124 [December 



One specimen of this species in the Rivoli collection is labelled " Orenoque," 

 and another in the collection of the Academy is probably from South America. 



I have named this bird in honor of Gavin Watson, M. D., of this city, a 

 gentlemen of extensive knowledge of natural history, much attached to the study 

 of the American Raptores, and an especial admirer of the Owls. 



Syrnium albo-gularis, nobis. Entire plumage above deep umber brown, 

 every feather more or less finely vermiculated and minutely spotted with black ; 

 on the head also transversely lined and spotted with pure white, especially in 

 the region of the occiput, where upon some feathers, the white spots are disposed 

 regularly in pairs, upon the opposite webs. 



Feathers of the back and rump having also three or four irregular transverse 

 lines, and irregularly spotted with pale brownish nearly white. Scapulars 

 broadly barred and edged with white. 



Lesser wing coverts with irregular lines of pale brownish, and with large 

 white marks on their external webs. Primaries with their external webs nearly 

 black, with about eight to twelve square spots or bands of fulvous. Internal 

 webs of primaries plain black or with obscure bands. 



Eyebrow white ; a large semicircular segment of white covering the jaws 

 and throat, interrupted at the base of the under mandible by a few brownish 

 feathers ; many of those white feathers conspicuously tipped with black, forming 

 a well defined semicircular discal collar, or ruff. 



Breast with a broad band of same umber brown as the back, every feather 

 irregularly lined and minutely spotted with black, many of the feathers also with 

 subrounded spots of pure white, occasionally disposed in pairs. 



Abdomen, flanks, and under tail coverts fulvous, every feather marked longitu- 

 dinally with black, and about one to three transverse marks of the same colour, 

 assuming a partially lyrate form ; these marks less distinct on the flanks. 



Tail umber brown, with about eight to ten irregular pale brownish white 

 bars; under surface paler. 



Plumage of the tarsi reaching nearly to the toes, pale reddish fulvous ; tibial 

 plumage darker, inclining to ferruginous; toes naked. 



Bill yellow. 



Total length about 9^ inches, wing 8, tail 4| inches. 



Hab. South America. 



Two specimens of this bird in the Rivoli collection are without label, a third 

 obtained in Paris by Mr. Edward Wilson is labelled " South America.'' 



I am acquainted with no species which in any considerable degree resembles 

 the bird now described, nor have I met with a description applicable to it. 



Syrnium virgaium, nobis. Plumage of the entire upper surface dark umber 

 brown, every feather having about three to five irregular transverse narrow 

 bands of sordid yellowish white, most numerous and distinct on the head and 

 rump. Upper tail coverts banded with pure white. 



Scapulars obliquely banded on their outer webs with fulvous, on their inner 

 webs more or less regularly banded with yellowish white. Wing coverts with 

 broader bands and also mottled and pointed at their tips with whitish. 



Primaries very dark brown, nearly black, external webs with about seven 



