PETREL. 41S 



Zealand. On the north-weft part of Anchor IJle found in immenfe 

 numbers, among other fpecies 5 fome on the wing, and others in 

 woods, in holes, in the ground clofe to one another, or under 

 the roots of trees and crevices of rocks ; making a noife fimilar 

 to the croaking of frogs ; and fly much at night, fo as to be 

 taken for Bats. Thefe were not to be feen in the day-time, but 

 at three o'clock in the morning were very active, being diving 

 throughout the day, at fea, in queft of food *. Dr. Forjier ob- 

 ferves, that thefe birds are exceedingly well furnifhed with cloath- 

 ing, equal to the Penguin ; for " their plumage was amazingly 

 " abundant, and increafed their bulk in a great proportion ; and 

 * e two feathers, inftead of one, proceeded out of every root, 

 " lying within one another, and formed a very warm cover- 

 « ing |." 



21. 



Blue Petrel, Forft. Voy. i. p. 91, 



Another Blue Peteril, Cook's Voy. i. p. 3Z. BLUE P 



Br. Muf. 



L 



ENGTH twelve inches. Bill an inch and a quarter, blue, Description. 

 with a black tip ; middle of the bend yellow : the upper parts 

 of the plumage blue grey, but paler than the laft : under parts 

 white : beneath the eye a patch of dufky : on the breaft a dufky 

 band : the greater quills are fomewhat darker than the reft j and 

 the inner webs of fome of them nearly white : the tail the colour 

 of the back, but the outer feather is white ; the next white with- 

 in j the reft tipped with white : acrofs the body, and wings when 



* Forft. Voy. i. p. 153. — Qbf. p. 199. — Cook's laft Voy. i. p. 86, 

 f Forft. Voy. 1. p, 10 J. 



expanded, 



