...In the breeding plumage, they are a sooty brownishor black color; the cheeks are white, and along tuft of straw colored feathers extends backfrom each eye; the bill is bright red and greenishyellow... 
Chester A. Reed 「The Bird Book」
...These Shearwatersare entirely sooty gray, being somewhatlighter below...
Chester A. Reed 「The Bird Book」
...The young are of a sooty brown, or nearly black, without anyindication of the light-coloured hood of the adult...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The colour is from a dark lead to a sooty black;according to Jerdon "when old with some lighter spots here and there;shining pearl-grey when dry...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...70 Sooty Tern, Wide-awake, Egg-bird, S...
John Albert Leach 「An Australian Bird Book」
...Crownsilvery white; rest of plumage sooty brown...
Frank M. Chapman 「Color Key to North American Birds」
...Abovesooty brown; tail closely mottled with blackish, rustyand whitish; below varying from white, more or less-spottedon belly to sooty brown...
Frank M. Chapman 「Color Key to North American Birds」
...Similar to , but underparts sooty gray; thedarkest below of any form in the group...
Frank M. Chapman 「Color Key to North American Birds」
...Top of headand nape sooty gray; a red-crown patch...
Frank M. Chapman 「Color Key to North American Birds」
...Similar to, but above sooty olive...
Frank M. Chapman 「Color Key to North American Birds」
...Crest, back and upper breast sooty brown; rump andbelly dark, (Antwerp) blue; forehead more or lessstreaked with blue...
Frank M. Chapman 「Color Key to North American Birds」
...9, more sooty above and below,underparts more heavily streaked...
Frank M. Chapman 「Color Key to North American Birds」
...3, plumage darker,more sooty, less rufous...
Frank M. Chapman 「Color Key to North American Birds」
...Above brownish sooty with a greenish tinge; a whitishmark above and behind eye; below white...
Frank M. Chapman 「Color Key to North American Birds」
...The common name, however, is retained and thespecies stands 95, Sooty Shearwater (Puffinus griseus)...
Frank M. Chapman 「Color Key to North American Birds」
... bankiva: one hen, however, from the white Cochin, which was at first coal-black, became slightly brown or sooty...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...On no accountmust the tan on the head extend on to the neck, normust there be any sooty or dark hair intermingled withany of the tan...
Mrs. Leslie Williams 「A Manual of Toy Dogs」
...Henceforth you shall wear stockings of sooty black insteadof the shining silver ones of which you are so proud...
Abbie Farwell Brown 「The Curious Book of Birds」
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