330 COLUBRID. 
above; internasals much shorter than the prefrontals; frontal as 
long as or longer than its distance from the end of the snout, a little 
shorter than the parietals; loreal longer than deep; one preocular, 
not extending to the upper surface of the head; two postoculars ; 
temporals 1+ 2; eight or nine upper labials, usually three of which 
enter the eye; four lower labials in contact with the anterior chin- 
shields, which are a little longer than the posterior. Scales in 21 
or 22 rows; ventrals 194-207; anal entire; subcaudals 50-60. 
Brown above, with three more or less distinct darker longitudinal 
streaks ; snout and sides of head pale, with a brown black-edged 
temporal streak, and another from below the eye to the mouth; 
lips with a few large brown spots; lower parts brown, chin and 
throat spotted with darker. 
Total length 850 millim.; tail 135. 
Seychelles. 
a-c. (Se. 23, 23; V. 194,194; Seychelles. Prof. E. P. Wright [P.}. 
2 59, 60) & Q (Se. 23 ; v. 207 ; (Types of B. veya 
52), 
3. Boodon infernalis. (Ptary XX. fig. 1.) 
Boodon infernalis, Giinth. Cat. p. 199 (1858). 
Eye small. Rostral much broader than deep, not extending to 
the upper surface of the snout, forming a broad suture within the 
internasals, which are much shorter than the prefrontals; frontal 
once and a half to once and two thirds as long as broad, as long 
as its distance from the end of the snout, shorter than the pariétals; 
loreal at least twice as long as broad; one or two preoculars, not 
extending to the upper surface of the head; two (rarely one) post- 
oculars; temporals 1+2; eight upper labials, third, fourth, and 
fifth entering the eye; four lower labials in contact with the 
anterior chin-shields, which are as long as the posterior, or a little 
longer. Scales in 23 or 25 rows. Ventrals 175-195; anal entire; 
subcaudals 48-70. Uniform dark olive or blackish all over, or 
lower parts yellowish. 
Total length 790 millim.; tail 125, 
East and South Africa. 
a-b. § (Se. 23; V. Zanzibar. Capt. Speke [P.]. 
176; 0. 54) & 9 (Se. 
23; V. 179; C. 48). 
c,d. g (Sc. 23, 23; V. S. Africa. Haslar Collection. 
176, 175; C. 59,?). (Types.) 
e. d (Sc. 25; V. 195; Port Natal. as : Calloway JR. 
C. 70). se 
Sf. é ce 23; V. 194; Natal. E. Howlett, Esq. [P.}. 
gy: Vier. ( (Se. 25; .V.195; Port Elizabeth. J. P. M. Weale, Esq. [P.}. 
h. ne. (Se. 25; V.186; Damaraland. | 
51). 
