ROSSORNIS. 
note, however, that many of the species referred to Caprimulgus have a similar 
wing-formation, while others agree with C. europceus in that feature. Hartert 
admitted forty-three species in his genus Caprimulgus, concluding : “ The 
American species cannot be separated generically.” Ridgway negatived 
this, accepting Antrostomus, proposed for G. carolinensis, as a valid genus, 
and remarked that this was abundantly distinct from Caprimulgus europceus, 
and very probably some of the other species classed in Caprimulgus were also 
separable. I am certain of this, but only here name one new genus, which I 
propose for Caprimulgus eximius Temminck. This is probably the most 
beautiful of the order, the glorious golden coloration being very attractive. 
It is well differentiated by means of this coloration, but in addition the wing 
has the tip composed of four primaries, the second and third subequal, the 
latter probably a little the longest, the first subequal to the fourth. The tail 
is long and square, but the legs are long for this group, the tarsus being longer 
than the middle toe and claw and, moreover, naked for more than half its length. 
This species was not in the British Museum when Hartert wrote his Catalogue, 
and thus his character for the genus Caprimulgus, where this was included, 
reads : “ Tarsus more or less feathered in front, shorter than middle toe with 
claw.” As this would thus appear an essential structural feature I propose 
the new genus name : Eximiornis for Caprimulgus eximius Temminck. 
As noted above, probably many more genera would be discriminated 
were this group critically studied in a systematic manner. 
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