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EASTERN KNOT. 
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being blackish with broad grey edges. In a similar state of plumage, American 
birds show more greyish colour above, but the under-surface shows many 
scattered feathers with sagittate dark markings among the rusty, while 
European ones show the same sagittate markings on the under-surface but 
the back is conspicuously darker, the grey edgings being less and the black 
centres more prominent. » 
I have named this Eastern Asiatic bird — 
Canutus canutus rogersi, 
while the American bird would seem to have for its name Canutus canutus 
rufus Wilson. 
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