< 
Pee ble ys. 
inner as far as the firft joint; and to the outer, to the middle of the 
fecond *.” 
“ The two laft mentioned are, no doubt, birds not in full plumage, 
That defcribed by Dr. Sparrman is clearly under the fame predica- 
ment; perhaps a ftill younger bird than either of the others, as the 
cinereous parts on the throat appear white, with three or four lines of 
black, and acrofs the lower part of the neck is a band of white. The 
bird figured in acguia feems an adult.” 
That mentioned by Buffon was feventeen inches in length; had 
the breaft mottled with ferruginous ; and a white fpot on the quills. 
* This fpecies was unknown to Linnzus, but according to his definition, 
evidently belongs to the genus Cotymsus: Latham obferves, that 
Linneus has erroneoufly included the Grebes, Divers, and Guillemots into 
that genus without even a divifion, though they very materially differ from 
one another; efpecially in the legs: thofe of the Gredes are not webbed ; the 
Guillemots, though web-footed, have only three toes, all placed forwards; 
and the Divers have three toes before, and one behind. 
He therefore thinks that they fhould be feparated ; and as the form of 
the feet of this fpecies appears to prevail throughout the genus, recommends 
its being included with the other parts of its effential charaCter; he has 
named his new genus PoDICEPs. 
Pennant has alfo fubmitted to a divifion of the nee gents. © The 
Grebes and Divers are placed in the fame genus, 7. e, of Colymbi, by Mr. Ray 
and Lixmeus; but the difference of the feet forbade our judicious friend, 
M. Brifin t+, from continuing them together; whofe eearaDe we have fol- 
lowed.” Brit, Zool. 2.496. 
+ See Brif. Oru, vol. Vi. Pe 33+ 70. 104. 
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