BIEDS OF NORTH AND MIDDLE AMERICA. 465 



M<ymotus mexicanus Swainson, Philos. Mag., n. s., i, 1827, 442 (Temiscaltepec, 

 Mexico). — ^Lesson, Descr. Mam. et Oia., 1847, 266. — Gray, List Fissirostr, 

 Birds Brit. Mus., 1848, 40.— Sclatbb, Proc. Zool. Soc. Lond., 1857, 253 

 (monogr.); 1860, 252 (Orizaba, Vera Cruz); Cat. Am. Birds, 1862, 262, part.— 

 ScHiEGEL, Mua. Pays-Bas, Momoti, 1863, 6 (Mexico). — Sumichrast, Mem. 

 Bost. Soc. N. H., i, 1869, 560 (Vera Cruz). — Lawrence, Mem. Best. Soc. 

 N. H., ii, 1874, 289 (Mazatlan, Sinaloa; Plains of Oolima; habits; descr. 

 nest and eggs). — Fbreaei-Peeez, Proc. U. S. Nat. Mus., ix, 1886, 160 (Chietla 

 Puebla). — Sharpe, Cat. Birds Brit. Mus., xvii, 1892, 328, part (Mazatlan; 

 Bolafios, Beltran, atid Tonila, Jalisco; Santiago and San Bias, Tepic; Plains 

 of Colima; near City of Mexico; Chietla, Puebla). — Joinr, Proc. U. S. Nat. 

 Mus., xvi, 1893, 785 (San Marcos, Jalisco; habits, voice, etc.). — Salvin and 

 GoDMAN, Biol. Centr.-Am., Aves, ii, 1895, 460, part (Presidio de Mazatlan, 

 etc., Sinaloa; Cuernayaca, Morelos; etc.). — Bailey (H. H.), Auk, xxiii, 

 1906, 388 (San Bias, Tepic). 



M\pmotus\ mexicanus Gray, Gen. Birds, ii, 1847, 68. — EtoewAY, Man. N. Am. 

 Birds, 1887, 278, part. 



[Momotus] mexicanus Bonaparte, Ateneo Italiano, ii, 1854, 317 (Oonsp. Volucr. 

 Anisod., 1854, 7).— Gray, Hand-liat, i, 1869, 80, no. 938, part.— Sclatee and 

 Salvin, Nom. Av. Neotr., 1873, 102, part.— Sharpe, Hand-list, ii, 1900, 77. 



Prionites mexicanus Wagler, Isis, 1831, 528. — Swainson, Classif. Birds, ii, 1837, 

 338. — Swainson, Zool. lUustr., ser. 2, ii, Aug., 1831, pi. 81. 



[Prionites'] mexicanus Bonapabte, Oonsp. Av., i, 1850, 165. 



C[ryhelus\ meodcanus Oabanis and Heine, Mus. Hein., ii, 1859, 113. 



[Cryhelusl mexicanus Heine and Rbichenow, Nom. Mus. Hein. Om., 1890, 155. 



Prionites martii (not of Spix) Swainson, Zool. lUustr., ser. 2, ii, 1831-32, pi. 81. 



Momotus martii Jaedine and Selby, lUustr. Om., i, 1827, pi. 23. 



Momotus mexicanus saturatus (not of Nelson) Miller (W. De W.), Bull. Am. Mus. 

 N. H., xxi, 1905, 351 (Escuinapa, etc., Sinaloa; habits). 



MOMOTUS MEXICANtrS SATURATUS Nelson. 



COAST UOTUOT. 



Similar to M. m. mexicanus but decidedly larger, and averaging 

 deeper in color.'^ 



Adult male.— Length (skins), 313-355 (340); wing, 115-131 (122.2); 

 tail, 166-191 (170.8); exposed culmen, 37-46.5 (42); tarsus, 25.5-^8.5 

 (28.9); middle toe, 17.5-19 (19.2).» 



Adult female.— Length, (skins), 318-350 (331); wing, 114.5-127 

 (123.2); tail, 147.5-190 (176); exposed culmen, 37.5-43.5 (41.3) 

 taraus, 25-27 (25.8); middle toe, 17.5-19 (18.9)." 



Pacific slope of southern Mexico, in States of Guerrero (El Lim6n 

 El Rinc6n; Acapulco; Iguala; Amula; CHlpancingo; Egido Nueyo) 



« The color difference mentioned in the original description are by no means con 

 stant, occasional specimens being not at all different in color from M. m. mexicanus. 

 while of the latter some specimens are as deeply colored as any of M. m. saturatus. 

 The average difference is quite perceptible, however, and the average difference in 

 size very marked. 



6 Fourteen specimens. 



Thirteen specimens. 



3622°— BuU. 50, pt 6—14 30 



