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Our figures of this species are taken from skins in Mr. Sclater's collection,-— the adult being 

 a u Bogota" skin, and the young bird in spotted plumage from Ecuador. 



In our article on Cichlopsis, we have already indicated our views as to the correct position 

 of the genus Myiadestes, in the natural series. It belongs, no doubt, to the family Turdidse 

 from which the so-called Sylviidas of the Old World cannot be dissociated. Besides the general 

 external form, the power of song, and the character of the immature plumage, lead to this 

 interpretation of its affinities. The continental species of this group, taking them according to 

 their geographical distribution, from north to south, are, — 



1. M. TOWNSEKDI. 



JBtilogonys townsendi, Aud. 



Myiadestes townsendi, Baird, Rev. A. B. p. 429. 



Sab. Mountainous regions of middle and western states of JN". America (Baird). 



2. M. unicoloe (Plate XXV). 



Sab. Eastern portion of Southern Mexico, and northern districts of Vera Paz. 



3. M. oescueus (Plate XXVI). 



Hob. Southern Mexico, principally on the western side ; Western Guatemala, and Southern Vera Paz. 



4. M. MELANOPS. 



Myiadestes melanops, Salvin, P.Z.S. 1864, p. 580, t. xxxv : Baird, Eev. A. B. p. 426. 

 Sab. Eastern slope of Costa Eica. 



5. M. ealloides (Plate XXVII). 



Hob. Subandean vallies on both slopes from Caraccas to Bolivia. 



August, 1867. 



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