43. MiCKOcEECULrs. 295 



coverts, sides of neck, and the sides of tlie hinder crown running 

 down the hinder neck, so as almost to form a half- collar, deep 

 chestnut; throat and breast deep rich chestnut, shading off into 

 chestnut-brown on the abdomen ; the sides of the body, flanks, and 

 thighs dark umber-brown, with a slight reddish tinge ; under tail- 

 coverts blackish, barred with dull rufous ; under wing-coverts dusk}', 

 washed with chestnut, the axillaries chestnut ; under wing-coverts 

 dusky brown, narrowly edged with pale rufous along the edge of 

 the inner web ; " iris dark '' (T. K. S.). Total length 4-9 inches, 

 culmen 0-85, wing 2-6, tail 1-7, tarsus 1"1. {Mus. P. L. Sclater.) 



The Eufous-chested "Wren has only been found as yet in the 

 Cauca valley. 



43 MICROCERCULUS *. 



Type. 

 Microeerculus, Baird, Sevieio Amer. B. p. 113 (1864, ex 



Sdater, Cat. Amer. B. p. 19, 186:?) M. bambla. 



Cf. Salvin ^- Godman, Biol. Centr.-Amci:, Avcs, i. p. 76. 



Bill oi Microeerculus bambla, to show nostril. 



Range. Central America, from Guatemala southwards to Guiana, 

 Colombia, and Peru. 



Key to the Species. 



a. With a broad white baud across the wing, the 



greater wing-coverts being subtermiually banded 

 with white. 

 a'. Throat and chest ashy gi'ey, mottled with duslcy 



cross-marldngs lamhla, p. 296. 



b'. Throat pure white ; chest ashy gi'ey, with 



dusky cross-markings alhigularis, p. 296. 



b. No white band across tlie whig and chest. 



c'. Throat asliv grey, with dusky cross-markings . phUomela, p. 297. 



d'. Throat white ; chest ashy ." luscinia, p. 298. 



e'. Throat and breast pure white bicolor, p. 298. 



f. Throat and breast pure white, banded across. 

 a". Cross-ban-ing on throat and breast veiy 

 narrow, the feathers white with dusky 



tips marginatus, p. 299. 



h" . Throat white, witli narrow dusky edgings to 

 the feathers; breast and abdomen blackish 



barred with white . tceniatus, p. 300 



c". Throat uniform wliite ; breast white, with 



narrow dusky-brown cross markings .... squamulattts, p. 300. 



* MiCROCERCULCS CI.VCTCS. 



C}-phorhinii9 (MiorocercuUis) cinctus, Pclz. Orn. Bras. p. 65 (1871). 

 Cyphorhinus ciuctus, Gray, Hand-l. B. i. p. 193, no. 26()7 (1869). 



Hab. Brazil (Borba, S. Joaquini). 



The above species is unknown to me. It appears to belong to the section of 

 M, bambla. 



