BANKS DOVE PETKEL 



63 



with white; whole under surface white; aides of breast ashy-blue; bill 

 black. Total length about 11 inches, wing 8.5, tail 3.6, bill 1.4, tarsus 1.3. 



Nest an unusually long burrow; the white egg measures 

 about 1.98 X 1.44 inch. 



The Broad-billed Dove Petrel. 



Prion vittatus. 

 Southern Ocean between lat. 40° and 60° S. 



Upper surface ashy-blue, darker on head and below eye; small wing- 

 coverts, band across back, and outer primaries black, under surface white. 



"Yictorian Naturalist." A. H. E. Mattingley. 



Dove-like Prion and Young: Prion desolatus. 



Nest either a burrow or under rocks or in crevices ; the single 

 white egg measures about 1.88 x 1.41 inch. 



Banks Dove Petrel. 



Prion hanksi. 



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

 Very similar to P. vittatus, but bill not so wide (0.5in.) ; the 

 lamellsa Of the maxilla just visible near the rictus when the bill is 

 closed. 



Nest a burrow, usually on declivities; the white egg 

 measures about 1.99 x 1.46 inch. 



