in the Collection of the British Museum. 25 
Onychocephalus Kraussii, Jan. Old Calabar and Fernando Po. 
Purchased. 
lalandii, Schleg. Cape of Good Hope. Purchased. 
— Bibronii, Smith. Cape of Good Hope. Sir A. Smith. 
(Typical specimen.) 
verticalis, Smith. Cape of Good Hope. Sir A. Smith. 
(Typical specimen.) 
capensis, Smith. Cape of Good Hope. Sir A. Smith. 
(Typical specimens. ) 
mucruso, Pérs. Zambesi Expedition. 
mossambicus, Pérs. Mozambique. Purchased. 
Stenostoma cairi, D. f B. Thebes. Prof. Peters. 
macrolepis, Pérs. Mexico. Purchased. 
macrorhynchum, Jan. Euphrates Expedition. 
—— bilineatum, D. § B. Martinique. Purchased. 
nigricans, Smith. South Africa. Sir A. Smith. (Typical 
specimens. ) 
fallax, Pérs. Peru. Prof. Nation. 
*Calamelaps unicolor, RnArdt. Sierra Leone. Purchased. 
Rhabdion torquatum, D. § B. Borneo. Prof. Peters. 
Hapsidophrys ceruleus, I%scher. Sierra Leone. Purchased. 
Rhagerrhis producta, Pfrs. Nubia. Prof. Peters. 
multimaculata=Coronella multim., Smith=Dipsina multim., 
Jan. Damara Land. Purchased. 
* Atractaspis corpulentus, Hallow. ? St. G. Mivart, Esq. 
Trimeresurus mucrosquamatus, Cantor. Formosa. Consul R. 
Swinhoe. 
Echidna inornata, Smzth. South Africa. Sir A. Smith, (Type 
of the species.) 
II, List of the new Species procured and described in the course of 
the year 1865. 
Typhlops obtusus, Pérs. Shiré Valley. Zambesi Expedition. 
Gintheri, Ptrs. North Australia. Mr. Elsey. 
Stenostoma scutifrons, Pévs. Benguela. Mr. Monteiro. 
*Calamaria arcticeps. Borneo. L. L. Dillwyn, Esq.? 
*Ablabes flaviceps. East-Indian archipelago. Purchased. 
*Zamenis brachyurus. Dekkan. Purchased. 
*Herpetethiops Bellii. Sierra Leone. Lieut. Bell. 
*Ahztulla nigromarginata. Upper Amazons. Mr. Bartlett, junr. 
* Aspidiotes melanocephalus, Kreft. G. Krefft, Esq. 
Hoplocephalus mastersii, Kreft. Flinders Range. G. Krefft, Esq. 
*Atractaspis microlepidota. West Africa? A. Ginther. 
Calamaria arcticeps. Pl. VI. fig. C. 
Body moderately slender ; tail short; head narrow, elongate, 
the froutals being longer than broad, as long as the ver- 
tical. Vertical five-sided, broader posteriorly than anteriorly, 
the lateral edges being slightly convergent towards the front. 
