Aves. 145 



they swept low over the peninsula like a cloud. Although I never 

 found them on Geikie Land, I believe that they have their nests in 

 that vicinity." On the 25th November, 1899, he says that a heavy 

 gale started from the S.E. . . . and that large flocks of Brown-backed 

 Petrels pierced the air (p. 226). 



Dr. Eacovitza (p. 18) says that this species was a rare visitor to 

 the 'Bclgica.'' 



PRIOCELLA, Hombr. and Jacq. 

 Priocella glacialoides. 



Proeellaria glacialoides, Smith, 111. Zool. S. Afr. Aves., pi. 51 (1840); Gould, 

 B. Austr., Vir., pi. 48 (1848); Buller, B. N. Zeal., p. 301 (1873); Moseley, 

 Notes Nat. ' ChaUenger,' p. 134 (1879, Tristan da Ciinha). 



Thalassoeea glacialoides, Coues, Proc. Nat. Sci., Philad., 1866, p. 393; Gigl., 

 Faun. Vert. Oceano, p. 47 (1870) ; Salvin, P. Z. S., 1878 (ice-barrier, Feb.) ; 

 Moseley, Notes Nat. Chall., p. 253 (1879, edge of pack ice) ; Buller, B. N. 

 Zeal., 2nd ed., II., p. 228 (1888) ; Bernacchi, S. Polar Kegions, p. 315 (1901) ; 

 Saunders, Antarctic Manual, pp. 230, 236 (1901). 



Thalassoeea tenuinostris, Sharpe, Phil. Trans. CLXVIIl. (extra vol.), p. 123 

 (1879, Kerguelen Isl). 



Priocella glacialoides, Baird, Brewer, and Ridgw., Water Birds, N. Amer., II., 

 p. 373 (1884); Salvin, Cat. B. Brit. Mus., XXV., p. 393 (1896); Sharpe, 

 Hand-list B., J., p. 125 (1899). 



Tagalassoica glacialoides, Borchgrevink, First on Antarctic Cont., pp. 65, 66 

 (1901). 



Silver Petrel, Hanson, 1. s. c, pp. 86, 87, 90, 92, 93. 



Nos. 52, 54 K. ? ad. Shot on the pack-ice, 62° 52' S.L., 

 159° 25' E.L. 53 K. $ ad. Dec. 31st, 1898. 



Iris brown; bill flesh-colour, tip and nostrils grey ; feet pale 

 grey, webs flesh-colour. 



No. 62 K. $ ad. Shot on the pack-ice, 63° 40' S.L., 160° 36' 

 E.L., Jan. 4th, 1899. 



Nos. 73, 74, 75 K. $ . 72, 76, 77 K. $ ad. Shot on the pack- 

 ice, 65° 3' S.L., 161° 42' E.L., Jan. 12th, 1899. 



a. $ ad. Shot on the pack-ice, Feb. 6th, 1899. 



Of this Silver-grey Petrel, Mr. Howard Saunders writes as follows 

 (' Antarctic Manual,' p. 230) : — " The range of this species extends 

 along the Pacific coast of America, occasionally as far north as 

 Washington Territory, and also to the Cape Seas ; while Kerguelen 

 Island seems to be a breeding-place, although I am not aware of any 

 authenticated eggs. It reaches the ice-barrier, and a specimen was 



L 



