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Show 322 MR. P. L. SCLATER ON NEW AMERICAN BIRDS. [May 22, marginatis: rostro pallide corneo, pedibus dilute corylinis: long, tota 4'3, alar 2*3, caudar L9, tarsi 0 7. Hab. in Brasil. merid. prov. Matto Grosso et Rio de Janeiro (Natterer, sp. no. 152). Mus. Vindob. et P. L. S. Obs. Similis H. thoracico, Temm. (PL Col. 173. f. 1), sed fronte cinerea nee flavicante et colore pectoris saturatius flavo, pedibus quo-que pallidioribus distinguendus. I obtained a single example of this species in exchange from the Vienna Museum in 1864, through the kind offices of Herr von Pelzeln. The only described Hylophilus which resembles it is H. tho-racicus, from which it is easily recognizable by the differential characters given above. The first (spurious) primary in the present species measures about 0-8 inch from the insertion, and is 0*7 inch shorter than the second. The third is rather shorter than the next four following, which are nearly equal and longest. Natterer's M S . notes upon this species (his no. 152), as obligingly communicated to m e by Herr von Pelzeln, are as follows :- " Sapa-tiba, 28 March, 1818, adult female, found on low trees in the forest: Iris light reddish grey ; bill blue grey ; feet bright reddish-blue grey or dirty liliac ; feet strong and, like the bill, very Paras-like. A male, which had moulted all its tail-feathers, was of the same colours." At Rio de Janeiro, in February 1821, Natterer obtained another example of this species from trees in a garden, out of a flock of three, and further remarks, " Nostrils round, uncovered; tongue fleshy and pointed." 5. HYLOPHILUS BRUNNEICEPS, sp. nov. Olivaceus, capite toto cum cervice brunneis; alis obscure fuscis olivaceo limbatis: subtus albus, gutture et pectore brunneo parum tinctis : subalaribus flavicantibus : rostro et pedibus fuscis: long, tota 4*0, alar 2*2, caudar 1*6. Hab. in Brasil. merid., Ypanema (Natterer). Mus. Vindob. et P. L. S. I am not acquainted with any species of Hylophilus nearly resembling the present bird, for an example of which 1 am again indebted to Herr von Pelzeln and the authorities of the Imperial Cabinet. The first (spurious) primary in this species measures about 0-8 inch from its insertion. The second is about 0'65 longer. The third is slightly shorter than the four next following, which are nearly equal and longest. Natterer's notes on this species (his no. 371) are as follows:- " Ypanema, April 1819, in the underwood, on middling-sized trees, out of a little flock-male ; irides dark brown ; beak above dark grey, below bluish grey; nostrils oval, exposed; feet strong, light lead-colour." Other localities for the same species are Curytiba, Ytarare, and Jaguaraiba. 6. SPODIORNIS JARDINII, gen. et sp. nov. Spodiornis, genus novum ex familia Coerebidarum, afltne genen |