160 PUFFINID^. 



Genus HALOB^NA, Is. Geoffr. 



Halobsena caerulea {Gm.). 



Ualohasna cxrulea, SJiarpe, PMl. Trans. 168. p. 141 (1879); Smmders, 

 t. c. p. 165 (1879) ; Buller, Birch New Zeal. 2nd ed. ii. p. 214 

 (1888) ; Salvin, Cat. Birds B. M. xxv. p. 431 (1896) ; Sharj^e, Hand-l. 

 i. p. 127 (1899). 



The eggs of the Blue Petrel vary from a broad oval to an elliptical 

 form, and are smooth and often plain white. Some, however, are 

 marked with numerous very minute rufous dots over the greater 

 portion of the shell. They vary in size from 1-92 to 2 in length, 

 and from 1*45 to 1-57 in breadth. 



1. Kerguelen Island, 29th Oct. Royal Society [P.]. 



{A. E.Eaton). 

 4. Kerguelen Island, 24th Nov. Royal Society [P.]. 



{A.E.'E.). 



Genus PEION, Lacep. 

 The eggs of the Petrels of this genus are for the most part- 

 elliptical in form, both ends of the eggs being quite similar. Occa- 

 sionally they are of a broad oval form and rarely spheroidal. 

 They are fairly smooth in texture, plain white and glossless. 



Prion vittatus (Gm.). 



Prion vittatus, Gould, Handh. Birds Ansir. ii. p. 474 (186ij) ; Travers, 

 Tr. N. Z. List. V. p. 220 (1872) ; Buller, Birds Netc Zeal. 2ud ed. ii. 

 p. 212 (1888) ; Forbes, Ibis, 1893, p. 542 ; Salvin, Cat. Birds B. M. 

 xxv. p.' 432 (1896) ; Sharjie, Hand-l. i. p. 128 (1899). 



Prion australis, Potts, Ibis, 1873, p. 85. 



The eggs of the Broad-billed Petrel measure from 1-85 to 2-06 in 

 length, and from 1-35 to 1-45 in breadth. 



2. St. Paul's Island, Indian Ocean. Gould Coll. 



3. St. Paul's Island, Jan. (J. Mac- Voy. H.M.S. ' Herald.' 



yillivray). 



Prion desolatus (Gm.). 



Prion turtiir, Travers, Tr. N. Z. Imt. v. p. 220 (1872) ; Buller, Birds 

 New Zeal. 2nd ed. ii. p. 209 (1888) ; Le Souef, Ibis, 1895, p. 418. 



Prion desolatus, Sharpe, Phil. Trans. 168. p. 137 (1879) ; Saunders, t. c. 

 p. 105 (1879); Salvin, Zool. 'Challenger'' Exped. ii. pt. viii. p. 145 

 (1880) ; Scl. t. c. p. 151 (1880) ; Salvin, Cat. Birds B. 31. xxv. p. 434 

 (1896) ; Shai-pe, Hand-l. i. p. 128 (1899) ; Hall, Ibis, 1900, p. 29. 



The eggs of the Dove-Petrel measure from 1-8 to 2-05 in length, 

 and from 1*24 to 1'46 in breadth. 



21. Kerguelen Island. Voy. H.M.S. ' Challerger." 



""4. Kerguelen Island, 29th Nov. Royal Society [P.], 



{A.E.Eaton). 

 1 Kerguelen Island, 13th Dec. Royal Society [P.]. 



{A. E. E.). 



\ 



