TROGON MASSENA, Gould. Prince Massena’s Trogon. Mas. Trog. vertice, corpore supra, pectoreque nitidé viridibus ; loro, plumes auricularibus, et gutture nigris ; ala media cinerea nigro delicate striata, primariis extus albo marginatis ; rectricibus cauda duabus intermedius purpureo-viridibus, ad apicem nigris ; reliquis NIQTIS ; pectore, corporeque subtus cocciners ; rostro flavo ; pedibus cinereo-olivacers. Fem. Vertice, corpore supra, gutture, pectore, abdomineque superiore intensé cceruleo-cinereis ; abdomine imo, lateribus, crissoque coccineis, alis cauddque nigris ; secondariis, tectrictbusque ale minoribus guttulis cinereis adspersis ; mandibuld superiore nigra, imferiore flava ; pe- dibus fuscis. Male. Crown of the head, all the upper surface and chest fine green ; lores, ear-coverts and throat black, gradually passing into the green; centre of the wing finely pencilled with black on a grey ground ; primaries black, margined on their external webs with white ; two centre tail-feathers purplish green, tipped with black, the remainder wholly black ; breast and under surface rich scarlet ; bill yellow ; feet greyish olive. Female. Crown of the head, the upper surface, throat, chest and upper half of the belly dark bluish grey ; lower part of the belly, flanks and under tail coverts scarlet ; wings and tail black, the secondaries and lesser wing-coverts powdered with extremely fine spots of grey ; upper mandible black ; lower mandible yellow; feet dark brown. Total length, 14 inches ; bell, 14; wing, 7+; taal, 7; tarsz, +. I sevieve I may safely assert that no example of this fine Trogon exists in any of the public or private collections of England. On the continent, however, I have had opportunities of examining specimens in the Museums at Vienna and Leyden, and in the fine collection of the ‘‘ Jardin de Plantes,” at Paris: Prince Massena also possesses several examples ; among which there is a series consisting of the old and young male, and the female ; and it is from these that my figures are taken. In dedicating this species to Prince Massena, I am desirous of paying a just compliment to a nobleman ardently attached to the science of Zoology, and to acknowledge his many acts of kindness towards myself. Habitat. Mexico.