WHITE-TAILED HAWK. 
13 
2. FALCO DISFAB, BONAPARTE. WHITE TAILED HAWK. 
BONAPARTE, PLATE XI. FIG. I. 
This beautiful hawk, which we recently discovered 
? an inhabitant of North America, is so strikingly 
7‘W,o the black- winged hawk ( Falco melanopterus *) 
o the Old Continent, that we have hitherto considered 
win as identical, contrary to the opinion of Vieillot, 
' ’. os ® authority, it is true, could in this case be of little 
otli *, as ' le had not seen the species, but like many 
"Ts had merely given it a name ; his sole knowledge 
it being derived from the work of D’A/ara. We 
a 'c now yielded only to the decision of Temminck, 
10 uns lately introduced the young into his Planches 
° orieesj) but not without much reluctance, especially 
i* that distinguished ornithologist has evidently not 
a t the trouble of comparing the two species; 
th '■ 1 " ’ se > l le would certainly not have omitted noticing 
i. e ’ r uuinities and differential characters; since in the 
*°W ‘h species so closely allied as these two, the 
„ ( ,^ , 'tiul characters are of more importance and 
7p|y than the most laboured descriptions, 
ins comparison we have carefully instituted between 
Orn. 2, p. 152, Sp. 124. Lath. 
d. Suppl. p. 12, Sp- 38. 
is. d'Jigyp. p. 98, pi. 2, f. 2. 
t. 8. p. 240, (now Elanoides . ) 
,. Zuol. Misc. 3, p. 4, pi. 122. 
in Tr. Lin. Soc. 15, p. 185. 
I'Afr. 1, p. 147, pi. 36, mule, 37, 
5yn. Suppl. 2, p. 28, Sp. 23. 
Suppl. 2, p. 52, Sp. 59. 
ruivings, in a collection that Mr 
■as kind enough to shew me lately 
add to these already numerous 
i. Ind. Suppl. ( Circus axillaris , 
/ *, 7 c /< 0 "“danopterus, Daud, 
Ind Suppl. p. 6 . Sp. 16. 
Paloo Sonninensis, Lath. 1 
Manns cccsius, Savicnv i 
ViMll. Nouv. put. d'Hilt. N 
JManus melanopterus , Leac 
Vigors, Descr. Austral, Birds 
Le. Blac , Le Vaillant, Ois. 
young male. 
•fitac/*- winged falcon , Lath. 
Somuni's falcon, Lath. Syn 
-The inspection of original 
. ra y? ( >f the British Museum, ■ 
* n London, has enabled me t 
yovnyms, Falco axillaris , Lat 
vieilh !) f r o m New Holland. 
