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Show 722 DR. J. E. GRAY ON SPECIES OF RHINOCLEMMYS. [Nov. 1, 8. Notes on the Species of Rhinoclemmys in the British Museum. By J. E. G R A Y , F.R.S. &c. Having received two or three specimens of this genus, with the heads in a good state, I have been induced to compare the heads of all the species, as I believe that the colouring of this part affords good specific characters. I append a short description of the head of each species, and a figure showing the character of the markings. Rhinoclemmys melanosterna. RHINOCLEMMYS MELANOSTERNA. (Fig. 1.) Head black ; crown deep black, with a narrow, opaque, white streak from the nostrils over the eyes to the upper part of the temples, a broad, pale, indistinct streak from the middle of the orbit to the front of the tympanum, and a small spot beneath it on the hind edge of the orbit. Rhinoclemmys scabra. RHINOCLEMMYS SCABRA. (Fig. 2.) Head black above ; a round white spot on each side of the nose in front of upper edge of the orbit, with a white diverging streak on each side of the crown, commencing even with the middle of the upper part of the orbit, and extending to the temple, and with a small white spot on each side of the occipital edge of the crown ; temples with a white streak from the middle of the back edge of the orbit, another from the lower part of the back edge of the orbit, both extending towards the ear, with two or three small spots between them ; a third larger streak from the underside of the orbit, which is forked behind, one branch ascending and the other descending to the edge of the lower jaw, and with a round spot behind the fork ; the chin white ; the sides of the neck with numerous black and white streaks; the fore legs black, with a broad white streak down the |
