144 SCINCIDA. 
Palatine bones in contact on the middle line of the palate. 
Pterygoids toothless. Lateral teeth with spheroidal 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 ; prefrontals well developed ; frontoparietals and inter- 
parietal distinct. Limbs short, pentadactyle ; digits subcylindrical 
or slightly compressed, with undivided transverse lamellee inferiorly. 
Australia ; Austro-Malayan and Indo-Malayan Islands. f 
Synopsis of the Species. 
J. Anterior temporals much larger than the others, about as long 
as the interparietal; four supraoculars and six or seven 
supraciliaries. 
28 to 32 scales round the middle of the 
body ; fore limb a little longer than the 
Head), caGyertg vices cane dhs uey atten. 1. gigas, p. 144. 
34 to 40 scales round the middle of the 
body; fore limb not longer than the 
MAL casas sana cer 8) ces ae a apes swe aah te santen 2. scincoides, p. 145. 
II. Temporal scales subequal ; four or five supraviliaries. 
28 to 30 scales round the middle of the 
body ; four supraoculars ............ 3. nigrolutea, p. 146. 
40 to 42 scales round the body ; two 
or three supraoculars; frontonasal in 
contact with the rostral and with the : 
frontal; three auricular lobules ...... A. occipitalis, p. 147. 
88 to 40 scales round the body; three 
supraoculars ; nasals in contact bebind 
the rostral ; a single auricular lobule.. 5. adelaidensis, p. 148. 
1. Tiliqua gigas. 
Scincus gigas, Schneid. Hist. Amph. ii. p. 202; Daud. Rept. iv. 
. 244, 
Tiliqua gigas, Fitzing. N. Class. Rept. p. 52. 
Cyclodus flavigularis, Wag. Icon. Amph. pl. vi. 
—— boddaertii, part., Dum. § Bibr. v. p. 752. 
carinatus, Gitinth. Proc. Zool. Soc. 1863, p. 59; Strauch, Bull. 
Ac, St. Pétersb. x. 1866, p. 454. 
petersii, Strauch, 1. ¢. 
— gigas, Doria, Ann. Mus. Genova, iv. 1874, p. 841; Peters and 
Doria, Ann. Mus. Genova, xiii. 1878, p. 365. 
Frontonasal in contact with the rostral; prefrontals forming a 
median suture; four supraoculars, second largest; six or seven 
* Except in T. adelaidensis, which has the teeth more conical. 
