64 THE BIRDS OP ATJSTEALIA 



The Dove Petrel. 



Prion desolatus. 



Southern oceans, usually between lat. 35° and 60° S., but even south 

 to Ice Barrier. 



Similar to P. vittatus and P. ianTcsi, but with a stOl smaller bill than 

 the latter; the sides of the maxilla are nearly straight, not convex, and 

 the lamellae are not visible near the rictus when the bill is closed. 



Nest in a burrow, or under rocks or vegetation, or in crevices, 

 visually lined with a little vegetation. The single white egg 

 measures about 1.94 x 1.33 inch. 



The Fairy Dove Petrel. 



Prion ariel. 



Southern Ocean, usually between lat. 35° and 60° S. 



Similar in colour to other Prions, but with paler crown, hardly 

 differing from the tint on the back; spot below eye also lighter; terminal 

 dark band of tail wider, bill much narrower, lamellae invisible when bill 

 is closed. 



Mest either in burrows, under rocks or vegetation or in 

 crevices. The single white egg measures about 1.76 x 1.21 inch. 



Family Pelecanoididm. 

 Nostrils separate ; second primary slightly longest. 



The Diving Petrel. 



Pelecanoides urinatrix. 



Australian and New Zealand seas, also Cape Horn and Falkland 

 Islands. 



Upper surface shining black; inner scapulars grey in the inner 

 webs and edged with white; under surface white, sides of neck greyish. 

 Total length about 8 inches, wing 4.7, tail 1.4, bill 0.9, tarsus 1. 



Nest either in a crevice or under a rock or in a short burrow. 

 The single white egg measures 1.60 x 1.21 inch. 



