LITTLE-KNOWN SPECIES OF ACCIPITRES. 265 



5. Syrnium albigulare, Cass. (Journ. Ac. Phil. vol. ii. pi. 4. p. 52). — S. macabrum, Bp. ; 

 -S. albipunctatum, G. R. Gray in Mus. Brit. From Bogota. 



4- 4. Scops usTA, sp. nov. (PL LXL) 

 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 pane obsoletis : subtus clarius 

 brunnea, lineis angustis longitudinalibus , scapas plumarum occupantibus, nigris parce 

 notata : tectricibus alarum inferioribus sordide albis : tarsis pallide fidvis : rostro et 

 pedibus Jiavis. 

 Long, tota 8-5, alae 7-0, caudse 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. I 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 jlammeola, Kp. — Strixflammeola, Licht. in Mus. Berol. 

 Hab. Southern Mexico. 



4. Scops choliba, Vieill. — Strix 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. pi. 26. 

 Hab. Puerto Rico and New Granada. Mus. Paris. 



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