49. pINODON. 361 
Synopsis of the Species. 
I, Scales smooth, in 17 rows ; anal entire. 
1. rufozonatus, p. 361. 
II. Scales feebly keeled, in 17 rows. 
A. Anal entire ; a preocular. 
Portion of rostral visible from above 
half as long as its distance from the 
a a 2. semicarinatus, p. 362. 
Rostral just visible from above........ 3. septentrionalis, p. 363. 
B. Anal divided ; no prwocular, loreal entering the eye. 
4. japonicus, p. 363. 
III. Scales feebly keeled, in 21 rows; anal divided. 
5. tessellatus, p. 364. 
1. Dinodon rufozonatus. 
Lycodon rufozonatus, Cantor, Zool. Chusan, pl. xi. (1840), and Ann. 
§ Mag. N. H. ix. 1842, p. 483; Giinth. Cat. p. 204 (1858), and 
. Brit. Ind. p. 319 (1864); Jan, Icon. Gén. 36, pl. iv. fig. 3 
(1870). 
Dinodon cancellatum, Dum. § Bibr. vii. p. 447 (1854). 
Coronella striata, Hallow. Proc. Ac. Philad. 1856, p. 152. 
Eumesodon striatus, Cope, Proc. Ac. Philad, 1860, p. 263. 
Dinodon rufozonatus, Peters, Sitz. Ges. naturf. Freunde, 1881, p. 89. 
—— rufozonatus, var. formosana, Boettg. Ber. Offend. Ver. Nat. 
24-25, 1885, p. 124. 
Rostral a little broader than deep, visible from above ; internasals 
much shorter than the prefrontals; frontal as long as broad or a 
little longer, as long as its distance from the rostral, shorter than 
the parietals; loreal elongate, sometimes entering the eye; one 
preocular ; two postoculars (rarely one); temporals 243; eight 
(rarely seven) upper labials, third, fourth, and fifth (rarely second, 
third, and fourth, or only fourth and fifth) entering the eye; five 
(rarely four) lower labials in contact with the anterior chin-shields, 
which are as long as or longer than the posterior. Scales smooth, 
in 17 rows. Ventrals 185-204; anal entire; subcaudals 57-83. 
Yellowish, reddish, or pale brown above, with dark brown cross bars 
wider than their interspaces, and an alternating lateral series of 
dark brown spots ; upper head-shields dark brown, with yellowish 
borders ; upper lip and lower parts yellowish ; lower surface of tail 
with brown. 
Total length 1020 millim.; tail 190. 
China and Corea. 
a. ¢ (V.202; 0.73). Hoi-How, Hainan, J, Neumann, Esq. [P.}. 
b-c. ¢ (V. 189; C. Formosa, R. Swinhoe, Esq. fet 
76) & yg. (V. 199; 
.83). 
