Characters of some New South American Birds. 265 



as well as from other points on the continent, we have distinct 

 evidence of the use of graving or incisive tools of some kind — 

 as for instance in the hieroglyphics in Fig. 7, which are cut in 

 a stone so hard that the blade of a knife produces scarcely any 

 impression on its polished surface. 



XY. — Gliaracters of some New South American Birds, with 

 Notes on other rare or little known Species. 

 By George N. Lawrence. 



Read May 31st, 1S69. 



1. Tn rd n% hauxwelli. 



Male. The upper plumage is of quite an uniform deep cinnamon- 

 brown, brightest on the rump ; the coloring below is lighter and less 

 cinnaraomeous ; the middle of the abdomen and under tail coverts are 

 whitish, with the feathers more or less marked with the same color as 

 the breast ; the throat is without any white, and has a striated appear- 

 ance, in consequence of the edges of the feathers being paler than their 

 centres, where they are of the same color, and scarcely darker than the 

 breast ; the tail is of a dark liver-brown, the feathers edged the color 

 of the back ; the quill feathers have the inner webs dark liver-brown ; 

 the outer webs are colored like the rump ; under wing coverts clear pale 

 cinnamon ; the inner margins of the quills have only a mere trace of 

 this color ; " iris brown " ; bill blackish-brown, the under mandible 

 lighter in color; tarsi and toes yellowish-brown. 



First primary very short, fourth and fifth longest and equal, the sec- 

 ond and eighth are of equal length. 



Length (skin) 9 in. ; wing 4 J ; tail 4 ; bill f ; tarsi lyL. 



Habitat. Pebas, Peru. Type in Vassar College Museum. 

 It was obtained by Mr. J. Hauxwell, Oct. 3d, 1868, and sent in 

 a collection to Prof. Jas. Orton. 



I have named this species in compliment to Mr. John ITaux- 

 well, the well-known collector on the Upper Amazon and its 

 tributaries. 



Remarks. The only thrush with which this species needs 

 comparison is T. leucomelas, Vicill. This inhabits the same local- 



