Vor. II, Pt. 11] LOOMIS—A REVIEW OF THE TUBINARES 51 
Tail decidedly wedge-shaped 
Breast and abdomen dark......... P. chlororhynchus (dark phase) 
Breast and abdomen white 
Lower tail-coverts dark ........ P. chlororhynchus (light phase) 
Lower tail-coverts white 
Inner webs of primaries extensively white.......... P. bulleri 
Inner webs of primaries not extensively white....P. leucomelas 
Pagodroma nivea (G. Forster): SNowy PETREL 
Covrs—Pagodroma nivea, IV, 160, 171. 
Satvin—Pagodroma nivea, 419. 
Gopman—Pagodroma nivea, xlviii, 254, pl. 73. 
Procellaria nivea George Forster, Voyage round the World, 
1777, Vol. I, pp. 96, 98, antedates Procellaria nivea Gmelin ; cf. 
Mr. Gregory M. Mathew’s Birds of Australia, Vol. I, p. 174. 
Bulweria bulweri (Jardine & Selby): BuLWer’s PETREL 
Coves—4strelata Bulweri. TV, 158, 171. 
Satvin—Bulweria bulweri, 420. 
GopMAN—Bulweria bulweri, xlviii, 257, pl. 74. 
Messrs, Mathews and Iredale state that they “separate the 
Pacific-breeding Bulwer’s Petrel on account of its stronger 
bill.”* It will be noticed that no such superiority in size is 
manifested in the subjoined measurements. 
1Tbis, 1915, p. 607 
