Dr. A. Gunther on new Species of Snakes. 89 



XII. — Fourth Account of new Species of Snakes in the Collection 

 of the British Museum. By Albert Gunther, M.A., M.D., 

 Ph.D. 



[Plates II. & III.] 



The following species of Ophidians have been added to the 

 Collection of the British Museum since the publication of the 

 last paper on the same subject in this Journal (November 1863, 

 p. 348). The total number of species in that collection amounts 

 now to 789, and that of the typical specimens to 289. 



In the following lists some of the species are marked with an 

 asterisk (*) : they will be described in this paper. 



I. List of Species which were formerly desiderata. 



Calamaria leucogaster, Blkr., = C. Rebentischii, Blkr. Sumatra, 

 Sinkawang. Dr. P. Bleeker. (Typical specimens.) 



monochrous, Blkr. Sumatra. Dr. P. Bleeker. (Typical 



specimen.) 



borneensis, Blkr. Sintang. Dr. P. Bleeker. (Typical spe- 

 cimen.) 

 Roelandt\ Blkr. Borneo. Dr. P. Bleeker. (Typical spe- 



cimen.) 

 margaritophora, Blkr. Sumatra. Dr. P. Bleeker. (Typical 



specimen.) 

 agamensis, Blkr., = C Dumerilii, Blkr., = C. Sinkawangensis, 



Blkr. Sumatra, Sinkawang. Dr. P. Bleeker. (Typical spe- 

 cimens.) 

 Prosymna meleagris, Rhrdt. Valley of the Shire. Purchased. 

 *Polemon Barthii, Jan. Old Calabar. Purchased. 

 Uriechis capensis (Elapomorphus capensis, Smith). Caffre-land. 



Sir A. Smith. (Typical specimen.) 

 Ablabes decemlineatus, D. fy B. Palestine. Rev. H. B. Tristram. 

 Coluber lineaticollis, Cope. Duenas. Messrs. Godman & Salvin. 

 Mastigophis lateralis, Hallowell. California. Purchased. 



Dromicus portoricensis, Rhrdt. • 1 A. Gunther. 



Gonyosoma Jansenii, Blkr. Manado. Dr. P. Bleeker. 

 Psammophis oxyrhynchus, Rhrdt. Pungo Andongo. Dr. Wel- 



witsch. 

 Dipsas variegata, Rhrdt. "West Africa. Purchased. 



obtusa, Reuss. Egypt. Rev. O. P. Cambridge. 



gemmistrata, Cope. Pacific Coast of Guatemala. O. Salvin, 



Esq. 



Tropidonotus semicinctus, D. fy B. 1 Dr. P. Bleeker. 



Ogmodon vitianus, Peters. Feejee Islands. A. Gunther. 

 Vermicella Bertholdi, Jan. Swan River. Purchased. 

 *Brachyurophis australis, Krefft. Clarence River. G. Krefft, Esq. 

 Naja mossambica, Peters. Zambesi River. Dr. Kirk. 

 Cerastes caudalis, Smith. "West Africa. Dr. Welwitsch. 



