Capt. R. C. Beavan on imrious Indian Birds. 435 



Length. Wing. Tail. Tarsus. Spread foot. Bill. Gape. Extent. 



A. 10-625 375 4-375 1-437 1-875 -8125 1-0625 10-25 



B. 10-375 3-75 4-375 1-437 175 -8125 1-125 10-5 



Irides greyish-brown ; legs fleshy-pink ; bill horny-brown. 



It is found frequenting the low and the thick trees of a species 

 of Ilex and the patches of thick brushwood on the hillsides. 

 Both this species and T. variegatum are found in some abundance 

 on the Mahasoo range, although they do not seem to occur nearer 

 to Simla than it. They are very difficult to procure, owing to 

 their skulking bush-loving habits ; one hardly ever shows itself 

 or affords a fair shot for more than an instant. And although 

 there may be several together in one clump of vegetation, they 

 either keep close or, crawling along the ground, rise and fly 

 away out of shot from a quarter least expected. A flying shot 

 is often the only one obtainable, and then is generally difficult 

 because the birds fly so low. 



416. Trochalopterum chrysopterum. Yellow-winged 

 Laughing Thrush. 



Darjeeling collection, 1862. Three specimens. 



417. Trochalopterum subunicolor. Plain - coloured 

 Laughing Thrush. 



Darjeeling collection, 1862. One specimen. 



418. Trochalopterum variegatum. Variegated Laughing 

 Thrush. 



This might with more propriety be called "Cinnamon- 

 vented " or " Black-chinned." The dimensions of a male killed 

 at Fagoo, August 3, 1866, are : — Length 10-5 ; wing 4-125 ; tail 

 4-75; tarsus 1-5 ; spread of foot underneath 2; bill from front 

 •8125, from gape 1, extent 11*25. Irides pale green ; bill nearly 

 black; legs fleshy-yellow, lighter on soles; claws slaty. Dr. 

 Jerdon's description (B. Ind. ii. p. 45), taken evidently from a 

 skin, is imperfect. The winglet and the first few of the primary 

 coverts forming a small patch at the shoulder, a bar across the 

 middle of the secondaries, and the inner webs of all the wing- 

 featbers are jet-black. The extreme shoulder of the wing out- 

 side is pure white. The primary coverts next to those that are 

 black are, as mentioned by Dr. Jerdon, rufous. The outer webs of 



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