256 



FALCOXID^. 



(1869); Gray, Hand-l. i. p. 213 (1869); Hnme, Str. F. i. p. 311 

 (1873) ; Schi. Revue Accipitr. p. 58 (1873). 

 Nisaetus kieneri, Jerd. III. Ind. Orn. p. 5 (1847). 



Adult. Above black, with an occipital crest 2-4 inches in length ; 

 ear-coverts somcvrhat mixed with whitish ; cheeks, throat, and 

 breast pure white, with a few narrow black shaft-lines on the side 

 of the latter ; rcstfof under surface, inchiding under wing- and tail- 

 coverts, tawnj"^ rufous, streaked with black shaft-stripes, rather 

 broader on the flanks, where they are more merged ; wings black, 

 some of the feathers externally brownish, the inner lining of quiUs 

 whitish ashy, with a few blackish bars on the inner web of the 

 primaries, the secondaries narrowly tipped with white ; tail black, 

 very slightly tipped with whity brown, and with indications of 

 brown cross bands under certain lights, the lower surface of the tail 

 ashy white, with a subterminal brown bar ; cere yellow ; bill leaden 

 blue ; feet yellow, claws black ; iris brown. Total length 21 inches, 

 culmen 1-5, wing 14-1, tail 8-3, tarsus 2-9. 



Hah. The Indian peninsula, Malacca, and Borneo. 



a. Ad. St. India. Purchased. 



h, 5 ad. sk. Sarawak, Borneo. A. R. Wallace, Esq. [C.]. 



2. Lophotriorchis isidorii. 



Falco isidorei, Des Mtirs, Rev. Zool. 1845, p. 176*. 



Aquila isidori, Des Murs, Icon. Orn. pi. 1 (1845). 



Circaetus isidori, Gray, Gen. B. iii. App. p. 1 (1849). 



Spizaetus isidoii, Bp. Consp. i. p. 29 (1850) ; Strickl. Orn. Syn. p. 72 



(1855); Gray, Hand-l. i. p. 12 (1869) ; Scl. Sr Salv. Nomencl. p. 120 



(1873). 



Adnlt. Above glossy black, the head ornamented with a crest 

 3-3 inches long ; quills also black, the primaries ashy grey at base, 

 with a broad black tip ; tail ashy grey for two thirds of its length, 

 the remaining third being black, with a slight ashy brown tip ; sides 

 of face and throat black ; rest of under surface tawny rufous, with 

 central black streaks of irregular width to some of the feathers ; 

 flanks and external thigh-feathers black ; under wing-coverts ru- 

 fous, with black stripes like the breast. Total length 26-5 inches, 

 culmen 2-5, wing 20-2, tail 13, tarsus 4-6. 



Hah. Columbia. 



a. Ad. sk. Bogota (Chesterton). W. Wilson Saunders, Esq. [P.]. 



42. NEOPUS. 



Heteropus, Hodys. J. A. S. B. xii. p. 127 (1843, nee Dmn. Type. 



et Bihr. 1839) H. malayensis. 



Neopus, Hodys. in Grays Zool. Misc. p. 81 (1844) H. malayensis. 



Onychaetus, Kanp, Classif. Smty. u. Voy. p. 120 (1844). H. malayensis. 

 Ictinaetus, Jerd. Ann. N. H. xiii. p. 114 (1844) H. malayensis. 



Range. The entire Indian peninsula in suitable localities, Cejdon, 

 Burmah, extending down the Malayan peninsula to Java, Sumatra, 

 Celebes, and Ternate. 



