142 BCINCIDA. 
1. Corucia zebrata. 
Corucia zebrata, Gray, 1. c, p. 218, pl. viii.; Bovleng. 1. ¢. pl. vii. 
fig. 3. 
Head large, distinct from neck ; snout short, rounded. Fronto- 
nasal the largest head-shield ; preefrontals forming a median suture ; 
frontal small, broader than long ; five band-like supraoculars, second 
largest, third and fourth bordering the eye ; interparietal larger than 
the frontal, nearly as large as the parictals; two very large tem- 
porals, upper largest. Har-opening nearly as large as the eye- 
opening, without distinct lobules. Scales large, largest and slightly 
striated on the back, 36 tv 38 round the middle of the body. The 
adpressed limbs largely overlap. Digits short and strong, with 
powerful claws. Tail a little longer than head and body, cylindrical, 
ending obtusely. Greenish white above, with irregular dark brown 
cross bands, or olive-brown with lighter variegations, with or 
without irregular blackish spots; head sometimes reddish brown 
above; lower surfaces greenish white. 
millim. millim 
Total length ...... 645 Fore limb........ 105 
gS en 61 Hind limb ...... 124 
Width of head .... 54 EBL, Sandys aus Site se 350 
BOW ese S cocaine snd Sen 234 
Solomon Islands. 
a-b. Ad. San Christoval. J. Macgillivray, Esq. [P.]. (Types.) 
ce. Yg. San Christoval. J. Macgillivray, Esq. tet : 
d, Ad. Solomon Islands. ; ; 
3. TRACHYSAURUS. 
Trachysaurus, Gray, in King’s Voy. Austral. ii. p. 480; Wagler, 
me Amph. p. 163; Wiegm. Herp, Mex. p.11; Dum. & Bibr. v. 
54. 
p. 754. 
Brachydactylus, Smith, S. Afr. Quart. Journ. ii. 1835, p. 144. 
Trachydosaurus, Gray, Cat. Liz. p. 102. - 
Palatine bones in contact on the middle line of the palate. 
Pterygoids toothless. Lateral teeth with subconical crowns. Eye- 
lids well developed, scaly. Tympanum distinct, deeply sunk. 
Nostril pierced in a single nasal, with a curved groove behind ; no 
supranasals ; a complete series of shields between the orbit and the 
upper labials ; preefrontals well developed; frontoparietals and inter- 
parietal distinct, the latter shield in contact with an azygos occipital. 
Dorsal scales rhomhoidal, rugose. Limbs short, pentadactyle ; digits 
cylindrical ; subdigital lamella mostly divided. Tail short, stump- 
like. 
Australia. 
