| OCR Text |
Show 1876.] SPECIES OF BOLIVIAN BIRDS. 357 female, the structure is much more normal. The primaries gradually increase in length from the first to the fifth, sixth, and seventh, which are nearly equal and longest. They have but a slight outward curvature at the extremities; and the inner webs are comparatively but slightly reduced. In L. fusco-cinerea, which in general size and structure comes nearest to the present bird, the primaries are normal throughout, and show none of these peculiarities. This singular wing-structure is worthy of at least a subgeneric distinction ; and we suggest the term Chirocylla* as indicative of it. 13. GRALLARIA ERYTHROTIS, sp. nov. Supra obscure olivacea, cinereo tincta: subtus valde dilutior et rufescente lavata, ventre medio pane albo: regione auriculari vivide rufa, fronte et superciliis hoc colore tinctis: rostro nigro, ad apicem albicante, pedibus dare corylinis: long, tota 6*0, ala 3*5, cauda 2*0, tarsi 2*0. Hab. Tilotilo, prov. Yungas, Bolivia. Obs. Species forma et statura omnino G. monticola, sed regione auriculari rufa distinguenda. 14. THAMNOPHILUS SUBFASCIATUS, sp. nov. (Plate XXXIII.) Supra cinereus olivaceo tinctus, pileo et alis extus rufis : subtus cinereus, pectore toto et ventre medio albo et nigro confertim transfasciatis: cauda nigra, rectricum pogoniis internis albo transfasciatis: subalaribus et remigum marginibus internis ochraceis: rostro corneo, pedibus nigris: long, tota 5'5, ala 2*7, cauda 2*6. Fem. Rufescenti-cinerea, pileo, alis extus et cauda rufis : subtus ochraceo-rufescens unicolor. Hab. Tilotilo, prov. Yungas, Bolivia. 06*. Sp. Th. argentino maxime affinis, sed fasciis pectoris nigris latioribus et crebrioribus, rostro fortiore et colore feminse diversa. 15. ASTURINA SATURATA, sp. nov. Supra fusca, dorsi plumis et scapularibus intus pallidiore fusco vel ferrugineo transfasciatis: capite toto fusco-nigro, gula concolori, albido vix striato : subtus pracipue in pectore saturate rufa, abdomine toto et tibiis pallido ferrugineo transfasciatis: crisso fulvo, fere unicolori: remigibus primariis rufis, nigro transfasciatis, intus in pogonio interiore fulvescenti-albis, apicibus fusco-nigris: cauda rufescenti-fusca, subtus dilutiore nigro trivittata; rectrice una utrinque extirna basin versus fasciis duabus angustis alteris notata: rostro nigro, cera et pedibus flavis: long, tota 15*0, ala 10*0, cauda 7*0, rostri a rictu 1*25, tarsi 2*55. Bab. Apollo et Tilotilo, Bolivia. Obs. A. nattereri forsan proxima, sed capite nigrescentiore et fasciis caudee pallidis distincte ferrugineis diversa. * Xelp, manus, et KVWOS, curvus. |
