220 COLUBRID.E. 



ventrals ; these blotches may be subconfluent or form two chain-like 

 series ; subcaudals unspotted or with a few small scattered dote. 



Total length 700 millim. ; tail 100. 



Bengal and Assam, Burma, Siam, Cochinchina, and Southern 

 China. 



A. Above with very ill-defined dark longitudinal streaks; belly 



with a lateral series of square brown spots. Scales in 19 rows. 

 (S. cyclurus, S. bicatenatus.) 



a. c? (V. 175; C. 37). Toungoo. E. W. Gates, 



b. Yg. (V. 170; C. 37). Pegu. W. Theobald, 



c. Yg. (V. 166; C. 43). S. China. R. Swinhoe, 



d. <3 (V. 166 ; C. 43). ? College of Surgeons. 



(Type of S. bicatenatus.) 



B. Above with four more or less distinct dark longitudinal streaks 



and a light vertebral line ; belly with a lateral series of square 

 brown spots. Scales in 19 rows. 



a. $ (V. 175; C. 40). Pegu. W. Theobald, Esq. [C.]. 



b. $ (V. 167 ; C. 44). Tenasserim. Col. Beddome [C.J. 



C. Like the preceding, but ventral spots absent or reduced to a few 



small dots. 



a-b. Hgr. (V. 171, 173; Pegu. W. Theobald, Esq. [C.l. 



C. 46, 43). 



D. No longitudinal streaks, no ventral spots. Scales in 19 rows. 



a, b. <$ (V- 167 ; C. 46) Pegu. W. Theobald, Esq. [C.]. 



&yg.(V. 150;C.49). 



E. No longitudinal streaks, no ventral spots. Scales in 21 rows. 



(S. fasciolatus, S. cochinchinensis.) 



a,6. rf (V. 160; C. 42) Pachebone, Siam. M. Mouhot [C.l. (Types 



& $ (V. 165 ; C. 45). of S. fasciolatus.) 



c. Hgr. ( V. 173 ; C. 41). Siam. M. H. Newman, Esq. [P.]. 



d. Yg. (V. 210; C. 47). Lao Mountains. M. Mouhot [C.]. (Type 



of S. cochinchinensis). 



F. Above with four dark stripes as in B, which are crossed by black 



bars ; belly immaculate. Scales in 21 rows. 



a. Hgr. (V. 180; C. 53). Bia-po, KarinHills. M. L. Fea [C.]. 



4. Simotes albocinctus. 



Coronella albocincta, Cantor, Proc. Zool. Soc. 1839, p. 50. 

 Xenodon purpurascens, var., Cantor, Cat. Mai. Rept. p. 67 (1847) ; 



Blyth, Journ. As. Soc. Seng, xxiii. 1864, p. 289. 

 Coronella punctulatus, Gray, Ann. fy May. N. H. (2) xii. 1853. 



p. 389. 



Simotes purpurascens, vars. D and E, Giinth. Cat. p. 25 (1858). 

 punctulatus, Giinth. Rept. rit. Ind. p. 217 (1864); Anders. 



Proc. Zool. Soe. 1871, p. 109. 



