144 Characters of two Genera of South African Reptiles. 
of tail five and a quarter. Inhabits the country alongst the south- 
east coast, and is usually found in damp retired situations,, either in 
wooded spots or in their neighbourhood. Named in honour of M. Des- 
jardins, Secretary of the Natural History Society of the Isle of 
France. 
3. Pleurotuchus chrysobronchus Supra brunneus, dorso duabus 
lineh flavis et duabus nigris notatis ; lateribus brunneis, griseo um- 
bratis ; gutter e flavo ; abdomine livido-albo. 
Colour above brown, with four longitudinal stripes on the back, 
the two outermost yellow, the two innermost black ; upper part of 
sides brown ; lower brown, shaded with gray; anterior part of throat 
a fine bright light yellow ; belly bluish white ; legs and toes brown ; 
length of body four inches ; length of tail six and a-half. Inhabits 
damp woody situations towards the sources of the Cowie river, about 
Graham's Town and Blue Kranz. 
ORDO OPHIDII. FAMILIA COLUBRIDJE. GENUS CHRYSO- 
PELEA. Boie. 
CHAR. Dentes per series 6 dispositi ; maxillares mediocres, 
fere aequales ; cylindrici, acuti et angulo obtuso recurvi ; pa- 
latinorum parvi, breves, numerosi, approximati ; mandibularum me- 
diocres, anteriores remoti, longiores, posteriores approximati, omnes 
leviter recurvi. 
Caput distinctum, depressum ovato-triangulare, apice rotundato 
rictu oris amplo ; nares mediocres subverticales ; oculi magni verti- 
cales, pupilla rotunda. 
Truncus longus subcylindricus. 
Cauda tennis longa et triangularis. 
Scuta abdominis versus extremitatem carina transversa obtusa. 
Squama? caudce transverse carinatae. 
1. Chrysopelea Boieii. Ch. Supra virido-brunneus, anterior e par te 
dor si tinea flava longitudinale vatiata ; labio superiore, margine 
externa super ciliorumque flavis ; tinea nigra longitudinale inter ocu- 
lum et occiput; infra virido-jlatus. 
Abdominal plates 165. Subcaudal scales 119 pairs. 
Colour above greenish brown, variegated by a partial yellow line, 
which commences at the hind head, and extends along the centre of 
the back for six or eight inches. Outer edges of eyebrows clouded 
with yellow ; upper lip pure yellow ; the lowermost row of scales on 
each side buff yellow, and from each eye to the hind head a narrow 
black stripe ; belly greenish yellow. The scales are disposed nearly 
in transverse rows, those of the dorsal row large and somewhat six- 
sided, those of the others oblong, linear, and one edge behind slight- 
ly elongated and pointed. Length of body two feet seven inches, 
