. The animals of New Zealand; an account of the dominion's air-breathing vertebrates . II Aiirldfiml Mauds.) iri„i,Mollyiuawks on Nest. The Grey-headed Mollymawk. Thalassarche culminaius. The colours are the same as in the last species; but the yellow on theupper margin of the bill narrows slightly behind the nasal tubes, and the THE YELLOW-NOSED MOLLYMAWK 279 black membrane behind the tubes is much broader, the two from eachside just meeting at the base of the bill; also there is no blackish markin front of the eye. Length of the wing, 20 inches; of the tarsus, In the yonng- bird


. The animals of New Zealand; an account of the dominion's air-breathing vertebrates . II Aiirldfiml Mauds.) iri„i,Mollyiuawks on Nest. The Grey-headed Mollymawk. Thalassarche culminaius. The colours are the same as in the last species; but the yellow on theupper margin of the bill narrows slightly behind the nasal tubes, and the THE YELLOW-NOSED MOLLYMAWK 279 black membrane behind the tubes is much broader, the two from eachside just meeting at the base of the bill; also there is no blackish markin front of the eye. Length of the wing, 20 inches; of the tarsus, In the yonng- bird the bill is entirely dark, and the head, neck,and lower surface are brown. It is not uncommon on the coastsof New Zealand, but its breeding-place has not yet been Grey-headed Mollymawk. (Grays Gein-m of Birds.) The Yellow-nosed Mollymawk. Thalassarchc cldovorhrindius. Like the last in colour, but the head is white. Bill, black; the upper-margin, yellow, passing into orange at the tijj; the yellow narrows rapidlybehind the nostrils. The black membrane behind the tubes is very broad,and the two from each side unite together broadly at the base of the black mark in front of the eye. Length of the wing, inches; of thetarsiis, inches. As in the case of the last species, this bird is not uncommon onthe coasts of New Zealand, and the breeding-place has also to bediscovered. 280 THE xVNIMALS OF NEW ZEALAND Genus PJioehetria. Sides of the mandible with a deep longitudinal groove. Taillong and pointed. Southern Ocean. The Sooty Albatross.—Toroa-pangoFlioehetria fuliginosa. Sooty brown, darkest on the face. Back and abdomen, grey; lighteston the shoulders. Bill, black. The gioove on the mandible, blue. Legsand feet, yellow. Young, entir


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