^°l893y''] PROCEEDINGS OF THE NATIONAL MUSEUM. 685 



neck is a duller, more ciiinaraomeous, hue. It does not, however, ap- 

 proach iu intensity of cohn^ition even the palest and dullest colored 

 specimens of F. moniliger from Guatemala, Honduras, and other parts 

 of the latter's range. Its measurements are as follows: Length, 

 (stretclted skin), about S.OO; wing, 3.o5; tail, 2.23; exposed culmen, 

 0.82; tarsus, 1.20; middle toe, 0.80. 



While there can be no doubt that this form is merely a pallid local 

 race of F. moniliger, and should therefore be known as Formicarius 

 moniligcr 2)aUi(lus, we have not yet the proof of such fact; and, iu order 

 to preserve nniformity of nomenclature in this paper, I have given it a 

 binomiiil appellation, as I have done with forms which undoubtedly are 

 conspecihc with F. anali.s. 



11. Forinicarius rufipectus Salvin. 



Fonnicarhis rufipectus Salv., P. Z. S., 1866, 73, 74, pi. viii (Veragua); 1867, 145 

 (do.). — ScL. and Salv., Nom. Neotr., 1873, 75 (Veragua). — :Scl., Cat. B. Prit. 

 Miis., XV, 1890, 306 (Veragua; Baisa, Ecuador?). — Salv. audCoDM.. Bird. Centr.- 

 Am., Aves, ii, pt. 30, 1892, 235 (Santiago do Veragua; Baisa, Ecuador?). 



? Formicariua thoracicii-i '•' Stolzm. MS.," Taczan. and Berl., P. Z. S., 1885, 101 

 (Macliay, e. Ecuador). 



IIab. — Veragua; eastern Ecuador? 



Sp. Char. — Above brownish black, the rump dusky rufous, the 

 l)ileum tinged with rufous; lores and throat black; breast, crissnm, 

 and middle of the belly chestnut-rufous; sides of the body sooty; bill 

 black; feet brown. 



Total length, 7 inches; wing, 3.40; tail, 2.25; tarsi, 1.50; bill to the 

 rictus, 1.10. 



Similar to F. analis (D'Oiin. and Lafk.), butat first sight distin- 

 guished by the chestnut-rufous breast. [Translation of the original 

 descri[)tion.J 



According to Mcssis. Salvin and (iodnum (Biol. Ccntr.-Am., Aves, ii, 

 pt. 30, i)p. 235, 23(»), "this well-marked species comes next to F. atuilis 

 [i. c, F. nif/rlc((j)iJlif.s- ('\\{n\U''\ in many of its characters, such as the 

 absence f>f the wliit*' spot on the ]or«\s and the wholly black ear coveits. 

 Its rufous breast, however, renders it readily distinguishable as well 

 from F. aiitdi.s ns from all its congeners." 



Xever having seen a specimen of this very distinct species, I am 

 unable to give a nuuH' detailed description of it. 



(12?) Formicariu.s thoracicu.s 'I'm zniiowsKi iind von BcrlejtKrli. 



Forniicdrhix Ihnrnciciis "Stoi.zai. MS." Taczan. and P.ian,., ]'. Z. S., 1885. 101 (Mnnlny, 

 o. Mcuador).— S<L.,(Jiit. B. Prifr. Mus., xv, 1890. 301 footnote— Saca'. and (UutM., 

 I'.iol. Centr.-Ani., Avca, li, pt. .30, 1890, 236, sub J'. viifiprctnH. 



Hap.— Eastern Ecuador (]\lachay, altitude 5,000 feet). 



Sp. Char. — Above dusky olive brown; entire head, wilh throat, 

 blnck; breast dark rufous; abdomen olive broAvii; innler tail coverts 

 rnf(ms; wings blackisli, the npi)er coverts and the onler webs of the 



