202 Mr. Gfay on the Genera of Reptiles. [Sept. 



necked ; dnim of the ear, partly covered with a transverse poste- 

 rior valve ; feet four or two, weak ; anus transverse, not terminal. 



» 



1. Seps. Daud, Chamsesaura, Schneider, 



Head shielded ; legs four ; toes 3-3 ; body without any dis- 

 tinct lateral line ; scale uniform. 



S. chalcidica, Merrenu Orey, with nine grey lines above ; 

 tail longer than the body; scales of the head unequal. Lacerta 

 chalcides, Lin, C. chalcis, Schneid, Chalcides Seps, Laireille, 

 Seps. tridactylus, Daud. 



S. equalis, Grai/. Grey ; tail thick, half as long as 



the body (perhaps injured) ; scales of the head equal ; head and 

 body 30-10 ; tail 17th of an inch ; scale of the head numerous, 

 very nearly equal. 



2. Tetradactylus, ikferrem. 



Head shielded ; legs four ; toes 4-4 ; body furnished with a 

 distinct lateral line ; scale of the back quadrade of the abdomen 

 hexagonal ; tongue short entire. 



T. Chalcidicus, Merrem, Lacerta tetrad actylus, Lacep,Ann, 

 Mus, 



3* MoN OD ACTY Lus, Merrew. Chamaesaura, ^cAweicf. 



Head shielded ; body with acute keeled scales ; feet four ; 

 toe one to each foot ; tongue short entire. 



M. anguinus, Merrem, Lacerta anguina, Lin, Chalcides 

 pinnata, Laur, C. anguinea, Law. 



4. BiPEs, Laup, 



Head shielded ; body with imbrical scales ; fore feet hid in 

 the skin ; hind feet with two toes ; tongue short apex necked. 



B. anguinus, Merrem, Lacerta bipes, Lin, 



Merrem describes from Gronovius an animal under the names 

 of Fygodactylus Gronovii, but he doubts it being distinct from 

 the former ; it is only said to differ in having only one toe to 

 the hind feet. Cuvier, R. A. describes the former as only hav- 

 ing one ; on what auihority I do not know. 



5. Pygopus, Merrem, 



Head shielded ; body with a distinct lateral line (" back 

 scaly ; abdomen with small shelds," Merrem) ; femoral pores 

 distmct; eyes large ; drum of the ear large ; teeth in the jaws 

 only ; tongue short, entire ; fore feet hid in the skin ; hind feet 

 clawless ; rounded, lobed. 



P. lepidopus, Merrem, Bipes lepidopus, Lacep, N. Holland. 



6. Ps EU DO p u s, 3f(errew. Sheltopusik, Ltf«m//e. 



Head shielded ; body furnished with a distinct lateral line ; 

 fore feet wanting ; hind feet short, two or three lobed ; tongue 

 two-forked; teeth blunt only in the jaws. 



