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Show 5S6 MR. P. L. SCLATKR ON THE CAPRIMULGI D.E. [Dec. 13, marked species there is a single specimen in the Derby Museum, " purchased of Mr. Warwick " in 1849. It is in a bad state, but is immediately recognizable by the peculiar form of the white terminations of the three lateral rectrices, the inner edges of which, when the tail is partially expanded, form a line slanting inwards and downwards towards the centre of the tail. This is well shown in Mr. Cassin's figure (Journ. Acad. Phil. ii. pi. 12). The Derbyan specimen is smaller in dimensions than that described by Mr. Cassin, measuring "whole length 10*0, wing 6*6, tail 5*1," and seems to be rather darker in plumage. The skin in m y collection, spoken of (antea p. 137) as "probably referable" to this species, belongs to another, apparently undescribed, which I propose to call ANTROSTOMUS ORNATUS, sp. nov. (PL XLV.) Nigricans rufo et fulvo mixtus, capitis striis longitudinalibus nigris : alis et cauda nigris rufo punctatis, primariis rufo obsolete transfasciatis; caudar rectricibus tribus externis fulvo late terminatis, pari secundo et tertio ab extra macula magna ovali, pogonium interius et exterioris partem vicinam oceu-pante, supra alba, subtus fulva, ornatis: rectricibus quatuor mediis dorso concoloribus: subtus dorso concolor, sed prarcipue in pectore imo et ventre magis albicans, crissi plumis fere omnino fulvis, nigro irregulariter transvittatis : torque jugulari, plumas auriculares utrinque attingente, flavido. $ rectricibus lateralibus cum mediis concoloribus. Long, tota 10 poll. AngL, alae 6*5, caudae 4*5; rostri a rictu lin. dir. 1*3, tarsi 1*2. Hab. in Brasilia. Besides m y own female specimen, there is a pair of this species in the British Museum, from the male of which the figure (Plate XLV.) is taken. There is a similar pair in the Paris Museum. This species is like A. rutilus, but is very much blacker altogether, although, had I not seen several examples of it (as above cited), I should hardly have ventured to separate them. Another point of distinction would seem to be in the large oval spots of the second and third pairs of rectrices (fig. 3, p. 587). These are pure white on the upper surface, and fulvous (like the broad margin which surrounds them) below. This does not seem to be the case in A. rutilus, judging from Herr von Pelzeln's description given above. The general form of this species agrees with that of A. rutilus. The rictal bristles are strong and well developed, about nine in number on each side. The wings reach to about 1*2 inch from the end of the tail. The second primary is rather longer than the third and longest, the first being slightly longer than the fourth. The tarsi are feathered above, about three parts of the way down, and naked altogether below. ANTROSTOMUS MACULICAUDUS. (PL XLVI.) Stenopsis maculicaudus, Lawrence, Ann. Lye. N. Y. vii. p. 459. Mr. Lawrence has kindly sent m e the typical specimen of this bird also, which I had not previously seen. It is a very distinct species, |
