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THE ANIMALS OP NEW ZEALAND 



Prion hauksi. 



Whiroia. 



Similar to the last in colour but smaller, and the lamellae of the 

 maxilla visible near the base only when the bill is closed. Chin half 

 feathered. Length of the wing, 8.5 in.; of the tarsus, 1.3 in.; breadth 

 of the bill at the end of the tube, 0.5 in. Breeds on the Auckland 

 Islands. 



Whale Birds. 



Prion desolatus. 



Similar to the last in colour, but with a smaller bill. The sides of 

 the maxilla are nearly straight, and the lamellae are not visible when the 

 mouth is closed. Chin half feathered. Length of the wing, 8.5 in.; of 

 the tarsus, 1.3 in.; breadth of the bill at the end of the tube, 0.3 to 0.35 in. 

 Egg — 1.9 in. in length. Breeds on Antipodes Island. 



Prion ariel. 



Similar in colour to the others, but with a paler crown. Bill much 

 narrower and more compressed; the sides of the maxilla nearly straight. 

 Chin fully feathered. Length of the wing, 6.8 in.; of the tarsus, 1.2 in. 

 Breeds on the northern part of New Zealand. Much has yet to be learned 

 about the breeding-places of the whale birds. 



