^51 



forster's prion. 



(Pachyptila Forsteri.) 



Pa. ccBrulescens subtus alba, remigibus rectricibus apice Jasciaque 



alarum expansarum J'zisco-nigris. 

 Blue Prion beneath white, with the quills, tail-feathers, at the 



tip, and band on the expanded wings, brown -black. 

 Procellaria vittata. Gmel. Sijst. Nat. 1. 560. Lath. Ind. Orn. 



2. 827. 



Le Petrel Bleu. Buff. Hist. Nat. Ois. 9. 316. 

 Vittated Petrel. Forst. Voi/age, 1. 153. 

 Blue Petrel. Cook's Voi/age, \.p. 29. 



Broad- billed Petrel. Lath. Gen. Syn. 6. 414. Lath. Gen, Hist. 

 X. 195. 



In length twelve inches : its beak is blue-grey, an 

 inch and a quarter in length, and nearly an inch 

 broad at the base ; both mandibles are bent at the 

 point, and have their edges slightly notched : the 

 i^ostrils are placed in a very short tube : the pre- 

 vailing colours of the plumage are bluish-ash on the 

 upper parts of the body, with some of the feathers 

 brown in the middle, and white on the sides of the 

 head and under parts : beneath the eye is a dusky- 

 black streak : the quills and the tips of the six middle 

 tail-feathers are deep dusky black : the legs are black. 

 The female has the beak somewhat more slender. 

 Both sexes possess, when the wings are expanded, a 

 dark band from the tip of one wing to that of the 

 other, which crosses the back. And also (according 

 to Forster) an amazing thick plumage, having two 



