FROM WESTERN SUMATRA. 7 



unkiudly to recommend Dr. Klaesi to his different officers 

 in tlie interior , the many acquaintences the latter made 

 during his sojourn in the mountains enabled him to spend 

 his time in the most successful way. 



1. Micro hier ax fringillarius. 



Falco coerulescens (uec L.), Horsf. Trans. Linn. Soc. XIII. p. 135 



(1821); — Temm. P. C. I. 97 (1824); — Schl. Vog. Ned. Ind. 



Valkvogels, pp. 7, 48, pi. 2, fig. 1 (1866); id. Mus. P.-B., 



Revue Accip. p. 46 (1873). 

 Mlcrohierax fringillarius (Drapiez, 1824), Sharps, Cat. Birds Br. Mus. 



Vol. I. p. 367 (1874); — Tweedd. Ibis 1877, p. 286; — 



Salvad. Ucc. di Sumatra, p. 172 (1879). 



4 specimens (3 (ƒ , 19)- 

 »Bill and feet black, iris dark brown. Native name: 

 Sikko Kumhang.^' 



2. Haliaetus leucogaster. 



Falco leucogaster, Gm. S. N. I. p. 257 (1788); — Temm. P. C. I. 49 



(1823). 

 Haliaetus leucogaster, Schl. Valkvogels (1. c), pp. 9, 50, pi. 4, fig. 1, 



2; id. Mus. P.-B., Revue Accip. p. 117 (1873). 



2 specimens (1 <ƒ , 1 9). 

 »Iris light brown, marbled with dark brown , bill bluish 

 horn-color, feet gray. Native name; Alang laut.^^ 



3. P olioaetus ku milis. 



Falco humilis, Mull. & Schl. Verhandelingen, Zool. Aves, p. 47, pi. 6 



(1839—1844). 

 Pandion humilis, Schl. Valkvogels (1. c), pp. 13, 53, pi. 5, fig. 3. 

 Haliaetus humilis, Schl. Mus. P.-B., Revue Accip. p. 119 (1873); — 



Snelleman, Sum. Exp. Vogels, p. 44 (1884). 

 Polioaetus humilis. Wall. Ibis 1868, p. 14; — Salvad. Ucc. di Borneo, 



p. 6 (1874); — Nicholson, Ibis 1883, p. 240. 



1 specimen (ad. cf). 

 »Bill brownish black, feet bluish white. Native name: 

 Alang peikan^ 



Notes from the Leyden Museu m , Vol^ IX. 



