171 



* Limbs meeting or overlapping; 

 tail as long as head and body ; 



rostral very low 9. Z. iiiociiglianii p. 175. 



■*■* Limbs not meeting ; tail much 



longer than head and body . . . 10. L. inalayamiin p. 176. 

 If 30 — 32 scales round the body ; inter- ,- - ^ 



parietal very large Ii. /-. consobriniim p. 176. -' 



2. Dorsal scales larger than ventrals. 

 aa. 20 smooth lamellae under the fourth 

 toe; 32 scales round the body; 

 interparietal smaller than fronto- 

 parietals 12. Z. yufum p. 177. 



bl>. 22 smooth lamellae under the fourth 

 toe; 24 scales round the body; 

 interparietal as long as fronto- 

 parietals 13. Z. btUtikofcri p. 177. 



cc. 28 smooth lamellae under the fourth 

 toe ; 3c scales round the body ; 

 interparietal as long as fronto- 

 parietals 14. Z. maindroni p. 1 78. 



dii. 29 smooth lamellae under the fourth 

 toe; 34 scales round the body; 

 interparietal as long as fronto- 

 parietals 15. Z. shelf ordi p. 179. 



b. Praefrontals separated. 



1. No regular nuchals; some enlarged 

 scales bordering the parietals. 



f 26 scales round the body; 18 — -20 



smooth lamellae under the fourth toe 16. Z. cmigrans p. 179. 

 tt 26 scales round the body; 22 smooth 



lamellae under the fourth toe ... 17. Z. tcnuiculum p. 180. 



2. One or more pair of large, transverse 

 nuchals. 



a. 22 scales round the body 18. Z. minuium p. 181. 



b. 24 scales round the body , the 2 

 vertebral series enlarged, more than 

 twice as broad as long; three pair 



of nuchals 19. Z. nototaenia p. 181. 



c. 26 — 28 scales round the body, the 

 2 vertebral series enlai'ged; three 



or four pair of nuchals 20. Z. clcgantulum p. 182. 



d. 28 scales round the body; the 2 

 vertebral series more than twice as 



broad as long; six pair of nuchals 21. Z. nigrolUuatum^ p. 183. 

 n. Five or more supraoculars. 

 a. One anterior loreal. 



■j" 20 — 30 scales round the body; (one) 

 three or four pair of nuchals. 



