92. siMoiBS. 219 



A. Pale transverse bands narrower than the interspaces between 



them ; scales in 19 rows. (S. ^iirpurascens, Schleg.) 

 °. Yg. (V. 182; C.43). Java. 

 *. Hgr. (V. 169 ; 0. 51). Matang, Borneo. 



B. JTarrow dark transverse bands; scales in 19 rows. 



{S. labuanensis, Gthr.) 



"• v^^i7;i^^! ^' ^*>- Singapore. Governor of Singapore [P.]. 



v^- 7r-}S^'S-^^^- lieli, Sumatra. Mr. Iveraeu [O.f. 

 ^J^S-{J-^6Q;G5Q), Sumatra. Dr. Bleeker. ^ ^ 



o fJ^.-',}^^A "^oP * Ni^=- Hr- Sundermann [C.]. 



? (V. 174; 0. 63). ^ ■' 



/■ d (V. 171; C.?). Labuan, Borneo. L. L. Dillwyn, ) Types of 



...(V.187;C.60). _P ^^^-f^-^- fttS- 



C. Narrow dark transverse bands ; scales in 21 rows. 



{S. trinotatus, D. & B.) 



a. 2 (V. 190; C. 53). Pinang. Dr. Cantor. 



b. Hgr. (V. 165 ; C. 53). Deli, Sumatra. Prof. Moesch [C.]. 



3. Simotes cyclurus. 



Ooronella cyclura, Cantor, Proc. Zool. Soc. 1839, p. 50. 



Simotes bicatenatus, Giintk. Mept. Brit. Ind. p. 217 (1864) ; Theob. 



Journ. Linn. Soc. x. 1868, p. 40; Stoliczka, Journ. As. Soc. Bang 



xl. 1871, p. 480 ; Andei-s. Proc. Zool. Soc. 1871, p. 170. 



fasciolatus, Gunth. I. c. p. 218, pi. xx. fig. B. 



cochinchinensis, Gunth. I. c. p. 219, pi. xx. iio-. 0. 



brevicauda, Steind. Novara, Sept. p. 61, pl.°iii. figg. 13 & 14 



(1867). 



obscurus, Theob. Cat. Rept. As. Soc. Mm. p. 48 (1868). 



crassus, Theob. I. c. 



cyclurus, Boukny. Faun. Ind., Rept. p. 311 (1890) ; W. L. 



Sclater, Journ. As. Soc. Beng. Ix. 1890, p. 235. 



Nasal divided ; portion of rostral seen from above nearly as long 

 as its distance from the frontal ; suture between the intemasals as 

 long as or shorter than that between the prsefrontals ; frontal as 

 long as its distance from the end of the snout or a little longer, and 

 as long as the parietals ; loreal as long as deep, or a little deeper 

 than long ; prseocular single, usually with a small subocular below 

 it, between the third and fourth labials ; two postooulars ; temporals 

 2+2; normally eight upper labials, fourth and flfth entering the 

 eye ; four, rarely three, lower labials in contact with the anterior 

 chin-shields ; posterior chin-shields one half or two thirds the length 

 of the anterior. Scales in 19 or 21 rows. Ventrals 156-210, 

 angulate laterally ; anal undivided ; subcaudals 37-55. Pale brown 

 or greyish above, with or without four darker brown stripes, the 

 median pair separated by the vertebral series of scales ; antero- 

 lateral border of some of the scales frequently black ; markings on 

 the head as in S. alhocinclus ; lower surfaces yellowish, uniform, 

 or with squarish brown spots on each side below the angle of the 



