20 Dr. A. Giintker on new Species of Snakes tusa, brevissima; anfractibus rapide crescentibus, ultimo magno. Apertura elliptica ; columella complanata. Operculum calcareum. Chromotis neritina, Dunker. Phasianella neritina, Dkr. Zeitschr. fiir Malakoz. 1846, p. 110; Krauss, Siidafrik. Moll. tab. 7. f. 6 ; Phil. Kuster's Chem. Conch. Cab., Phasia-nella, taf. 5. f. 6. Gena lineata, A. Adams, Proc. Zool. Soc. 1850 ; Sow. Thesaur. Conch., Stomatellinse, pi. 178. f. 26, 27. Hab. Cape of Good Hope. Dr. Krauss observes that the operculum is the same as that of Phasianella capensis, Dkr. V. — On new Species of Snakes in the Collection of the British Museum. By Albert Gunther, M.A., M.D., Ph.D. [Plate III.] The following species of Ophidians, previously desiderata in the Collection of the British Museum, have been procured since the publication of a paper on the same subject in this Journal (January 1862, p. 52). The total number of species in that collection is now raised to 627, and that of the typical specimens to 189. Those marked with an asterisk (*) are new. *Cercocalamus collaris. Central America. A. Giinther. *Brachyurophis semifasciata. Baranquilla, at the mouth of the River Magdalena (New Granada). Purchased. *Leptodira lcucocephala. Bahia. Dr. O. Wucherer. Leptognathus variegatus, Schley. British Guiana. Hoplocephalus bitorquatus (Alecto bitorquata, Jan). Clarence River. This snake is rare. Two specimens were contained in the collection sent by Mr. Krefft to the International Exhibi-tion. Hoplocephalus signatus (Alecto siguata, Jan). Clarence River. Sent by Mr. Krefft. Furina bimaculata, 1). & B. Western Australia. Purchased. Neelaps calonotus (Furina calonotus, B. & B.). Baranquilla. Pur-chased. Bothrops pictus (Lachesis pictus, Tschudi). Peru. Presented by Professor Nation, of Lima. Teleuraspis brachystoma (Bothriechis brachy stoma, Cope, Proc. Acad. Nat. Sc. Phil. 1861, p. 295). Lower Vera Paz. Messrs. Godman & Salvin. nummifera, Riipp. Lower Vera Paz. Messrs. Godman & Salvin. *Pcecilostolus Burtonii. West Africa. Major Burton.
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