TROGON DIARDII, tenn Diard’s Trogon. SpeciFic CHaRactTer. Mas. ‘Trog. capite sanguineo ; fascid nuchali rosacea ; dorso arenaceo-brunneo ; alis albo nigro- que minute fasciatis, remigibus nigris ; gutture pectoreque nigris ; ventre miniaceo ; rectrici- bus intermedirs duabus brunneis nigro apiculatis, duabus proximis utrinque nigris, reliquis ad basin nigris apicem versus nigro alboque marmoratis. Fem. Fascia nuchal nulla; capite fusco-brunneo ; alis brunneo nigroque fasciatis ; pectore brunneo ; ventre quam in mare pallidiore. Rostrum nigrescens ; orbite nude coccinee ; pedes flavescenti-brunnei. Male. Crown of the head deep blood red; throat and chest black; a nuchal band of rose pink separates the rich colouring of the head from the back, which with the upper tail-coverts are dark sandy brown; wings minutely barred with black and white, quills black; breast and under surface carmine; thighs black; two middle tail-feathers rich brown tipped with black, the two next on each side black, the rest black at their base and marbled for the remainder of their length with black and white; bill blackish ; bare space round the eye scarlet ; feet yellowish brown. Female. Destitute of the nuchal band and having the top of the head dusky brown; the back and tail as in the male, the outer feathers being less thickly dotted with black; chest brown ; wings barred with brown and black ; quills black; abdomen pale carmine. Total length, 12+ inches; bell, 1; wing, 5+; tail, OF; tarst, =. Trogon Diardi. Temm., Pl. Col.54 Tus islands of Sumatra and Borneo constitute the native habitat of this beautiful species, which has been dedicated to the memory of an intelligent French naturalist, who in the flower of his youth fell a sacrifice to the unhealthy climate of the East. His name is associated in most of his zoological pursuits with that of the son-in-law of the illustrious Cuvier, the intelligent and zealous Duvaucel. Like Trogon Temmincki it possesses a nuchal band of rose pink, a feature not to be found in any other than these two species. con Diardi with its robust bill indicates it to be a bird of considerable power The general contour of Trog ea and strength ; in these particulars it exceeds Trogon Temminckii, from which it also differs in the markings Sul; 6 of the three outer tail-feathers, in the total absence of the white pectoral band, and in the colouring of the bare skin round the eyes. It is the only species yet discov the three outer tail-feathers, a character so new continent: in this instance the white feathers of the tail than with decided bars. ered in the Old World exhibiting any tendency to the barred markings of frequently observed in the members of this family inhabiting the are covered with fine marbled markings rather