. The animals of New Zealand; an account of the dominion's air-breathing vertebrates . Black-billed Gulls. Key io the Families. 1. Nostrils on each side of the bill. Nostrils on the upper surface of the bill.•2. Nostrils distinct. Nostrils united, or nearly First quill the longest. Second quill the longest. Diomedeidse. .3 Peleeanoidse. Wilsons storm petrel 243 Family ; the nasal tube long and elevated. In all New Zealandstorm petrels the legs and feet are very long and slender, withthe outer and middle toes nearly equal. Only ten secondar
. The animals of New Zealand; an account of the dominion's air-breathing vertebrates . Black-billed Gulls. Key io the Families. 1. Nostrils on each side of the bill. Nostrils on the upper surface of the bill.•2. Nostrils distinct. Nostrils united, or nearly First quill the longest. Second quill the longest. Diomedeidse. .3 Peleeanoidse. Wilsons storm petrel 243 Family ; the nasal tube long and elevated. In all New Zealandstorm petrels the legs and feet are very long and slender, withthe outer and middle toes nearly equal. Only ten secondaryfeathers in the Wilsons storm Petrel. (Meyer.) Key to the New Zealand kStoim Petrels. 1. Upper tail coverts tail coverts grey. 2. Webs of the toes of the toes black. 3. Forehead and throat and throat white. 2 3O. marina. Genus booted; the claws sharp. World wide. Wilsons Storm Petrel. Oceanites oceanic us. Sooty black; the upper tail coverts and outer feathers of the ventwhite. Bill black. Legs and toes black, the webs yellow on the inner 244 THE ANIMALS OF NEW ZEALAND portion. Length of the wing, 0 inches; of the tarsus, inch. Egg^White, with numerous pinkish dots, which sometimes form a zone roundone end; length, inch. This bird is not very common in New Zealand seas. Mr. Grouldstates that it is exceedingly active when flying, its wings beingkept fully expanded, and that it also makes considerable use ofits feet in patting the surface of the water, with its wingsextended upwards, and its head inclin
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