144 SCINCID^. 



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 simk. 

 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 ; pntfrontals well developed ; frontoparietals and inter- 

 parietal distinct. Limbs short, pentadactyle ; digit" subcylindrical 

 or slightly compressed, with undivided transverse lamellae inferiorly. 



Australia ; Austro-Malayan and Indo-Malayan Islands. 



Synopsis of the Sjoecies. 



I. 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 1. ffigas, p. 144. 



34 to 40 scales round the middle of the 



body ; fore limb not longer than the 



head 2. scincoides, p. 145. 



II. Temporal scales subequal ; four or five supraciliaries. 



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 4. occipitalis, p. 147. 



38 to 40 scales round the body ; three 



supraoculars ; nasals in contact behind 



the rostral ; a single auricular lobule. . 5. adelaidensis, p. 148. 



1. Tiliqiia gigas. 



Scincus gigas, Schneid. Hist. Amph. ii. p. 202 ; Daud. Heat. iv. 



p. 244. 

 Tiliqua gigas, Fitzing. N. Class. Rept. p. 52. 

 Cyclodus flavigularis, Wagl. Icoti. Amph. pi. vi. 



boddaertii, part., Diim. ^- Bibr. v. p. 752. 



carinatus, Gi'mth. Proc. Zool. Soc. 18G3, p. 59 j Strauch, Bull. 



Ac. St. Petersh. x. 18G6, p. 454. 



petersii, Strauch, I. c. 



gigas, Doria, Ann. Mus. Genova, iv. 1874, p. 341 ; Peters and 



Doria, An7i. 3Ius. Genova, xiii. 1878, p. 365. 



Frontonasal in contact with the rostral ; prasfrontals forming a 

 median suture ; four supraoculars, second largest ; six or seven 



Except in T. adelaidensis, which has the teeth more conical. 



