S57 



DIVING HALODROME. 



(Halodroma urinatrix.) 



Ha. Jusco-nigricans subtus alba, gula plicata nigra. 

 Dusky-brown Halodrome beneath white, with a dilatable black 

 throat. 



Procellaria urinatrix. Gmel. Syst. Nat. 1. 560. Lath. Ind. 

 Orn. 2. 827. 



Diving Petrel. Lath. Gen. Syn. 6.413. Lath. Gen, Hist. x. 

 194. 



This singular bird is the size of the Common Sea- 

 Dove: its length is eight inches and a quarter: its 

 beak is stout and black, with the middle of its lower 

 mandible white on the sides ; its irides are dusky- 

 blue : the upper parts of the plumage are dark-brown : 

 the chin is black, and the rest of the under parts are 

 white : the wings are rather shorter than the tail : 

 the legs are bluish-green : the webs black. 



Inhabits New^ Zealand in large flocks, sporting and 

 diving on the surface of the water, and frequently to 

 a considerable distance, with great activity. They 

 are said to croak like frogs, or to make a noise like 

 the cackling of a hen. 



V. XIII. p. I. 



17 



