67. PHILOTHAMNUS. 99 
1. Philothamnus semivariegatus. 
? Coluber albiventris, Reuss, Mus. Senckenb. 1. 1834, p. 144. 
Dendrophis (Philothamnus) semivariegata, Smith, Ill. Zool. S. Afr., 
_ Rept. pls. lix. & 1x., & Ixiv. fig. 1 (1840). 
Ahetulla semivariegata, Giinth. Ann. § Mag. N. H. (3) xi. 1863, 
. 285. 
3 kirkii, Giinth. Ann. § Mag. N. H. (4) i. 1868, p. 424, and Zool. 
Rec. 1869, p. 116. 
Philothamnus punctatus, Peters, Mon. Berl. Ac. 1868, p. 889, and 
Decken’s Reise, iii. Amph. p. 16, pl. i. fig. 2 (1869), and Reise n. 
Mossamb. iii. p. 129, pl. xix. A. tig. 1 (1882); Bocaye, Jorn. Se. 
Lisb. ix. 1882, p. 14. 
Dendrophis melanostigma, Jan, Icon. Gén. 32, pl. 11. fig. 8 (1869). 
? Philothamnus nigrofasciatus, Buchh. § Peters, Mon. Berl. Ac. 1875, 
p- 199. 
irrecularis, var., Fischer, Abh. nat. Ver. Brem. vii. 1881, p. 229, 
pl. xiv. figs. 5-7. 
smithil, Bocage, 1. c. p. 12, fig. 
Aheetulla bocagii, Giinth. Ann. § Mag. N. H. (6) i. 1888, p. 826. 
Leptophis punctatus, Mocquard, Mém. Cent. Soc. Philom. 1888, 
. 128 
Philothamnus semivariegatus, Bouleng. Proc. Zool. Soc. 1891, p. 307. 
punctatus, var. sansibaricus, Pfeffer, Jahrb. Hamb. Wiss. Anst. 
x. 1893, p. 83. 
Rostral broader than deep, the portion visible from above mea- 
suring one fourth or one fifth its distance from the frontal ; inter- 
nasals as long as or a little shorter than the prefrontals; frontal 
with concave lateral borders, once and a half to once and two thirds 
as long as broad, as long as or a little longer than its distance from 
the end of the snout, as long as or a little shorter than the parietals ; 
loreal at least twice as long as deep; one preocular, in contact with 
or narrowly separated from the frontal ; two postoculars ; temporals 
2+2 (rarely 241,142, or 1+1); nine upper labials, fifth and 
sixth, or fourth, fifth, and sixth, entering the eye ; five lower labials 
in contact with the anterior chin-shields, which are shorter than the 
posterior. Scales in 15 rows. Ventrals 169-207; anal divided ; 
subeaudals 112-155. Green or olive above, with or without black 
spots or cross bars; greenish yellow inferiorly. 
Total length 1210 millim. ; tail 450. 
Tropical and South Africa. 
A. Irregular black cross bars; some of the scales 
with a whitish spot. 
Hgr. (V.199; C.138). W. Africa. 
. No black spots or bars; some of the scales with a whitish spot. 
g 
ies) 
b. fo (V. 196; C. 134). Gambia. Dr. P. Rendall [C.]. 
C. With black spots, at least on the anterior part of the back. 
e. d (V.181; C.122). Palapye, Kalahari R. J. Cuninghame, 
Desert. Esq. [P.]. 
d, Hgr. (V. 187; C.138), E. Africa. Dr. Livingstone [C.]. 
e. 2 (V. 198; 0,187). Shiré Valley. Sir J. Kirk [C.], 
9 
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