Aves. 149 



68 H. $ ad. Pack-ice, 65° 3' S.L., 161° 42' E.L., Jan. 12th, 

 1899. {N.Hanson) Wing 11-8. 



a. 9 ad. Cape Adare, April 27th, 1899. Wing 10-6. 

 /;. 9 ad. Cape Adare, April 28th, 1899. Wing 9-9. 



c. $ ad. Cape Adare, April 29, 1899. Wing 10-6. 



d. ? ad. Cape Adare, April 30th. {H.B.Evans.) Wing 9-8. 



e. 9 ad. CapeAdare,Dec. 13th, 1899. {H.B.Evans) Wing 10 -6. 

 /. //. $ ad. Dec. 13th, 1899. {H.B.Evans) Wing 10-1. 



The difference in size between specimens of the Ice Petrel is 

 somewhat remarkable, and at first I thought that there must be two 

 species of Pagodroma, as the size of the bill is so much less in 

 certain individuals, and the length of the wing varies also. I have 

 therefore given the dimensions of the latter in the series of specimens 

 brought home by the ' Southern Gross,' and it will be seen that this 

 variation in the length of wing is not due to any difference of sex, 

 as in the males it ranges from 10*1 to 11*8 inches, and in the 

 females from 9*8 to 11*8 inches. 



The eggs are white, and measure : — Axis 2 '01 to 2*38 ; diameter 

 1-35 to 1-67. 



Mr. Howard Saunders gives the following concise account of the 

 range of this species : — " This bird has been obtained as far north as 

 the Falkland Islands, but it does not occur in any numbers until 

 Lat. 60° S. is passed, whence it can be traced as far southward as 

 man has penetrated. Every expedition has noticed it. Eoss found 

 it laying its bluish-white egg, measuring 2*2 by 1*6 inches, among 

 the crevices of the cliffs at Cockburn Island ; Surgeon Webster, of 

 H.M.S. ' Chanticleer,' met with the bird from January to March on 

 Deception Island, South Shetlands ; and the German expedition 

 found it nesting at the end of December on South Georgia. Prom 

 the Enderby Quadrant it has not yet been recorded." 



The Ice Petrel was first seen by Mr. Hanson {supra, p. 84) on the 

 31st of December, 1898, directly the ship got into the pack-ice, and 

 four specimens were preserved on that day. On the 1st of January, 

 1899, no less than fifteen of these birds were killed, and some were 

 preserved. On most days in this month he seems to have noticed 

 the species {supra, pp. 85, 86). On the 30th and 31st, when the 

 ' Southern Cross ' was still in the pack-ice, Mr. Hanson procured some 

 more specimens (p. 91). On the way north towards the open sea, he 

 records having seen a few Ice Petrels sitting resting on the ice on 

 the 9 th of February, but they do not appear to have been seen after 

 leaving the pack (p. 93). They were again found off Victoria Land 



