa ( V.). 



Procellaria leachii, TMen. Fortpflanz. ges. Voff. tab. xcii. fig. 9 (1845-64) ; 



Seebohm, Brit. Biris, iii. p. 443, pi. 56 (1885). 

 Thalasaidxoma leachii, Baedeker, Eier Eur. Vog. tab. 55. fig. 2 (1855-63). 

 Thalassidroma leucorrhoa, Dresser, 5iVi^s Eur. yni. p. 497 (1874) ; Dixon, 



7Ks, 1885, p. 95. 

 Cymochorea leucorrhoa, Baird, Brewer Sf Bidgw. Water Birds N. Am,. 



ii. p. 407 (1884). 

 Oceanodroma leucorrhoa, Seebohm, Eggs of Brit. Birds, p. 75, pi. 20. 



fig. 7 (1896) ; Salvin, Cat. Birds B. M. xxv. p. 348 (1896) ; Sharpe, 



Hand-l. i. p. 121 (1899). 



The eggs of the Pork-tailed, or Leach's, Petrel are either of an 

 elliptical or of a broad oval form, glossless, fairly smooth and white, 

 marked at one end with a zone of minute pinkish dots and specks. 

 They measure from 1"17 to 1*3 in length, and from '9 to "1 in 

 breadth. 



1. St. Kilda (Sir W. Milner). Seebohm Coll. 



2. Dun, St. Kilda, 10th June Seebohm Coll. 



(C. Dixon). 



1. Bt. 'EM.a, [Tristram Coll.). Salvin-Godman Coll. 



2. N. America {Senshaw Coll.). Salvin-Godman Coll. 

 2. Great Menan Island, Bay of Fundy, Salvin-Godman CoE. 



New Brunswick (S. E. Dresser). 

 2. Bay of Fundy. Salvin-Godman CoU. 



4. Bay of Fundy, June. Seebohm Coll. 



Oceanodroma castro (Harcoun). 

 (Plate XI. fig. 4.) 



Thalaasidroma castro, Sarcourt, Sketch of Madeira, pp. 123, 166 (1851) : 



id. Ann. 8f Mag. Nat. Hist. (2) xv. p. 436 (1855). 

 Oceanodroma cryptoleucura, Salvin, Cat. Birds B. M. xxv. p. 350 (1896) ; 



Qrant, Ibis, 1896, p. 53 ; Dresser, Birds Eur. ix. (Suppl.) p. 395 



(1896). 

 Oceanodroma castro, Grant, Ibis, 1898, p. 314 ; Sharpe, Hand-l. i. p. 121 



(1899). 



The eggs of Hareourt's Petrel closely resemble those of 0. leucor- 

 rhoa. The three examples in the Collection measure respectively • 

 1-3 by -94 ; 1-25 by -96 j 1-28 by -97. 



