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Show 1870.] DR. O. FINSCH O N THE BIRDS OF TRINIDAD. 573 last-named ornithologist, having before him twenty-four specimens from Natterer's collection, agrees with me in accepting only one species. The occurrence of this bird in the United States (New Jersey), as stated by Audubon, has not yet been confirmed. The size is variable in a hij>h degree. *o" •""'&• Long. al. rectr. ext. rostr. tars. dig. med. 4" 1"' _ Qim 8'" 6'" (jun. Trinidad.) 3 10 5" 3'" 6 7 5 (jun. Guiana.) 3 6 4 2 5 7-? 5 (jun. Guatemala, type of 31. monachus.) 4 3 8 5 6 8 5 ( S ad., Rio Grande do Sul.) „ „ 3 11 8 0 6 8 5 (cS ad., Rio Grande do Sul.) 4"l"'-4 3 9"-9 3 6! 8 5-5± (S ad., Bolivia.) Fam. COTINGIDAE. TlTYRINiE. 53. P A C H Y R H A M P H U S NIGER, Spix; Scl. Cat. p. 241; Taylor, I. c. p. 87. Tityra nigra, Leot. p. 241. Two males in adult plumage, and one female. One male black below, only the under tail-coverts being speckled with grey; the other has the whole underparts speckled very minutely with grey on a fuliginous ground. The female agrees very well with the excellent description given by Dr. Leotaud, but shows a singular peculiarity in having the six tail-feathers on the left side with white apical spots, those on the right side with much broader ochreous ones. The female described hy Dr. Sclater (P. Z. S. 1857, p. 76), " rufa, subtus valde dilutior, ochracescens," does not belong to this species. PlPRINiE. 54. PIPRA AURICAPILLA, Briss.; Scl. Cat. p. 249 ; Taylor, I. c. p. 87. Pipra erythrocephala (L.) ; Leot. p. 255. Twelve old specimens, not different from Cayenne and Demerara specimens. Long. al. caud. rostr. tars. 2" l'"-2" 2|'" 8|-9'" H~W 6|'" 55. CHIROMACH.ERIS MANACUS (L.) ; Scl. Cat. p. 252 ; Taylor, I. c. p. 87. Pipra gutturalis, Leot. p. 252. Two males and a female. There is no difference in specimens from Guiana and Brazil. Von Pelzeln (Orn. Bras. ii. p. 130) has pointed out very accurately the distinguishing characters between this species and the nearly P R O C ZOOL. Soc-1870, No. XXXVIII. |