156 PUPFINIDiB. 



Pufflnus nativitatis, Streets. 



Puffinus nativitatis, Lister, P. Z. 8. 1891, pp. 295, 300 ; Salvin, Cat. 

 Birds B. M. xxv. p. 389 (1896) ; Sharps, 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 MAJAaUEUS, Beiehenb. 



Majaqueus seqninoctialis (Linn.). 



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



Majaqueus sequinoctialis, Sharps, Phil. Trans. 168. p. 119 (1879) ; 



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



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



B. M. xxv. p. 395 (1896) ; Sharpe, Hand-l. i. p. 126 (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. Voy. H.M.S. ' Challenger.' 



2. Kerguelen Island, 19th Nov. (A. E. Royal Society [P.]. 

 Eaton). 



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



2. Kerguelen Island, 8th Dec. (^.S.^.). Royal Society 

 2. KerguelenIsland,12thDec. (yi.^.JS.). Royal Society 



1. KergueleuIsland,13thDec.U-S.-S.). Royal Society 



2. KerguelenIsland,27thDec.(^.^.^.). Royal Society 



Genus (ESTRBLAT«l, Bjj.- 



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. 



i 



P. 

 P. 



(Estrelata lessoni (Oarn.). 



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

 t. c. p. 164 (1879) ; Salvin, Zool. ' Challenger ' Bxped. 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. r y ,. , , 



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 ProceUaria tegui- 

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

 of this species. 



