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Show 1866.] MR. O. SALVIN ON NEW BIRDS FROM VERAGUA. 71 differs from both in having a membrane partially covering the nostril. Heterorhina appears to be a section of Thryothorus, differing from it by its proportionately shorter tail and stronger legs. (See Baird's remarks on the subgeneric characters of the American Wrens.) The subjoined list gives the chief references to the several members of this genus :- (1.) MICROCERCULUS BAMBLA (Bodd.), ex Buff. PI. Enl. Cyphorhinus (Microcerculus) bambla, Scl. Cat. no. 120; ex Cayenna. (2.) M. PHILOMELA, Salv. P. Z. S. 1861, p. 202 (nee Lawr., nee omnino Baird) ; ex Vera Pace. (3.) M. ALBIGULARIS, Scl. P. Z. S. 1865, p. 67; Cat. no. 122; ex Fl. Napo. (4.) M. LUSCINIA, Sal; , ex Veragua et Panama. Cyphorhinus philomela, Lawr., et M. philomela, Baird, Rev. A m . Birds, p. 114 (partim). (5.) M. MARGINATUS, Scl. P. Z. S. 1855, p. 145 ; ex Peru et Bogota. M. philomela is a wonderful songster ; I have often listened to it; the note is higher and clearer than that of any bird I know. 3. ElTPHONIA RUFIVERTEX, Sp. n. (PI. VII.) J . E. supra nitenti-purpurascenti-nigra, pileo toto etfronte rufo-castaneis, hoc paulo fiavidiore : loris, capitis lateribus et gut-ture purpurascenti-nigris: subtus flava, medialiter aurantiaca: crisso albo : alis nigris, tectricibus carulescente marginatis, tectricibus subalaribus albis: macula in pogonio interno duarum rectricum utrinque extimarum alba, rectricibus reliquis nigris : rostro et pedibus nigris. $ . Supra olivaceo-viridis, nucha plumbea, fronte rufo tincta : alis et cauda fusco-nigris, extus olicaceo-viridi marginatis : subtus cinerea : ventre imo et crisso dilulutioribus: mento et corporis lateribus fiavo-olivaceis : rostro et pedibus plumbeis. S. Long, tota 3*75 poll., alae 2-5, caudae 1*5, tarsi *65, rostri a rictu "4. Hab. in Veragua et Costa Rica. Obs. Affinis E. ruficipiti, Laf. et D'Orb. ex Bolivia, sed pileo toto rufo-castaneo et crisso albo dignoscenda. The white marking of the tail on the outermost rectrix extends to the inner margin of the web, but not to the extremity, and is about one-third of the length of the whole feather. The spot on the second rectrix is quite surrounded by black. A single specimen received in a former collection from Arce, from Turrialba in Costa Rica, had been labelled by me, with doubt, E. gracilis, Cab. The specimen is in quite young plumage, and on re- |