272 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



between second and third, the seventh and sixth h)ngest, but only 

 sHghtly exceeding eighth and fifth. Tail as long as distance from 

 ^bend of wing to end of longest secoinlaries, or slightly shorter, dis- 

 tinctly rounded (graduation less than half the length of middle toe 

 vnth claw), the rectrices rather rigid, narrow, with somewhat taper- 

 ing tips (at least the lateral ones, which are somewhat pointed). 

 Tarsus less than one-third as long as wing, moderately stout, the 

 acrotarsium more or less distinctly scutellate, but divisions some- 

 times obsolete;" middle toe (wdthout claw) nearly three-fourths as 

 long as tarsus; lateral toes nearly equal, but the outer rather the 

 longer, both (without claw) reaching slightly be3^ond subterminal 

 joint of middle toe; hallux shorter than inner toe but very much 

 stouter; basal phalanx of middle toe united for basal half to outer 

 toe, almost wholly free from inner toe; claws moderate or rather 

 large, very strongly curved. 



Coloration. — TJppeT parts plain brown (becoming rufescent ])oste- 

 riorly), grayish brown, or olive; under parts plain lighter brown, pale 

 buffy, or whitish, shaded with grayish or olive on chest and sides. 



Nidijication. — Nest in bushes or trees, composed of twigs, grasses, 

 etc., open above. Eggs said to be deep bluish green. 



Range. — Lesser Antilles. (Three species and several subspecies.) 



KEY TO THE SPECIES AND SUBSPECIES OF CINCLOCERTHIA. 



a. General color decidedly nifescent brown, the remiges and rectrices russet or 

 cliestnvit-brown . ( Cinclocerthia ntficauda. ) 

 b. Smaller (wing averaging not more than 98 in adult male, less than 92 in adult 

 female; tail averaging less than 82 in male, less than 77 in female). 

 c. Paler, with chest" browner. (Island of Dominica, Lesser Antilles.) 



Cinclocerthia ruficauda ruficaiida (p. 27o) 

 cc. Darker, with chest grayer. (Island of St. Vincent, Lesser Antilles.) 



Cinclocerthia ruficauda tenebrosa (p. 274) 

 bb. Larger (wing averaging more than 101 in adult male, more than 9(J in adult 

 female; tail averaging more than 88 in male, 83 or more in female). 

 c. Darker, with chest grayer. (Island of Guadeloupe, Lesser Antilles.) 



Cinclocerthia ruficauda tremula ( p. 274) 

 cc. Paler, with chest more tawny i>r ochreous. (Islands of St. Christopher, 

 St. Eustatius, Saba, Montserrat, Nevis, and Barbuda, Lesser Antilles.) 



Cinclocerthia ruficauda pavida (p. 275) 

 aa. General color grayish brown, including remiges and rectrices. 



b. Chest pale buffy grayish, sides and flanks brownish buffy or light wood brown, 

 neither distinctly contrasted with buff of abdomen. (Island of Santa Lucia, 



Lesser Antilles.) Cinclocerthia macrorhyncha (p. 276) 



bb. Chest brownish gray, sides and flanks grayisli brown, both strongly contrasted 

 with white of abdomen. (Island of Martinique, Lesser Antilles.) 



Cinclocerthia gutturalis (p. 277) 



oJn a specimen of C. macrorhyncha 1 am not able, even with a magnifying lens, to 

 discover more than the faintest suggestion of divisions to the acrotarsium, and these 

 only along the front. 



