376 BULLETIN 186, UNITED STATES NATIONAL MUSEUM 



Alcippe sp., Gtldenstolpe, Kungl. Svenska Vet.-Akad. Handl., 1916, p. 59 (Doi 

 Pha Sakaeng). 



Alcippe poioicephala harringtoniae, de Schauensee, Proc. Acad. Nat. Sci. Philadel- 

 phia, 1929, p. 533 (Chiang Saen). 



Alcippe poioicephala magnirostris. de Schauensee, Proc. Acad. Nat. Sci. Philadel- 

 phia, 1934, p. 193 (Chiang Dao, Khun Tan). 



Alcippe poioicephala karenni, Deignan, Journ. Siam Soc. Nat. Hist. Suppl., 1936, 

 p. 107 (Doi Suthep). 



Alcippe poioicephala haringtoniae, Riley, U. S. Nat. Mus. Bull. 172, 193S, p. 352 

 (Khun Tan). 



Alcippe poiocephala haringtoniae, Greenway, Bull. Mus. Comp. Zool., 1940, p. 172 

 (Chiang Dao, Doi Nang Kaeo). 



This quaker babbler is found only at those localities where evergreen 

 forest grows below 3,500 feet. It is very common on the plains and 

 lower hills of the districts north and east of the Khun Tan chain and 

 at such places as Samoeng and Chiang Dao; on Doi Suthep, whose 

 lower slopes are covered with deciduous jungle, it is necessarily very 

 rare (three records) and restricted to the lowest fringe of the evergreen 

 (3,300 to 3,500 feet). 



The habits of the present species differ in no important way from 

 those of the following one, and just where their altitudinal limits of 

 range come together the two forms may sometimes be seen in the same 

 flock. 



An example with the gonads greatly enlarged was taken on Doi 

 Suthep, 3,500 feet, March 12, 1932. At other localities have been col- 

 lected a bird completing postnatal molt, April 24 ; one in full juvenal 

 plumage, May 10; and a long series of adults in postnuptial molt, be- 

 tween June 17 and December 5. Gyldenstolpe's " Alcippe sp." from 

 Doi Pha Sakaeng, July 17, 1914, has been examined and found to be a 

 specimen of this form in post juvenal molt. 



A breeding male had the irides gray ; the maxilla horny brown ; the 

 mandible horny yellow ; the feet and toes fleshy yellow ; the claws horn. 



Our two species of quaker babbler are extraordinarily similar but 

 A. p. haringtoniae may readily be known by its not having a white eye 

 ring. It differs also in somewhat greater size and in having the crown 

 and nape brownish gray, the sides of the head and neck brownish buff. 



ALCIPPE MORRISONIA LAOTIANA Delacour 



Lao Red-eyed Quaker Babbler 



Alcippe nipalensis laotianus Delacouk, Bull. Brit. Orn. Club, vol. 47, 1926, p. 19 



(Chiang Khwang, Laos). 

 Alcippe nepalensis fratercula, de Schauensee, Proc. Acad. Nat. Sci. Philadelphia, 



1929, p. 533 (Doi Suthep) ; 1934, p. 193 (Doi Suthep, Doi Chiang Dao). 

 Alcippe nipalensis fratercula, Deignan, Journ. Siam Soc. Nat. Hist. Suppl., 1931, 



p. 138 (Doi Suthep). — Chasen and Boden Kloss, Journ. Siam Soc. Nat. Hist. 



Suppl., 1932, p. 244 (Doi Suthep).— Deignan, Journ. Siam Soc. Nat. Hist. 



