MONOGEAPH OF THE PETRELS. 



The description is taken from the female obtained by Mr. R. H. Beck 

 in the Pacific (vide supra). The male is from Clarion Island, and both birds are in the 

 Rothschild Collection. The figure in the Plate has been drawn from one of the typical 

 specimens in the U. S. National Museum (Cf. Salvin, Cat. Birds Brit. Mus., XXV., 

 p. 380). The colour of the feet and bill have not yet been described. 



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