429 
the neck, extending on to the ventral shields ; the lower parts dirty 
yellowish. 
Hab. Sene gal. 
The typical specimen is in the British Museum. 
Description.—Habit like that of Coronella austriaca; number 
and form of the shields of the head normal; the posterior frontals 
are rather longer than, and nearly twice as large as, the anterior 
ones ; vertical five-sided, slender, with the posterior angle acute ; 
occipitals of moderate size, obtusely rounded behind. Nostril be- 
tween two shields; loreal square; anteorbital high, extending on to 
the vertical ; two posterior oculars in contact with an oblong tem- 
poral shield ; three other temporals are behind the latter, the upper 
of which is elongate, forming a suture with the occipital. Eight 
upper labial shields, the fourth and fifth coming into the orbit. 
Scales short, rhombic, smooth, in nineteen rows. Ventral shields 
205; anal 1/1; caudal 75. The colours have been described in the 
diagnosis ; the ground-colour changes into lead-grey after the epi- 
dermis has been rubbed off. The maxillary teeth form one con- 
tinuous series ; anteriorly small, they gradually become longer and 
stouter posterior ly ; none of them are grooved. 
inches. lines. 
Eeneith pepe Head ee on oS | OD 4 
Ofeurtes true Ora, 2 ss ee shine oe 8 0 
fap NeT HANNE ead ch cee a ick aves tis niece, Duma 
CoroneLia (MEIzopON) DUMERILII, n. sp. 
Scales smooth, in nineteen rows ; anal bifid ; three posterior oculars. 
Eight upper labial shields, the fourth and fifth coming into the orbit. 
Greyish-brown above, with a darker, white-edged longitudinal band 
occupying the five medial dorsal series of scales and extending from 
the neck to the tail, where it gradually disappears; another rather 
indistinct whitish line running along the fourth outer series of scales. 
Belly whitish. 
Hab. Sierra Leone. 
The typical specimen is in the British Museum. 
Description.—Habit like that of Coronella austriaca ; number 
and form of the shields of the head normal; the posterior frontals 
