348 



rrKKurToiiiiD.E. 



2. Rhinocrypta fusca. 



Rliinocrrpta fusca, Scl. ct Sale Numencl. pp. 70, 1(51 ; Scl. Ibis, 1874, 

 p. I!t8 (rep. Ai-g.) ; .SV/. (>^ llmh. Ari/. Orn. i. p. i!07. 



" llhinociypta I'lilva, I'hilippi," Let/huld, E.rcurs. a las Pamp. Arjen- 

 tinus, p. 5 (1673) ; Scl. Ibis, 1874, pi. viii. 



Above uniform pale ciiiiiamomeous brown ; supcrciliarics whitish ; 

 tail blackish, except the middle pair oF rcctricea which are like the 

 back : beneath white, faintly tinged with cinuamomeous ; bill horn- 

 colour ; feet black : whole length G"o inches, wing 2'5, tail 2-4. 



Hah. Western Argentina. 



a. Ad. sk. Mendoza (Weisshaiipf). 



b, c. tS ad. sk. Pampas of the Argentine Rep. 



{Let/bold). 



Selater Coll. 

 (Type of the species.) 

 Salvin-Godmau Coll. 



6. HYLACTES. 



Hylactes, King, P. Z. S. 1830, p. 15 



IMegalonyx, Lesson, Cent. Zool. p. 200 (18-30) . . 

 Leptonyx, Swains. Zool. III. ser. 2, pi. 117 (1832) 



Type. 

 H. taniii. 

 II. megapodius. 

 II. megapodius. 



Foot of Hylactes megapodius. 



In general appearance Hylactes is a strong form of Pleroptoclms, 

 differing ])rincipally in its larger feet and elongated hind claw, and 

 in possessing fourteen rectrices. It is likewise restricted to Chili 

 and Patagonia. 



Key to the Species. 



A. Throat and sides of neck not white. 



J Throat iind fore neck dark brown 1. taniii, p. 349. 



I Throat and fore neck chestnut 2. castaneus, p. 349. 



B. Throat and sides of neck white 3. megapodius, p, 349, 



