Mr. R. Swinhoe on Formosan Ornithology. 277 



last his impatience gets the better of him ; with a loud cry, re- 

 sembling the syllables " quack, quack," he flies right away. 



37. TuRDus oBscuRUs, Gm. 



T. pallidus, Temm. * 



T. pollens, Pall. 



One female procured at Tamsuy in spring, 



38. TuRDus ruscATus, Pall. 



Immature birds common at Tamsuy in spring. Several pro- 

 cured, but none in complete plumage. 



39. TuRDUs NAUMANNi, Temm. 



A female straggler shot, 19th February, at Tamsuy,in immature 

 feathers. 



Length 10 in. ; wing 6^^; tail S^^. Bill black, except gape, 

 basal edge of upper and basal half of lower mandibles, which 

 are gamboge-ochre. Rim round the eye light brown ; iris deep 

 brown. Ear-covert large, pale yellowish ochre ; operculum oval, 

 and placed near the upper arc. Legs and claws pale dingy 

 brown, with scarce a tinge of yellow. Proven triculus y^^ in. long 

 by y^Q, contracting before the gizzard, which is ^ long, y^^ broad, 

 and -pj deep, with moderately muscular tendons; epithelium 

 thick, leathery, and yellowish, longitudinally furrowed with broad 

 rugje. Intestine 11| in. long, thick and fleshy, with plenty 

 of fat, which especially abounds over the belly; caeca | from 

 anus, y^Q long. 



I observed no Blackbird in Formosa. 



40. Myiophonus insularis, Gould, P. Z. S. 1862, p. 180. 

 The genus Myiophonus has been split up into two subgenera, 



Myiophonus and Arrenga, the former comprising the species 

 with lanceolate feathers, spotted as with dried gum, and having 

 white spots on the wing-coverts, and the latter those with 

 rounded feathers and bright-blue wing-coverts. The former 

 section at present contains three closely allied species representing 

 each other in their respective localities, viz. : — 



' \. M. temminckii, Vigors (Gould^s 'Century,^ pi. 21), with 

 moderate, yellow bill. Hab. Himalayan range, as far as the 

 Tenasserim provinces. 



