26 REVIEW OF THE GENUS SCLERURUS RTDGWAY. 



? Scterurus rufigularis Pelz., Orn. Bras., n Arb., 1869, 161 (Maribatanas ; ex " Ti- 

 nactor rufigularis Natterer Catal. rase.").* 



Sp. Char. — Above plain deep brown, duller (bistre) on head, chang- 

 ing to bright chestnut on rump and upper tail-coverts ; tail dusky; 

 throat and chest tawny or tawny-chestnut, the chin sometimes paler; 

 rest of under parts similar to back, etc., but rather paler. Length 

 (skin), about &.00. 



Ha.b. — Southern Mexico to Eastern Peru and Lower Amazons ; 

 Bahia? 



Adult male (No. 42144, Protrero, Vera Cruz, February 20, 1866 ; F. 

 Sumichrast). — Above bistre-brown, duller anteriorly, brighter on lower 

 back, and changing to chestnut on rump and upper tail-coverts ; tail 

 dusky or dull blackish brown terminally, more brown basally, the feathers 

 edged, except near tips, with the color of the lower back ; edges of 

 greater wing-covert and secondaries more rusty brown than back. 

 Throat light russet or rusty cinnamon (chin paler), deepening on chest 

 and upper breast into chestnut-russet; rest of under parts plain brown 

 (intermediate between mummy-brown and bistre), the under tail coverts 

 more rusty. Upper mandible blackish brown, lower pale brownish or 

 brownish white, becoming dusky terminally ; tarsi clear brownish, toes 

 darker. Length (skin), 6.00; wing, 3.15; tail, 2.40; exposed culmen, 

 .95 ; tarsus, .85 ; middle toe, .70. 



Adult female (No. 42120, Mirador, Vera Cruz ; C. Sartorius). — Similar 

 to the male described above, but colors brighter, the entire throat, chest, 

 and breast bright chestnut-tawny, lower parts more tinged with the 

 same, and chestnut of rump and upper tail-coverts brighter. Length 

 (skin), 5.00; wing, 3.20; tail, 2.40 ; exposed culmen, .95; tarsus, .80 ; 

 middle toe, .70. 



Immature male (coll. Am. Mus. Nat. Hist.,t Panama, 1862; J. Mc- 

 Leannan). — Similar to adults, but colors rather duller, especially on the 

 throat and chest, where the color is paler or more tawny, some of the 

 feathers with very indistinct dull brownish tips or margins and paler 

 shaft-streaks. 



An adult (sex not determined) from Guatemala (No. 30771, Coban, 

 Vera Paz, March, 1860; O. Salvin), is much deeper colored than either 

 of the Mexican skins described above, the upper parts being a very 

 deep vaudyke brown, and the throat a bright chestnut. Length (skin), 

 5.90 ; wing, 3.20 ; tail, 2.35 ; exposed culmen, .88 ; tarsus, .80 ; middle 

 toe, .72. 



An adult male from the Isthmus of Panama (No. 41585, Lion Hill, 

 near Aspinwall, J. McLeannau) is almost identical with the preceding 

 in coloration, but is somewhat smaller, measuring as follows : Length 



* Brunneus, dorso inferiore rufesceute, gula et collo superiore ochraceis, pectore 

 ferrugineo lavato, cauda nigrescente. Longit. (special, exsicc.) 6", alsB 3" 1'", Cau- 

 da? 2" 3'", rostri a riefcn 11'", tars. 9^'". (Pelz., I. c.) 



t Lawrence collection. 



