156 



PT7FFINIDJE. 



Puffinus nativitatis, Streets. 



Puffinus nativitatis, Lister, P. Z. S. 1891, pp. 295, 300; Salvin, Cat. 

 Birds B. M. xxv. p. 389 (1896) ; Sharpe, Hand-l i. p. 124 (1899). 



The single egg of the Christmas-Island Shearwater in the 

 Collection measures 2-3 by 1*45. 



1. Phoenix Island, Phoenix Group, J. J. Lister, Esq. [P.], 

 Pacific Ocean, 29th June. 



Genus MAJACtUEUS, Reichenb. 



Majaqueus aequinoctialis (Linn.). 



Procellaria sequinoctialis, Layard, Ibis, 1867, p. 459. 



Majaqueus aequinoctialis, Sharpe, Phil. Trans. 168. p. 119 (1879) ; 



Saunders, t. c. p. 164 (1879) ; Salvin, Zool. ' Challenger ' Exped. 



ii. pt. viii. p. 143 ; Scl. t. c. p. 151 (1880) ; Salvin, Cat. Birds 



. M. xxv. p. 395 (1896) ; Sharpe, Hand-l. i. p. 125 (1899) ; Hall, 



Ibis, 1900, p. 21. 



The eggs of the Great Black Petrel are regular broad ovals, 

 fairly smooth and white. With incubation, however, the shell 

 becomes much stained. They measure from 2-83 to 3*4 in length, 

 and from 1-95 to 2-23 in breadth *. 



2. Kerguelen Island. 



2. Kerguelen Island, 19th Nov. (A. E. 

 Eaton). 



1. Kerguelen Island, 7th Dec. (A.E.E.). 



2. Kerguelen Island, 8th Dec. (A.E.E.). 

 2. Kerguelen Island, 12th Dec. (A.E.E.). 



1. Kergueleu Island, 13th Dec. (A.E.E.). 



2. Kerguelen Island, 27th Dec. (A.E.E.). 



Voy.H.M.S. < Challenger.' 

 Royal Society [P.]. 



Royal Society 

 Royal Society 

 Royal Society 

 Royal Society 

 Royal Society 



Genus (ESTRELATA., Bp. 



The Petrels of this genus lay white eggs. They are either of a 

 regular broad oval or of an elliptical shape. The shell is smooth 

 and without gloss. 



(Estrelata lessoni (Gam.}. 



(Estrelata lessoni, Sharpe, Phil. Trans. 168. p. 126 (1879); Saunders, 

 t. c. p. 164 (1879) ; Salvin, Zool. ' Challenger ' Exped. ii. pt. viii. 

 p. 144 (1880) ; Scl. t. c. p. 151 (1880) ; Salvin, Cat. Birds B. M. 

 xxv. p. 401 (1896) ; Sharpe, Hand-l. i. p. 125 (1899) ; .Hall, Ibis. 

 1900, p. 23. 



The eggs of Lesson's Petrel measure from 2*75 to 2*95 in length, 

 and from 1'92 to 2'05 in breadth. 



* The egg figured by Thienemann under the name of Procellaria &qui- 

 noctialis (Fortpflanz. tab. xcii. fig. 6) is much too small to be accepted as that 

 of this species. 



