LITTLE-KNOWN SPECIES OF ACCIPITRES. 265 
5, Syrnium albigulare, Cass. (Journ. Ac. Phil. vol. ii. pl. 4. p. 52).—S. macabrum, Bp. ; 
S. albipunctatum, G. R. Gray in Mus. Brit. From Bogota. 
4, Scops usta, sp.nov. (Pl. LX1.) 
Supra saturate castaneo-brunnea, plumis omnibus nigro subtilissime vermiculatis : facie 
et gula pure castaneo-brunneis, hac pallidiore: linea post regionem auricularem, 
cornuum capitis extantium marginibus latis et pileo supero nigris: alarum pennis 
pallide castaneo-brunneis nigro punctulatis, intus autem ochracescenti-albidis, quinque 
aut sex fasciis latis in pogonio externo, maculas quadratas efficientibus, nigris trans- 
vittatis ; cauda ex eodem colore sed fasciis nigris pene obsoletis: subtus clarius 
brunnea, lineis angustis longitudinalibus, scapas plumarum occupantibus, nigris parce 
notata: tectricibus alarum inferioribus sordide albis: tarsis pallide fulvis: rostro et 
pedibus flavis. 
Long. tota 8°5, ale 7:0, caude 4:0, tarsi 1:2. 
Hab. Ega, on the Upper Amazon (H. W. Bates). 
This species is founded on the Scops which I have mentioned as occurring in Mr. Bates’ 
collection from the Upper Amazon, in the ‘ Proceedings of the Zoological Society ’ for 
1857, p. 261. It is distinguishable from every other South American member of the 
genus, as far as I am acquainted with them, by its rich brown colouring above and 
below, and by the longitudinal lines below not being crossed as in Scops choliba and S. 
atricapilla. 1 am inclined to refer the Scops which was contained in M. Verreaux’s col- 
lection from the Rio Napo to this species. It presents nearly the same appearance 
on its lower surface ; but the colouring above is more like that of Scops choliba, and I 
think it is probably a young bird. The birds of this genus are difficult to distinguish, 
and I have been unable to identify the present example with any of ten species which 
have been already described as inhabiting different parts of America, as follows :— 
1. Scops asio (Linn.), Cassin, Birds of Californ. p. 179. 
Hab. Whole of N. America ; chiefly Atlantic States. -Mus. Brit. 
2. Scops maccalli, Cassin, Birds of Californ. p. 180. 
Hab. Texas and N. Mexico. 
3. Scops flammeola, Kp.—Strix flammeola, Licht. in Mus. Berol. 
Hab. Southern Mexico. 
4. Scops choliba, Vieill.—Stria crucigera et undulata, Spix. 
Hab. Cayenne, Brit. Guiana, Brazil, Eastern Peru, Bolivia, and New Granada. Mus. 
Brit. 
5. Scops portoricensis, Less. : Des Murs, Icon. Orn. pl. 26. 
Hab. Puerto Rico and New Granada. Mus. Paris. 
