BIRDS OF NOETH AND MIDDLE AMERICA. 7 



ff. Bill stouter, not decurved terminally, the gonys ascending terminally 

 and prominent basally; no black jugular patch; under side of tail 

 wholly black (except whitish bars or spots on lateral rectrices). 



Soroplex (extralimital).o 



ee. Bill decidedly to much longer than head, the gonys decidedly to much 



longer than mandibular rami; tail less than two-thirds as long as wing. 



Pituipicus (extralimital).6 

 dd. Nostrils wholly exposed (no antrorse prefrontal plumes). 



Nesoceleus (p. 39). 

 cc. Maxilla with a more or less distinct lateral eupra-nasal ridge or pre-nasal groove; 

 tip of bill more or less chisel-shaped (sharply compressed laterally and 

 truncate or sub-truncate vertically); tarsus decidedly shorter than longest 

 toe with claw, the toes relatively stouter and claws stronger. 

 d. Lateral ridge or groove of maxilla less distinct (usually obvious only on 

 basal half or less); bill relatively narrower, its width at middle of nostrils 

 not much if at all greater than its depth at same point. {Melaner'peae.) 

 e. Orbits less extensively and not completely naked or else (Centurus, part) 

 upper parts conspicuously barred with black and white. 

 /. Plumage of under parts not hair-like (except, sometimes, on throat and 

 chest or on abdomen alone). 

 g. Outermost (tenth) primary little more (usually much less) than one- 

 third as long as ninth, narrower, straighter, usually more or less 

 ^' pointed; plumage not wholly blackish. 



Ji. Postnasal and premalar plumes much less developed; feathers of 



breast not broad and imbricated or else ( Tripsurus, part) feathers 



of abdomen hair-like, red. 



t. Plumage of throat hair-like, red; back and wings uniform glossy 



bluish or greenish black (the secondaries sometimes white); 



ninth primary much longer than fourth Melanerpes (p. 41). 



a. Plumage of throat normal (soft and blended), not red; back, 

 wing-coverts, and secondaries regularly and conspicuously 

 barred with black and white; ninth primary usually much 



shorter than fourth Centurus (p. 48). 



hh. Postnasal and premalar plumes developed into dense tufts; feathers 

 of breast broad and imbricated, those of abdomen soft, blended 



white Balanosphyra (p. 100). 



gg. Outermost (tenth) primary much more than one-third as long as 

 ninth, broad, rounded at tip, distinctly bowed; plumage wholly 



black (tinged with red on under parts) Linneopicus (p. 112). 



ff. Plumage of under parts (except under tail-coverts) hair-like. 



Asyndesmus (p. 113). 

 dd. Orbits completely and extensively naked. 



e. Head and under parts not white; abdomen red; adult male with red on 

 crown (sometimes on nape also); smaller (wing less than 125 mm.). 



Tripsurus (p. 117). 



" Soroplex Gloger, Hand- und Hilfsbuch der Naturg., 1842, 198. (Type, Picus 

 campestris Vieillot.) — Geopicos Malherbe, M6m. Acad. Metz, xxx, 1849, 357. (Type, 

 Picus campestris Y ieiWot. )—Malherbipicus Bonaparte, Ateneo Italiano, ii, 1854, 126. 

 (Type, Picus campestris Vieillot.) — Theiopicus Malherbe, Mon. Picid., Introd., 1861, 

 p. liii. (Type, Picus campestris Vieillot.) — Pediopipo Sundevall, Consp. Av. Picin., 

 1866, 116 (to replace Malherhipicus, on grounds of purism). Eastern Brazil to e. Argen- 

 tina, Bolivia, and Peru; five species. 



& Pituipicus Bonaparte, Ateneo Italiano, ii, 1854, 126. (Type, Picus chilensis Garnet 

 and Lesson=P. pitius Molina.) Chile; monotypic. 



