172. MIMOPHIS. 171 
e. 2 (V. 155; CO. 58). Lake Tanganyika. E. Coode-Hore, Esq. 
[C.]. 
d-e. 2 (V. 149; 0.71) Cape McClear, Lake Mr. F. A. Simons 
& her. (V. 141; C. 68), yassa. . Lot 
Ff. 2 (V. 147; C, 68). Fort Johnston, Brit. Sir H. H. Johnston 
O. Africa, oe 
172. MIMOPHIS. 
Mimophis, Giinth. Ann. § Mag. N. H. (4) i. 1868, p. 421. 
Maxillary teeth 10 or 11, two or three in the middle much 
enlarged, fang-like, followed by an interspace, last large and 
grooyed; anterior mandibular teeth very strongly enlarged. Head 
distinct from neck; eye rather large, with round pupil; frontal 
narrow; nostril in an entire or semidivided nasal, followed by a 
short loreal, which is separated from the preocular by the pre- 
frontal. Body cylindrical; scales smooth, with apical pits, in 
17 rows; ventrals rounded. Tail rather long; subcaudals in two 
rows. 
Madagascar. 
1. Mimophis mahfalensis. 
Psammophis mahfalensis,Grandid. Rev. § Mag. Zool. xix. 1867, p.234. 
Mimophis madagascariensis, Giinth. Ann. § Mag. N. H. (4) 1. 1868, 
p. 421, pl. xviii.; Boettg. Abh. Senck. Ges. xii, 1881, p. 445; 
Steind, Sitzb. Ak. Wien, c. 1891, p. 294. 
ieiae Mocquard, Bull. Soc. Philom. (8) vii. 1895, pp. 103 
Rostral broader than deep, scarcely visible from above; inter- 
nasals as long as broad or longer than broad, a little shorter than 
the prefrontals ; frontal twice and a half to three times as long as 
broad, much narrower than the supraocular, longer than its distance 
from the end of the snout, as long as or shorter than the parietals ; 
one preocular, extending to the upper surface of the head but not 
reaching the frontal; two postoculars; temporals 2+3; eight 
upper labials, second or second and third in contact with the pre- 
frontal, third, fourth, and fifth entering the eye; four (rarely three 
or five) lower labials in contact with the anterior chin-shields, 
which are shorter than the posterior. Scales in 17 rows. Ventrals 
140-164; anal divided; subcaudals 61-102. Pale fawn-colour 
above, with a dark brown vertebral band or a zigzag series of spots 
which may be divided by a narrow pale line running along the 
spine ; head with undulous dark lines above and a dark streak on 
each side, passing through the eye. 
Total length 760 millim.; tail 195. 
Madagascar. 
A. A dark brown dorsal stripe, four scales wide, and two or three 
brown streaks along the sides; belly yellowish, with more or 
less distinct brown longitudinal streaks. 
a-c. 3 (V. 149,140; C. Madagascar. Rev. W. Ellis [P.]. 
ores. & & (V. 152; (Types.) 
