51 
Genus CESTRELATA. (Chiefly confined to the Southern 
Hemisphere ) 
CEstrelata cookii, Gray. Cook’s Petrel. (Case XII. 
No. 4.) 
Common in the Hauraki Gulf, where it frequents the 
small islands and nests in subterranean burrows in association 
with the Tuatara lizard [Sphenodon punctatum). 
Genus OSSIFRAGA. (Southern Hemisphere.) 
Ossifraga gigantea, Gmelin. Giant Petrel or “Nelly.” 
/ i/ 
(Case XII. No. 5 : albino.) 
This fine Petrel is universally dispersed over the temperate 
and high southern latitudes. The beautiful albino in the 
Collection was sent from New Zealand for exhibition at the 
Indian and Colonial Exhibition, 1886. 
Genus PUFFINGS. (Both Hemispheres.) 
1. Puffinus griseus, Gmel. Mutton-bird. “ Titi.” (Case 
XI. No. 2.) 
This species is very abundant, and forms an important 
article of food to the Maoris, who preserve the birds in their 
own fat, and store them in calabashes for future use. 
2. Puffinus gavius, Forst. Rain-bird. “ Hakoakoa.” 
(Case XI. No. 1.) 
This Petrel, which enjoys a wide oceanic range, is compara¬ 
tively common in the seas surrounding New Zealand ; and 
after stormy weather it is frequently picked up either dead or 
in an exhausted state, among the sea-drift in the open strand. 
Genus MAJAQUF^US. (Southern Hemisphere.) 
1. Majaqueus parkinsoni, Gray. Black Petrel. “Toa- 
nui.” (Case XII. Nos. 8 and 10: male and female.) 
Frequents the Hauraki Gulf, resorting to the Little Barrier 
and the adjacent islands to breed, burrowing long chambers 
under ground for that purpose. 
