184 Descrijjtions of JVeiv Species of 



Details divers. — La corne du maxillaire est a peine sensi- 

 ble. Liojue lat. 45. 



Varietes. — J'ai clans un exeniplaire D. 12, 12; A. 3, 10; 

 dans un autre A. 3, 14. Dans iin individu, je ne decouvre 

 pas la l)ande bleue sous-oculaire. 



Histoire. — II n'est pas rare, sans etre commun. Quelques 

 pecheurs le nomment Sargo, qiioique ce soit un poisson a 

 plume. Le plus grand que j'ai vu est de 12 pouces. 



Numero 192 de mon Atlas Mss. 



XI . — Descriptions of New Species of Birds of the 

 Genera Icterus and Synallaxis. 



BY GEO. N. LAWRENCE. 

 Read April 22(1., 1872. 



Ictei'us foi'iuosiiis. 



Male. Throat, space in front of the eye and a broad band across the 

 back black ; the rest of the plumage of the body is of a beautiful reddish- 

 orange ; tail black, the outer two feathers on each side end narrowly with 

 dull white, the bases of the feathers concealed by tlie coverts are light 

 yellow, with that portion of their shafts white; quills brownish-black, 

 the smaller wing coverts are deep orange, the upper row ending with black, 

 the middle coverts are white, the larger are black with the terminal half 

 of the margins of their outer webs white, the primaries have their 

 outer webs at the base white for a short space, forming a spot, beyond 

 which they are narrowly edged with wiiite, the secondaries have their 

 outer margins broadly white ; under wing coverts orange, inner webs of 

 quills for two-thirds their length from base grayish-white; " iris brown; 

 bill black, base of lower mandible and feet light plumbeous." 



Length (skin) 8 in., wing 4^; tail 3|^; bill from front % ; tarsi \^. 



The female has the upper plumage of a dull yellow, brighter on the 

 front ; the back is olivaceous, on which part the centres of the feathers 

 are black, giving it a distinct spotted appearance, somewhat as in I. pus- 

 tulatus ; the tail is greenish-olive; the throat is black and the under 

 plumage of a clear bright yellow. 



A young male has the yellow coloring more orange, with the centres of 

 the dorsal feathers black, but the spots are much larger and closer than 



