23. AMAUB0LIMNA8, 87 



23. AMAUROLIMNAS. 



Type. 

 Amaurolimnas, Shurpe, Bull. Brit. Oni. Club, no. v. 



p. xxviii (Feb. 1893) A. concolor. 



Range. The same as that of the single species of the genus. 



1. AmaoTolimiias concolor. 



Rallus castaneus, Cuv. MSS. in Mtts. Paris ; Less. Traiti, p. 537 



(1831 ; descr. nulla) ; Pucker. Rev. et Mag. de Zool. 1851, p. 279. 

 Rallus concolor, Gosse, B. Jamaica, p. 309, pi. 103 (1847) ; Albrecht, 



J.f. O. 1862, p. 206; March, Proc. Philad. Acad. 1864, p. 69. 

 Rallina concolor, Reichenb. Handh. Fulicariae, Taf. ccc.xxii. fig. 2577 



(18.51). 

 Rufirallus castaneus, Bp. C. R. xliii. p. 599 (1856). 

 Rutirallus boecki, Bp. C. R. xliii. p. 599 (1856). 

 Corethrura cavennensis {nee Gm.), Moore, P Z. S. 1859, p. 64; Scl. 



Sf Salv. Ibis, 1859, p. 2;J0. 

 Corethrui-a guatemalensis. Later. Proc. Philad. Acad. 1863, p. 106. 

 Rallina castanea, Schl. Mtts. Pays-Bos, Ralli, p. 17 (1865). 

 Porzana concolor, Scl. S^- Salv. P. Z. S. 1868, p. 452; Pelz. Orn. Bras. 



p. 316 (1871 : R. Guapore) ; Scl. 4" Salv. Nomencl. Av. Neotr. 



p. 140 (1873) ; Scl. Ibis, 1873, p. 373 (Nicaragua) ; A.^-E. Neiot. 



Handb. Jamaica, p. 114 (1881) ; Salvin, Ibis, 1886, p. 176 (Merum^ 



Mta.) ; Cory, B. W. Ltd. p. 255 (1889) ; Scott, Auk, ix. p. 11 



(1892); Cory, Cat. W. Ind. B. p. 91 (1892). 

 Aramides concolor, Gray, Hand-l. B. ii. p. 61, no. 10435 (1871). 

 Aramidt'3 boecki, &ra^. Uaitd-l. B. ii. p. 61, no. 10438 (1871). 

 Erythrulimnas boecki, Heine 4" Reichen. Nomencl. Mtts. Hein. p. 320 



(1890). 

 Amaurolimnas concolor, Sharpe, Bull. Brit. Orn. Clui, no. v. 



p. xxviii (1893). 



Adult (type of species). General colour above rufous brown, clearer 

 and more clicstnut-brown on the scapulars and wing-coverts ; 

 bastard-wing and quills dark sepia-brown, edged with Ughter 

 brown ; primary-coverts deep sepia ; inner secondaries chestnut- 

 brown like the back ; tail-feathers chestnut-brown ; crown of head 

 and nape dusky brown, slightly rufescent on the forehead : lores 

 and sides of face dull rufous, browner on the ear-coverts ; sides of 

 neck and under surface of body dull vinous chestnut, paler vinous 

 on the chin and centre of breast and abdomen ; sides of body, 

 flanks, thighs, and under tail-coverts vinous chestnut ; under wing- 

 coverts and axiUarics uniform dusky brown with a slight rufous 

 tinge; quills below duskj^ brown: "bill yellowish green, blackish 

 above ; feet dull purplish crimson or pink ; iris vermilion " (P. H. 

 Gosse). Total length 9*5 inches, culmen 1-1, wing 5, tail 2-1, 

 tarsus I'o, middle toe and claw 1'5. 



Young. Similar to the adult, but more dusky and vrith less 

 chestnut on the upper surface ; below dingy vinous brown, with 

 white shaft-streaks to the feathers of the throat and chest ; centre 

 of breast and thighs ashy isabelline. 



Ilab. Jamaica. Central America from Guat«mala south to 

 Guiana and Brazil. 



