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Show 614 DR. G. H A R T L A U B O N A N E W PSITTACULA.. [June 16, North Brazil, not to be confounded with Ps. passerina, (3) Ps. cyanopyga, from the island of Tres Marias, (4) Ps. ccelestis, and (5) Ps. conspicillala,-and after having searched most assiduously, but without success, for a description in the systematical works, I think that I am justified in describing my Psittacula as of a new species. May I be allowed to name it after m y friend Dr. W . Spengel, a well-known zoologist and the able Director of the Bremen Museum. PSITTACULA SPENGELI, sp. nov. (Plate XXXVIII. fig. 1.) Minor: rostra pro mole magna et valde robusto; late et dilute psittacino-viridis : pileo latius et purius tincto ; gastrao nonnihil in fiavidum vergente; tergo infimo, uropygio et supracaudalibus dilute azureis; subalaribus prope marginem internum ala ex azureo-malachitaceis, dein intense cobaltino-cyaneis: tectricibus remigum sec. ord. uropygio concoloribus; alula spuria nigro-carulescente ; scapularibus dorso concoloribus rectricum pure et dilute viridium pogoniis internis subvirescenti-flavis, mediis totis viridibus ; subcaudalibus nitide et dilutissime viridibus ; rostro pallido ; pedibus incarnatis. Long. tot. circa 107 millim.; ala 81 millim.; caud. 30 millim. The colour of the upper parts is a light parrot-green, finer and purer on the crown and the sides of the head ; underparts somewhat lighter with a faint yellowish shade ; rump and upper tail-coverts of a fine light turquoise-blue (the same as in Ps. cyanopyga) ; greater wing-coverts of the same colour; primaries black on the inner and green on the outer webs ; under wing-coverts near the margin of the wing of the same light turquoise-blue, but nearer the body of a fine blue ; tail-feathers light green, the inner webs of the lateral rectrices yellow, with an indistinct greenish shade ; under tail-coverts of a very light yellowish-green ; beak very large, whitish ; feet flesh-coloured. Psittacula spengeli resembles P. cyanopyga in the turquoise-colour of the rump ; but differs from it in its smaller size, in the much larger beak, in the cobalt-blue spot on the inner wing-coverts, and in the yellow inner webs of the rectrices. In Psittacula cyanochlora, Natt. (passerina, 8 jr., Finsch), the inner wing-coverts are very much like those of Ps. spengeli; but the colour of the rump is, as in the former species, a brilliant emerald-green, and the inner webs of the rectrices are not yellow but green with yellowish margins. Psittacula cyanochlora is altogether a larger bird with a much smaller beak. The cobalt-blue colour of some of the tectrices of the primaries, so apparent in Ps. cyanochlora, is entirely wanting in Ps. spengeli. So far as I know, Psittacula spengeli is the only member of this lovely little group in which the colour of the inner wing-coverts repeats that of Ps. passerina &c., and the colour of the rump that of Ps. cyanopyga. I take this opportunity of sending for exhibition a typical specimen of Ps. cyanochlora, Natt. M S , which, as already observed, has been |