31. LYOODACirLTJS. 161 



pores. Upper caudal scales distinctly imbricate. Greyish brown 

 above, variegated . with darker and lighter; one or two blackish 

 transverse lines between the eyes ; a dark lateral band, passing 

 through the eye, less distinct on the sides of the body ; a blackish, 

 light-edged horseshoe-shaped marking on the base of the tail ; latter 

 with angular transverse markings ; lower surfaces whitish ; throat 

 generally with scattered blackish dots ; lower labials blackish- 

 spotted, the spots generally confluent into a band bordering the 

 lower jaw. Total length 72 millim. 

 Madagascar. 



a-e. <S 5. East Betsileo. Rev. W. Deans Cowan [0.]. 



3. Lygodactylus thomensis. 



Scalabotes thomensis, Peters, Mon. Berl. Ac. 1880, p. 795, pi. — . 

 fig. 1. 



Nostril" as in L. madaffoscariensis. Tail with a central series of 

 transversely dilated plates inferiorly. Olive-brown above, with 

 small dark brown spots ; a dark transverse streak between the 

 anterior angles of the eyes ; a dark streak along the side of the head 

 and neck, passing through the eye ; tail with alternating brown and 

 greenish transverse bands ; lower surfaces greenish yeUow, variegated 

 with brown ; gular region dark brown with two irregular V-shaped 

 yellow markings. Total length 69 miUim. 



S. Thome, W. Africa. 



4. Lygodactylns gutturalis. 

 Hemidactylus gutturalis, Socage, Jam. 8c. Lisb. iv. 1873, p. 211. 



The rostral does not enter at aU. the nostril, being separated from 

 it by a nasal scale. Other differences between this species and 

 L. capensis are the broader head, which is more distinct from neck, 

 the shorter mental, the posterior borders of which form a very open 

 angle, and the presence in the male of two large concentric chevron- 

 shaped black markings on the gular region. From snout to vent 

 38 millim. ; tail (reproduced) 28 millim. 



West Africa. 



a. fj . Bissao. Prof. Barboza du Booage [P.]. 



(One of the tjrpes.) 



5. Lygodactylus picturatus. 



Hemidactylus capensis {non Smith), Peters, Mon. Berl. Ac. 1885, 



p. 456. 

 variegatus (non Dum. ^ Btbr.), Peters, Mon. Berl. Ac. 1868, 



p. 449, and in Beckeris Bzise O. Afr. iii. p. 13, pi. ii, 

 LiuTUS capensis. Cope, Proc. Ac. Philad. 1868, p. 320. 

 Hemidactylus picturatus, Peters, Mon. Berl. Ac. 1870, p. 115. 



Snout more pointed. Scales of upper and lower surfaces smaller. 

 Nostril as in L. capensis. Tail with a median series of transversely 

 dilated plates inferiorly. Prasanal pores eight or nine. Head and 



