10. TROPIDONOTUS. 233 
34. Tropidonotus annularis. 
Tropeevee annularis, Hallow. Proc. Ac. Philad. 1856, p. 151; 
inth. Cat. p. 67 (1858), and Rept. Brit. Ind. p. 261 (1864); Jan, 
Arch. Zool. Anat. Phys. iii. 1865, p. 223. 
—— chinensis, Berthold, Gitting. achr. 1859, p. 180. 
Eye rather small. Rostral broader than deep, just visible from 
above; nasal usually semidivided ; internasals longer than broad, 
much narrowed anteriorly, as long as or longer than the preefrontals ; 
frontal once and two thirds to twice as long as broad, as long as its 
distance from the end of the snout, much shorter than the parietals ; 
loreal as deep as long or longer; one preocular; two 
+one subocular; temporals 2+3 (rarely 143); eight or nine 
upper labials, fourth or fifth (rarely fourth and fifth) entering the 
eye; five lower labials in contact with the anterior chin-shields, 
which are shorter than the posterior. Scales very strongly keeled, 
of outer row smooth, in 19 rows. Ventrals 145-161; anal 
divided ; subcaudals 54-69. Olive above, with small black spots ; 
labials yellow, with black sutures; sides and lower parts yellow 
or red, with regular black cross bands, which may be interruphed s in 
the middle. 
Total length 820 millim. ; tail 150. 
China. 
a-d. 2 (V. 148, 147, 145; Mountains North of A. E, Pratt, Esq.[C.}. 
“4 @) »?) & yg. (V. 153; Kiu Kiang. 
Ye. 151; C. 57). a Kiang. Mr. Fortune [C.}. 
161; C. 60). Ningpo. 
a (V. 147, 153; C.?, Formosa. R.Swinhoe, Esq.[C.}. 
). 
35. Tropidonotus tessellatus. 
Coronella tessellata, Laur. Syn. Rept -P 87 (1768). 
Coluber hydrus, Pall. Reise, i. p. 459 (1771) ; Daud. . Vi. p. 438 
(1803) ; Pall Zoogr. eager 4 ig 36 OLD , Mém. Sav. 
Etr, Ac. St. Péterab. iii. 1837, p. L. i. figs. 1-7. 
—— tessellatus, Bonnat. Encycl. Méth., Dphiol.p. 60 (1790) ; Mikan, 
in Sturm, Deutschl. Faun. iii. Heft 4, pl. a ); Frivaldsky, 
Mon, Serp. Hung. p. 46 (1825). 
hydrophilus, Lindaker, Abh, Bohm, Ges, Wiss. i. 1791, p. 128. 
Enhydris caspia, Oken, Lehrb, Naturg. iii. p. 232 (1816 
ert gabinus, Metava, Mon. Serp. Rom. p. 34, pl. —. fig. 1 
). 
Tropidonotus tessellatus, » Wagl. Syst. A 179 (1830). 
Coluber ponticus, Pail, om Ross.-Aa. iii. “¥ si 
Tropidonotus hydrus, Biche, “igs . iii. hex M72 ass} Nordm. poche 
Voy. Russ, Mér, iii, . pl. x. (1840); Bichw. 
Fanti Oite.-Couc, . 110, pl: xelv, (sty 3 Dum. & Bibr. vii. p. 564 
oval Samy Cat. p. 63 (1858); Jan, Arch. Zool. Anat. Phys. iii. 
Seo ; Anders. Proc, Zool. Soe. 872, p. 394; Strauch, Schl. 
p- i59 (1878); Blanf. Zool. B. Pers. p. 419 (1876), and 
he 
