OCEAirODROMA. 149 



1. Porto Santo Island, Madeira Group, Hon. C. Baring & W. R 



24th June (Padre Schrrdtz). Ogilvie Grant, Esq. [P.]. 



1. Porto Santo Island, 24th June. Padre Schmitz [0.1. 



1. Porto Santo Island, 20th Dec. Padre Schmitz [O.J. 



Oceanodroma macrodactyla, Bryant. 



Ooeanodroma macrodactyla, Salvin, Cat. Birds B. M. xxv. p. 351 (1896) ; 

 Anthony, Auk, 1898, p. 141 ; Sharpe, Sand-l. i. p. 121 (1899). 



The eggs of the Guadaloupe Petrel in the Collection are much 

 stained, but a zone of pink specks round the thicker 6nd is 

 clearly visible. They are broad ovals in shape, and measure 

 respectively : 1-38 by 1-06 ; 1-36 by 1-04. 



2. Guadaloupe Island, Lower California, A. W. Anthony, Esq. [P.]. 



24th March. 



Oceanodroma socorroensis, 0. H. Townsmd. 

 (Plate XI. fig. 6.) 



Oceanodroma socorroensis, Salvin, Cat. Birds B. M. xxv. p. 352 (1896) ; 

 Anthony, Auk, 1898, p. 141 ; Sharpe, Hand-l i. p. 121 (1899J. 



The eggs of the Socorro Petrel in the Collection are elliptical in 

 shape and white, marked with pink specks and dots at the broader 

 «nd. In one, these form a cap ; in the other, an indistinct zone, 

 a few specks being also scattered over the shell. They measure 

 respectively 1-2 by -87 ; 1-2 by -9. 



2. San Benito Island, Lower California, A. W. Anthony, Esq. [P.]. 



12th July. 



Oceanodroma melania (Bp.). 

 (Plate XI. fig. 3.) 



Cymochorea melania, Baird, Brewer 8f Ridgw. Water Birds N. Am. ii. 



p. 411 (1884). 

 Oceanodroma melania, Saloin, Cat. Birds B, M. xxv. p. 353 (1896) ; 



Anthony, Auk, 1898, p. 141 ; Sharpe, Hand-l. i. p. 121 (1899). 



The eggs of the Black Petrel are broad ovals, closely approaching 

 the elliptical form. They are smooth, glossless and plain white, 

 without a trace of markings. Four examples measure respectively ; 

 1-35 by 1-05 ; 1-37 by 1-07 ; 1-35 by 1-04 ; 1-35 by 1-03. 



1. Sam Benito Island *, 10th July {A. W. Salvin-Godman Coll. 

 Anthony). 



3. San Benito Island, 12th July. A. W. Anthony, Esq. [P.]. 

 1. San Benito Island, 27th July {A. W. Salvin-Godman Coll, 



Anthony). 



* A label accompanying this egg ascribes it. to 0. socorroensis, but obviously 

 by an oversight. 



