BIRDS OF NORTH AND MIDDLE AMERICA. 121 
vin and GopmaN, Biol. Centr.-Am., Aves, ii, 1892, 233, part (Cérdova, Cerro 
de la Defensa, Atoydc, and Playa Vicente, Vera Cruz; Vera Paz, Chiséc, 
Kampamfc, Choctim, and Tactic, Guatemala).—Ripeway, Proc. U. 8. 
Nat. Mus., xvi, 1893, 683 (monogr.). 
[Formicarius] moniliger SctaTER, Proc. Zool. Soc. Lond., 1857, 47, in text.— 
ScLaTerR and Satvin, Nom. Av. Neotr., 1873, 75, part—Suarpr, Hand-list, 
iii, 1901, 39, part (s. Mexico; Guatemala). 
Myrmornis moniliger CaBants, Journ. fiir Orn., 1861, 96. 
[Myrmornis] moniliger Huns and Rercuenow, Nomencl. Mus. Hein. Orn., 1890, 
124 (Mexico). 
Formicarius moliniger Boucarp, Ann. Soc. Linn. Lyon, 1878, 49 (Guatemala). 
FORMICARIUS MONILIGER INTERMEDIUS Ridgway. 
INTERMEDIATE ANTTHRUSEH. 
Much paler and less rufescent above than F. m. moniliger, darker 
and more rufescent than F. m. pallidus; under parts pale as in F’. m. 
pallidus, but the color decidedly clearer (less buffy) gray. 
Adult male—Length (skins), 163-180 (170); wing, 86-91 (88); 
tail, 51-58 (54); culmen, 19.5-22 (21); tarsus, 30-32 (31); middle 
toe, 19-20.5 (19.9).° . 
Adult female.—Length (skin), 169.5; wing, 90; tail, 51.5; culmen, 
20; tarsus, 30.5; middle toe, 19.° 
British Honduras (forest near Manatee Lagoon; Manatee River; 
Toledo District; Cayo). 
Formicarius moniliger (not of Sclater, 1856) SctaTerR, Cat. Birds Brit. Mus., xv, 
1890, 303, part (Brit. Honduras).—Satvin and Gopmay, Biol. Centr.-Am., 
Aves, ii, 1892, 233, part (Cayo, Brit. Honduras). 
[Formicarius] moniliger SHarre, Hand-list, iii, 1901, 39, part (Brit. Honduras). 
Formicarius moniliger intermedius Ripaway, Proc. Biol. Soc. Wash., xxi, Oct. 20, 
1908, 194 (forest near Manatee Lagoon, British Honduras; coll. Carnegie 
Mus.). 
Formicarius monileger Lantz, Trans. Kansas Acad. Sci. for 1896-97 (1899), 221 
(Cayo, Brit. Honduras). 
FORMICARIUS MONILIGER PALLIDUS (Lawrence). 
YUCATAN ANTTHRUSH. 
Similar to F. m. intermedius but coloration still paler, the general 
color of upper parts light olive-brown (between broccoli brown and 
isabella color, brightening into raw-umber on upper tail-coverts), 
the abdominal region (extensively) grayish white or very pale buffy 
gray. 
@In F. m. moniliger the color of the back varies from bright mummy brown to 
chestnut-brown; in F. m. intermedius it is deep raw-umber, while in F. m. pallidus 
it is light olive-brown or between broccoli brown and isabella color. In F. m. pallidus 
the color of the chest is drab-gray, in F. m. intermedius mouse gray. 
b Four specimens. 
¢ One specimen. 
