244 THE ANIMALS OF NEW ZEALAND 



portion. Length of the wing, inches; of the tarsus, 1.8 inch. Egg^ 

 White, with numerous pinkish dots, which sometimes form a zone round 

 one end; length, 1.3 inch. 



This bird is not very common in New Zealand seas. Mr. Grould 

 states that it is exceedingly active when flying, its wings being 

 kept fully expanded, and that it also makes considerable use of 

 its feet in patting the surface of the water, with its wings 

 extended upwards, and its head inclined downwards, to gather 

 any food that may present itself floating on the water. 



Genus Garrodia. 

 Tarsus scutellate; the claws sharp. Southern Ocean only. 



The Grey-backed Storm Petrel. — ^Reoreo. 



i Garrodia nereis. 



Greyish black, darkest on the head; the tail with a black tip. 

 Abdomen white. Bill, legs, and feet black. Length of the wing, 5.25 

 inches; of the tarsus, 1.25 inch. Egg— White, with pinkish dots, prin- 

 cipally at one end; 1.3 inch in length. 



Goius Pelagodroma. 



Claws flattened and wide. The first primary much shorter 

 than the third. Southern and Atlantic Oceans. 



The White-faced Storm Petrel. 



Pelagodroma tnarina. 



Upper surface slaty brown; the upper tail coverts grey. Forehead, 

 a line over each eye, and lower surface white. Bill black. Legs and 

 toes black; the webs yellow in centre. Length of the wing, 5.8 inches; 

 of the tarsus, 1.6 inch. Egg — White, with' minute pink dots, principally 

 at one end; 1.4 inch in length. 



