3864 SCINCIDA. 
8. Tropidophorus grayi. (Prarz XXX. fig. 2.) 
Tropidophorus cocincinensis (non D. § B.), Gray, Cat. p. 101. 
Tropidophorus grayi, Giinth. Proc. Zool. Soc. 1861, p. 189. 
Enoplosaurus insignis, Sauvage, Bull. Soc. Philom. (7) iii. 1879, p. 211. 
Head-shields very strongly striated ; frontonasal divided, longer 
than broad ; an azygos shield between the frontonasals and the 
preefrontals ; frontal as long as or a little shorter than frontoparietals 
and interparietal together; four supraoculars, first longest; five or 
siX supraciliaries anterior to the fourth supraocular, which borders 
the eye; frontoparietals much shorter than interparietal; fifth 
upper labial largest and entering the orbit; postmental sometimes 
divided. Tympanum as large as the eye-opening. 24 to 28 scales 
round the middle of the body; dorsals (six longitudinal series) 
largest, rhomboidal, very strongly keeled, ending in a sharp point; 
laterals much smaller, strongly keeled, the keels directed obliquely 
upwards ; ventrals a little larger than laterals, and much smaller 
than dorsals, usually distinctly keeled; gular scales constantly 
keeled. Three large preeanals. The hind limb reaches the elbow 
or the axilla. Subdigital lamelle keeled. Tail compressed, a little 
longer than head and body, all the scales keeled; keels on the four 
upper rows still stronger than on the dorsal scales, spinose, forming 
strongly serrated ridges. Brown above, with more or less distinct 
lighter and darker transverse bands or spots; lower surfaces pale 
brownish, throat sometimes brown. 
millim millim 
Total length ...... 182 Fore limb ........ 28 
TRA ds beds aet ss wie sec 21 Hind limb........ 37 
Width of head .... 14 Dail. 43 od apeyek et 100 
Body ............ 61 
Philippines. 
a-c. Ad. Philippines. H. Cuming, Esq. [C.]. (Types. 
d,e-f. Ad. & yg. — Philippines. coe eee 
g. Ad. Luzon. Dr. A. B, Meyer [C.}. 
12. TRIBOLONOTUS. 
Tribolonotus, Dum. & Bibr. v. p. 864; Gray, Cat. Liz. p. 101. 
Palatine bones in contact on the middle line of the palate, which 
is toothless. Teeth conical. Eyelids well developed, scaly. 
Tympanum distinct, superficial. Head a bony casque, well separated 
from the neck; nostril pierced in a single nasal; no supranasals ; 
no pretfrontals; frontoparietals and interparietal distinct. Neck 
and body above and on the sides granular, above with transverse 
rows of large osseous bucklers ; lower surfaces with imbricate 
keeled scales. Limbs well developed, pentadactyle ; digits cylindrical, 
with transverse lamelle inferiorly. 
New Guinea. 
