1. 20 22 scales round {the body; 12 



lamellae under the fourth toe .... 22. L. schnitzel p. 184. 



2. 24 26 scales round the body; 36 

 39 lamellae under the fourth toe; 



no enlarged praeanals 23. L. louisiadcnse p. 185. 



3. 28 scales round the body ; 16 lamellae 

 under the fourth toe; frontal as long 

 as frontoparietals and interparietal 



together 24. L. aruanum p. 186. 



4. 28 scales round the body ; 20 lamel- 

 lae under the fourth toe ; frontal not 



or slightly longer than frontoparietals 25. L. undulatum p. 186. 



5. 28 scales round the body; 18 lamel- 

 lae under the fourth toe; frontal as 

 long as the frontoparietal ; one pair 



of nuchals 26. L. moszko-wskii p. 187. 



\\ 30 5 scales round the body; no nuchals. 



1. Five supraoculars. 



a. 30 32 scales round the body; 

 33 42 lamellae under the fourth 



toe 27. L. aignanutn p. 187. 



b. 32 34 scales round the body; 

 25 30 lamellae under the fourth 



toe 28. L, sanctum p. 1 88. 



2. Six or seven supraoculars. 



a. 40 scales (42) round the body ; 26 



lamellae under the fourth toe . . 29. L. striolatum p. 189. 



b, 42 scales round the body ; 34 la- 

 mellae under the fourth toe . . . 30. L. kuhnei p. 190. 



e. 44 50 scales round the body; 

 17 19 lamellae under the fourth 



toe 31. L. melanopogon p. 191. 



b. Two superposed shields behind the nasal. 

 * Dorsal scales keeled. 



1. 40 50 scales round the body; prae- 

 frontals forming a suture; the hind 



limb reaches the shoulder 32. L. mgrilalre p. 192. 



2. 42 44 scales round the body; prae- 



frontals separated 33. L. tropidonolus p. 193. 



3. 40 scales round the body ; praefron- 

 tals forming a suture; the hind limb 

 reaches halfway between the fore 



limb and the ear 34. L. slmuiit p. 193. 



** Dorsal scales smooth. 

 a. Five supraoculars. 



1. 16 18 lamellae under the fourth 



toe; 38 scales round the body . . 35. L. anomalopus p. 194. 



2. 1 8 27 lamellae under the fourth 



toe; 38 46 scales round the body 36. L. jobiense p. 195. 



