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Show 1867.] THE BIRDS OF EASTERN PERU. 757 (72.) MYRMECIZA HEMIMEL^ENA, Sclater, P. Z. S. 1858, p. 249. A single skin, agreeing with the typical specimen in the British Museum. (74.) HYPOCNEMIS MYIOTHERINA (Spix). A series of ten specimens of this species proves, what we had long suspected, that " H. melanosticta, Sclater, f" (as figured P. Z. S. 1854, pl. LXXIII.), is the young male of this bird before the black throat is attained; and " H. melanosticta, 2 ." the female of this species. H. elegans, Sclater, of Bogota, is also probably merely the female of the same bird rather more deeply coloured below. (80.) EUSCARTHMUS SPICIFER (Lafr.). See our remarks on this species, P. Z. S. 1866, p. 1S7. (82.) LEPTOPOGON PERUVIANUS, sp. nov. Similis L. amaurocephalo, ex Brasilia or. merid., sed minor: pileo saturatiore, et cauda brunnea unicolore: long, tota 4*5, alee 2*3, caudce 2*0. Hab. Peruv. orient. Chyavetas (Bartlett). Dr. Cabanis has lately separated the northern form of this species as L. pileatus (Journ. f. Orn. 1855, p. 414). This is a third local form, resembling L. pileatus in the deep colour of the head, but smaller than either of the others, and without any green edgings to the tail-feathers. The bill of the single specimen sent is rather stouter, and the chest somewhat darker. (92.) EMPIDOCHANES FUSCATUS (Max.). See our remarks on this bird (antea, p. 578). We should rather have expected to find here the Cayenne form E. olivus. (95.) TYRANNUS AURANTIO-ATRO-CRISTATUS, Lafr. et D'Orb. See P. Z. S. 1866, p. 190. (97.) TITYRA ALBITORQUES, DU BUS. This is the true Tityra albitorques of DuBus (Bull. Acad. Brux. xiv. p. 104) ; and we are now for the first time enabled to compare it with the Mexican and Central American form, which we have hitherto referred to the same species. They are decidedly separable as local forms ; and the northern bird, being the Psaris fraseri of Kaup, may be called Tityra fraseri. It is larger than the present species, has a much longer bill, and the black bar on the tail much broader. (99.) LIPAUGUS LATERALIS, Gr. R. Gray; Sclat. et Salv. Ex. Orn. p. 6. In our synopsis of these birds in ' Exotic Ornithology' we have kept the present Peruvian form separate from the Brazilian L. hypopyrrhus. The specimens in Bartlett's collection do not tend to confirm this view, and the point requires further examination. |