8. LYGOSOMA. 



281 



fourth toe. Tail about once and a half the length of head and body. 

 Bronzy olive above, with small dark brown spots, sometimes with a 

 dark brown vertebral streak ; sides dark brown, light-dotted, often 

 with a more or less distinct liglit streak from ear to groin ; lower 

 surfaces greenish or greyish, uniform or with darker dots. 



millim. 



Fore limb 14 



Hind limb 19 



Tail 80 



Loyalty Islands ; New Hebrides. 



R. Gunn, Esq. [P.]- 1 ^t \ 

 Dr. Milligan tP.]. \ ^^^^'''^ 



Sir G. Grey [P.]. 



W. W. Perrv, Esq. [P.]. 



Lord Derby [P.]. (( )ne of the 



types of Jlocoa ocellata.) 

 H.M.S. 'Herald.' 

 Sir A. Smith [P.]. 



75. Lygosoma guichenoti. 



Mocoa guichenoti, Gray^ Cat. p. 80. 



trilineata, part., Gray, I. c. p. 81. 



Lygosoma guichenoti, Duni. 4" Bibr. y. p. 713. 



(Mocoa) guttulatum, Peters, Sitzh. Ges. Xaiurf. Freunde, 1881, 

 p. 83. 

 ( ) platynotum, Peters, I. c. p. 



84. 



Habit lacertiform ; the distance between the end of the snout and 

 the fore limb is contained once and one third to once and two thirds 

 in the distance between axilla and groin. Snout short, obtuse. 

 Lower eyelid with an undivided transparent disk. Nostril pierced 

 in the nasal, which is quite lateral ; no supranasal ; frontonasal 

 forming a broad suture with the rostral, the width of which suture 

 equals the width of the frontal, and a narrow one with the frontal ; 

 latter shield narrower and not longer than the frontoparietal, in 

 contact with the two anterior supraoculars ; four supraoculars, 

 second largest ; seven or eight supraciliaries ; frontoparietal single ; 

 a small interparietal, behind which the parietals form a suture ; a 

 pair of nuchals and a pair of temporals border the parietals ; fifth 

 upper labial largest and entering the orbit. Ear-opening oval, about 

 as large as the transparent palpebral disk, without projecting 

 lobules. 26 to 30 scales round the middle of the body ; dorsals 

 largest and sometimes feebly striated. Prseanals not or scarcely 

 enlarged. The adpressed limbs overlap, meet, or fail to meet. 

 Digits cylindrical ; subdigital lamellte smooth, 20 to 26 under the 

 fourth toe. Tail about once and two thirds the length of head and 

 body. Bronzy olive or brownish above, with or without small 



