10. TR0PID0N0TU8. 233 



34. Tropidonotus annularis. 



Tropidonotus annularis, Hallow. Proc. Ac. Philad. 1856, p. 151; 



Gimth. Cat.]). 07 (1858), a?id liept Brit. Ind. p. 2()1 (1864) ; Ju7i, 



Arch. Zool. Anat. I'/ij/s. iii. 1865, p. 2■2'.^. 

 chineusis, L'ert/iuld, Gutting. Nachr. 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 priufrontals ; 

 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 praiocular ; two postoculars 

 -fonc subocular ; temporals 24-3 (rarely 14-3); 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 ai'e shorter than the i)Ostcrior. Scales very strongly keeled, 

 of outer row smooth, in 19 rows. A^cutrals 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 interrupted in 

 the middle. 



Total length 820 millim. ; tail 150. 



China. 



a-d. $ (V. 148, 147,145; Mountains North of A. E. Pratt, Esq. [C.]. 

 C. 54, ?, ?) & yg. (V. 153 ; Kiu Kiang. 

 C. 69). 



e. Yg. (V. 151 ; C. 57). Chi Kiang. Mr. Fortune [C.]. 



f. S (V. 161 : C. 60). Ningpo. 

 y,h. $ (V. 147,153; C. ?, Formosa. Il.Swinhoe,Esq.[C.]. 



54). 



35. Tropidonotus tessellatus. 



Coronella tessellata, Lnur. Syn. liept. p. 87 (1768). 



Coluber hvclrus. Pall, lieise,! p. 459 (1771) ; IJaud. Rept. vi. p. 438 



(1803) {Pall, y.ooqr. lioss.-As. iii. p. 36 (1811) ; Rathke, Mem. Sav. 



Etr. Ac. St. Petersb. iii. 1837, p. 306, pi. i. tigs. 1-7. 

 tessellatus, Boniiat. Encycl. Mefh., Ophiol.f. 60 (1790) : Mikan, 



in Sturm, Deutschl. Faun. iii. Heft 4, pi. — (1805) ; Frivaldsky, 



Mon. Scrp. Hit /if/, p. 46 (1825). 



hydruphilus, Lindaker, Ahh. Bohm. Ges. Wiss. i. 1791, p. 123. 



Enhydris caspia, Oke7i, Lehrb. Naturg. iii. p. 232 (1816). 



Coluber gabinus, Meta.va, Mon. Serp. Rom. p. 34, pi. — . fig. 1 



(1823). 

 Tropidonotus tessellatus, ])art., Wayl. Sijst. Aniph. p. 179 (1830). 

 Coluber ponticus, Pali. 'Aooyr. Ro&s.-As. iii. p. 38. 

 Tropidonotus liydrus, Eichw. Zool. Spec. iii. p. 172 (1831 ) ; Xordm. in 



Demid. Vay{ Buss. Mer. iii. p. 349, Reijt. pi. x. (1840); Eichw. 



Faun. Casp.-Cauc. p. 110, pi. x.xiv. (1841) ; Dum. ^- Bibr. vii. p. 564 



(1854) ; Girnth. Cat. p. ()3 (1858) : Jan, Arch. Zool. Anat. Phys. iii. 



1865, p. 220 : Anders. Proc. Zool. Soc. 1872, p. 394 ; Straiich. Schl. 



Russ. R. p. 159 (1873) ; Blanf. Zool. E. Pers. p. 419 (1876), and 



