2. TUKDtrs. 215 



In the adult male the general colour of the upper parts is dark olive- 

 browu ; lores hlack ; ear-corerts dark olive-brown ; no trace of eye- 

 stripe ; wings and tail brown ; outer webs of feathers margined with 

 olive-brown ; innermost secondaries dark olive-brown. Chin and 

 upper throat pale brown, each feather having a long, fan-shaped, 

 brown terminal spot ; lower throat, breast, and flanks pale brown, 

 shading into nearly white on the centre of the belly and under tail- 

 coverts, the latter having brown sides ; axillaries pale brown; under 

 wing-coverts buff; inner margin of quills greyish buff. Eill dark 

 brown above and below. Wings with the fourth and fifth primaries 

 nearly equal and longest, second primary about equal to the eighth, 

 bastard primary ()-\)o to 0-9 inch. Legs, feet, and claws dark brown. 

 Length of wing 4-6 to 4-5 inches, tail 3-8 to 3-5, culnien 0-t)9 to 0-87, 

 tarsus 1"22. 



It is not known that the female differs from the male. Birds of 

 t1ie year and young in first plumage ajipear to be unknown. 



a. Ad. sk. Bogota. P. L. Sclater, Esq. [P.]. (Type 



of T. ignobilis, Sclater.) 

 h. 2 ad. sk. MedeUin. T. K. Salmon, Esq. [C.]. 



27. Turdus plebeius. 



Turd us plebeius, Cab. * Jouni. Orn. 18G0, p. 323 ; Lawr. Ann. L. Neio 

 York, ix. p. 91 (1864) ; Frantz." Jonrn. Orn. 1809, p. 290 ; Graii *, 

 Iland-l. B. i. p. 258. no. 3754 (1869) ; Scl. ^- Salv. Nomencl. Av. 

 Keotr. p. 2 (1873) ; Salv. Sf Godm. Biol. Cent.-Amer. Zool., Aves, 

 i. p. 17 (1879). 



In the adult male the general colour of the upper parts is an 

 almost uniform olive-brown, greyer on the inner webs of the quills. 

 Uuderparts pale brown, darkest on the cheeks and flanks and slightly 

 paler on the centre of the belly ; under tail-coverts brown in 

 centre, broadly and distinctly margined, first with brownish white, 

 then with brown, and finally with brownish white ; axillaries and 

 under wing-coverts pale brown, obscurely margined with chestnut ; 

 inner margins of quills scarcely paler than the rest of the under 

 surface. Bill dark brown. Wings witli tlie third, fourth, and fifth 

 primaries nearly equal and longest, second primary between the sixth 

 and seventh, bastard primary l-Oo to 0'8 inch. Legs, feet, and 

 claws brown. Length of wing 5v52 to 5-07 inches, tail 4-25 to 3-8, 

 culmcn 0-96 to 0-93, tarsus 1-28 to 1-26. 



It is not known that the female differs from the male. Birds of 

 the year and young in first plumage appear to be unknown. 



The Costa-Eican Thrush appears to be confined to the province 

 of Costa llica, in Central America, -where it is supposed to be a 

 resident. 



The British Museum docs not i)osscss an example of this species ; 

 but skins may be seen in the collections of Dr. Sclater, Jlessrs. 

 Salvin and Godman, and my own, 



* E^\t plebejtis. 



