REPTILIA, 
U7 
eye of moderate size/ with round -pupil; nostril lateral, between shields. 
Plates of the head regular; loreal present; one anterior and two posterior 
oculars. Scales rather elongate, smooth, without apical groove, in fifteen 
rows; ventrals strongly bent up the sides; anal entire. The two posterior 
maxillary teeth are the longest, not grooved, separated from each other and 
from the preceding ones by a short interspace. Herpet<^thiops hellii^ sp. n., 
1. c. pi. 7. fig. B, from Sierra Leone. 
Tropidonotus, Mr. Cope gives a synopsis of some scarcely known species 
or varieties of the gTOup Eutcpnia of North Americans. Proc. Ac. Nat. Sc. 
Philad. 1866, p. 306. 
Macrophis ormtus is described by Dr. Bocage (/. c.) as a new genus and 
species of Colubrine Snake from Angola ; the characters of the genus are 
not apparent; the snake appears to belong to the group Natricidce. The 
head is figured, pi. 1. fig. 2. 
Homalopsid^. 
Ferania sieholdii (Schleg.). A very large specimen is described by Dr» 
Gimther, who adds that Ilypsirhma hocourti (J^in) is probably not distinct. 
Ann. & Mag. Nat. Hist, xviii. p. 28. 
Cantoria (Girard). Mr. Cope mentions that Hydrodipsas (Ptrs.) is the , 
same genus. Proc. Ac. Nat. Sc. Philad. 1866, p. 312. 
. DENDROPHIDiE. 
Ahcetulla nigromarginata, sp. n., Gunther, Ann. & Mag. Nat. Hist, xviii. 
p. 28, from the Upper Amazons. 
Fhilothanmus ptmctatus is described by Prof. Peters as a new species 
from Eastern Africa. Monatsber, Ak. Wiss. Berlin, 1860, p. 889. Jt was 
formerly regarded by him [and also by the Recorder] as PA. semivariegcttm 
(Smith). 
Philothamnus neglectus, sp. n., Peters, 1 . c. p. 800, from Eastern Africa. 
Leptophis dorsalis, sp. n., Bocage, Jorn. Sc. Math. Phj^s. e Nat. 1866, no. 1, 
p. 09, from Angola. 
Dipsadid.®. 
CrotapJiopeUis punctata, n., Peters, 1. c. p. 93, from South, Africa. 
Tropidodipsas hrevifacies, sp. n.. Cope, 1. c. p. 127, from Yucatau. 
Ilimantodcs temiissimus, sp. n., Cope, 1. c. p.‘ 317, from Yucatan. 
Mesopeltis, g. n.. Cope, 1. c. p. 318. Maxillary, palatine, and pterygoid 
bones elevated^ laminiform, the first bearing slender teeth to opposite middle 
of orbit. Cephalic shields normal ; ; posterior genials quite small, the first 
united into an ovoid shield which is in contact with the symphysial. No 
scale-pores.^ Anal divided. Body compressed, head quite distinct, with 
large and vertical pupil. Scales smooth, without larger vertebral series. — 
M. samiiolus, sp. n., from Yucatan. 
[Pareas~\ Leptognatims margaritophorus, sp. n., Jan in Nouv. Arch. Mus, 
d’Hist. Nat. 1866, ii. Bull. p. *8, from Siam. 
Lycodontid^e. 
Lycophidmm horstocJdi. A singular variety is described and figured by 
Dr. Gunther in Ann. & Mag. Nat. Hist, xviii. p. 29. 
