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Show 218 MR. O. SALVIN ON THE BIRDS OF VERAGUA. [Mar. 24, 196. ODONTOPHORUS MARMORATUS, Gould; Scl. &Salv. P. Z.S. 1864, p. 371. Bugaba. Agrees with Panama specimens. 197. ODONTOPHORUS GUTTATUS, Gould. V. de Chiriqui. Tinamus robustus. Bugaba. 198. CRYPTURUS MESERYTHRUS, Scl.; Scl. & Salv. Ex. Orn. p. 93, t. 47. Chitra. 199. ARDEA CEERULEA, L. Castillo. 200. EGRETTA CANDIDISSIMA (Gm.). Castillo. 201. BUTORIDES VIRESCENS (L.). Chitra ; Calobre. 202. TIGRISOMA CABANISI, Heine; Scl. & Salv. Ex. Orn. p. 95, t. 48. Laguna del Castillo. 203. CANCROMA COCHLEARIA, L. Mina de Chorcha. Eurypyga major. Cordillera del Chucu; V. de Chiriqui. Parra melanopygia, Scl. P. Z. S. 1856, p. 283. Calobre; Castillo. 204. PARRA HYPOMELSNA, Gray & Mitch. Gen. B. t. 159 ; Scl. P. Z. S. 1856, p. 283. Calobre. Both these species have been sent by Arce. They are much more nearly allied than appears at first sight. Some specimens of P. hypo-meleena show purple-brown feathers ou the back, and thus indicate a tendency to the assumption of an intermediate state of plumage leaning towards P. melanopygia. I think it probable that a large series of specimens would show every gradation of plumage between P. hypomeleena and P. melanopygia, including also P. intermedia (described in Sclater's paper, I. c). In Costa Rica the true P. gymnostoma, Wagl., occurs, which may at once be distinguished by the frontal caruncle being divided posteriorly into three lobes, and by the total absence of the rictal caruncle. |