BIRDS OF NORTH AND MIDDLE AMERICA. 121 



viN andGoDMAN, Biol. Centr.-Am., Ave?, ii, 1892, 233, part (Cdrdova, Cerro 



de la Defensa, Atoyac, and Playa Vicente, Vera Cruz; Vera Paz, Chis^c, 



Kampamac, Choctum, and Tactic, Guatemala).— Ridg way, Proc. U. S. 



Nat. Mus., xvi, 1893, 683 (nionoRr.). 

 [Fonnicarius] moniUger Sclater, Proc. Zool. Soc. Lond., 1857, 47, in text. — 



ScLATER and Salvin, Nom. Av. Neotr., 1873, 75, part. — Sharpe, Hand-list, 



iii, 1901, 39, part (s. Mexico; Guatemala). 

 Myrmomis moniliger Cabanis, Journ. fiir Orn., 1861, 96. 

 [Mynno7-nis] mo7iiliger Heine and Reichenow, Nomencl. Mus. Hein. Orn., 1890, 



124 (Mexico). 

 Formicarius moliniger Boucard, Ann. Soc. Linn. Lyon, 1878, 49 (Guatemala). 



FORMICARIUS MONILIGER INTERMEDIUS Ridgway. 



INTERMEDIATE ANTTHRUSH. 



Much paler and less rufescent above than F. m. moniliger, darker 

 and more rufescent than 7^^. m. paUidus;'^ under parts pale as in F. m. 

 'pallidus, but the color decidedly clearer (less buffy) gray. 



Adult ?nfl?f.— 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) Sclater, Cat. Birds Brit. Mus., xv, 



1890, 303, part (Brit. Honduras). — Salvin and Godman, Biol. Centr.-Am., 



Aves, ii, 1892, 233, part (Cayo, Brit. Honduras). 

 [Formicarius] moniliger finKnvE, Hand-list, iii, 1901, 39, part (Brit. Honduras). 

 Formicarius moniliger intermeditis Ridgway, Proc. Biol. Soc. Wash., xxi, Oct. 20, 



1908, 194 (forest near JManatee 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 brow^n and 

 Isabella color, brightening into raw-umber on upper tail-coverts), 

 the abdominal region (extensively) grayish wdiite or very pale buffy 

 gray. 



o In F. m. moniliger the color of the back varies from bright mummy brown to 

 chestnut-brown; in F. m.. intermediiis it is deep raw-umber, while in F. m. pallidus 

 it is light olive-brown or between broccoli brown and isabella color. In F. vi. pcdlidus 

 the color of the chest is drab-gray, in F. m. intermedius mouse gray. 



b Four specimens. 



c One specimen. 



