BIEDS OP NORTH AND MIDDLE AMERICA. 457 



ilomotus cseruleiceps Sclatbr, Proc. Zool. Soc. Lond., 1857, 201 (Jalapa), 253 

 (monogr.); 1859, 367 (Jalapa); 1864, 176 (near City of Mexico); Cat. Am. 

 Biide, 1862, 262 (Mexico).— Coues, Check List, 1873, no. 285.— Bidgway, 

 Proc. U. S. Nat. Mus., iii, 1880, 190, 229; Norn. N. Am. Birds, 1881, no. 381.— 

 Shabpe, Cat. Birds Brit. Mus., xvii, 1892, 327 (Villa Grande, Hacienda de la 

 Cruz, and Rio Camarcho, Nuevo Leon; Sierra Madre, near Victoria, Xico- 

 tencal, and Tampico, Tamaulipas; Misantla, Colipa, Plan del Rio, Jalapa, 

 Cuichapa, and Cordova, Vera Cruz). — Saiyin and Godman, Biol. Centr.-Am., 

 Aves, ii, 1895, 458 (Villa Grande, etc., Nuevo Leon; Valles, San Luis Potosi; 

 Cuesta de Misantla, Santa Ana, Hacienda Tortugas, Rio San Juan Martin, 

 etc., Vera Cruz).— Lantz, Trans. Kansas Ac. Sci. for 1896-97 (1899), 220 

 (Rinconada, Puebla). — Phtllips, Auk, xxviii, 1911, 76 (Caballeros, Rio Mar- 

 tinez, and Rio de la Cruz, TamauUpas). 



[Momotus] cseruleiceps Coues, Key N. Am. Birds, 1872, 187. — Sclateb and Salvin, 

 Norn. Av. Neotr., 1873, 102.— Shaepb, Hand-Hat, ii, 1900, 77. 



M[omotus\ cssruleiceps Ridgwat, Man. N. Am. Birds, 1887, 278. 



P[nonites] caenileiceps Bonaparte, Consp. Av., i, 1850, 165; Ateneo Italiano, 

 ii, 1854, 317 (Consp. Volucr. Anisod., 1854, 8). 



Momotus coeruleiceps Schlegbl, Mus. Pays-Bas, iii, no. 19, 1863, 4. 



Prionites caeruleocephalus Jaedinb and Selby, Illustr. Om:, iv, 1839, pi. 42. 



Momotus subhutu Lesson, Actes Soc. Linn. Bordeaux, xii, no. 41, Sept. 15. 1842, 

 190 (Mexico); Descr. Mam. et Ois., 1847, 265 (Mexico). 



MOMOTUS LESSONH LESSOKH Lesson. 



LESSON'S UOTHOT. 



Adults (sexes aliJce) . — Loral, orbital, and auricular regions, extreme 

 anterior portion of forehead, upper margin of malar region, and patch 

 on crown, black; forehead and sides of crown bright light greenish 

 blue (nile blue to turquoise), this passing posteriorly around posterior 

 margin of the black crown-patch where margined posteriorly by a 

 crescentic band of rich violet-blue (smalt), this again margined pos- 

 teriorly by a crescentic band of black, confluent with the black of super- 

 ciliary region and lores; black of auricular region margined above by 

 a narrow line of bright turquoise or nile blue; hindneck clear olive- 

 green (or somewhat greener) to tawny olive-green, passing into purer 

 green (nearly parrot green) or olive-green on back, scapulars, rump, 

 and upper taU-coverts; wings more decidedly green, passing into 

 greenish blue on primaries, primary-coverts, and aluld; tail green or 

 bluish green, becoming more bluish distally, the terminal spatules of 

 middle rectrices blue (dull cobalt or cserulean), rather broadly tipped 

 with dull black; chin, throat, and lower portion of malar region dull 

 light bluish green (nearly verdigris), the last with touches of bright 

 turquoise or nile blue along lower edge of the black suborbital area; 

 foreneck and chest varying (individually) from olivaceous-tawny to 

 light olive-green, the remaining under parts similar but gradually 

 becoming lighter and more greenish posteriorly; a conspicuous tuft 

 of narrow black feathers, edged toward base with light greenish blue, 

 in center of foreneck; bill black, sometimes paler on base of mandible; 

 iris red; legs and feet dusky (in dried skins). 



