1325 Ji Mr, Gray on the Genera of KeptileL '201 



wantinsy or too small for walking; sometimes adapted for 

 swimming, 



Orc?er III. Saurophidii, Gray. ./ijt^.'; 

 Drum of the ear deep seated, partly covered with a posterior 

 transverse valve or by the skin; eyes furnished with longitudinal 

 eyelids ; skin covered with uniform imbricate scales, or rings of 

 square plates ; feet two, or four small, weak, sometimes wanting; 

 occipital condyle three cut ; lungs two unequal, or rarely only 

 one ; ossa quadratam one on each side ; upper maxilla immove- 

 able. 



§1. Body covered with imbricate scales ; anus transverse , not 

 terminal: tongue extensile!. 



lam, I. SiNCiD^, Gray, 



Body fusiform ; scales uniform, shining ; tongue fleshy, 

 slightly extensile ; teeth denticulated ; drum of the ear 

 deep, partly covered with a transverse posterior valve ; legs four 

 weak ; toes nearly equal. 



1. Si NOUS, Daud, 



Body fusiform, uniformly scaly; head shielded; feet four ; 

 femoral pores none ; toes 5-5 ; teeth in the jaws, and two rows 

 in the palate. 



S. officinaHs, Schneider, Lacerta Sincus, Lin, 



2. TiLiQUA, Gray, 



Body fusiform, uniformly scaly ; head shielded ; feet four ; 

 femoral pores none ; toes 5-5 ; teeth only in the jawS; 

 T. tuberculatus. Gray. Lacerta Sincoides, White. 



3. Gymnophtalmus, Merrem. 



"Body fusiform ; head shielded ; feet four; femoral pores . . . . ? 

 toes 4-5 ; teeth conical (only in the jaws ?) ; tongue two-forked ; 

 eyelids none," Mcrreu, 



G. quadrilineatus, Merrem. Lacerta, Lin, 



4. Traciiydosaorus, Gray. 



Body fusiform ; head shielded ; back covered with hard bony 

 scales, like the frontal shelds inform ; abdomea with thin scales; 

 feet four ; toes 5-5 ; femoral pores none ; tail short depressed. 



T. rugosus. Gray. New Holland, Capt. P. P. King, RN. 



5. CiciGNA, Gray. , 

 Body subfusiform, with a distinct lateral line ; head shielded ; 



feet four ; femoral pores distinct ; toes 5-5 unequal. 

 C. sepiformis. Gray. Sincus sepiformis, Schneider, 



Fam. II. Angudid^. 



Body cylindrical; scales uniform, shining; tongue fleshy 



