Mr. Selby on a new Species of Psaris. 483 



glossi differ very materially. And from the general accordance 

 of the bill of my bird with the description of that of M. 

 Vieillot's, — that member affording perhaps the strongest charac*. 

 ters for the determination of species in this group, — I should not 

 feel surprised at finding that the two birds are merely sexes of 

 the Same species. Until this fact however is actually ascertained 

 to be the case, I think it more accordant with the accuracy of 

 science to keep them separate. 



[To he continued.'] 



Art. LI. An Account of a new or fifth Species of the 

 Genus Psaris, Cuv. By P. J. Selby, Esq, F.L,S, 

 M.W.S,,8fc, 



Gentlemen, 

 On perusing Mr. Swainson'S paper, contained in the 7th Num- 

 ber of your Journal, giving an account of two new species of the 

 genus Psaris of M. Cuvier, I was led to refer to some notes 

 relative to this genus, which I made in Autumn last, during ah 

 excursion to the Continent undertaken principally for the purpose 

 of visiting the national Museums of Holland and France. Upon 

 comparing these with Mr. Swainson's descriptions, an additional 

 species, perfectly distinct from the two he has described, was 

 noticed ; and I am enabled from these notes, in conjunction with 

 a drawing of the Head of the Bird, made at the time, to offer the 

 following specific description. 



Fam. Laniad^. Vigors. 

 Subfaih. Tyrannina. 

 Genus. Psaris. Cuv. 



Psaris eryth&ogenys. 

 P. supra griseus, genis rufis^ capiie alis caud&que nigris ; infra 



griseo-albidus. 

 Above ash-gray, cheeks red, crown, wings, and tail black; be- 

 neath grayish white. 



2 u 2 



