139 



CHELONURA .—Fleming. 



Genus Chelonura. — Characters. Head large, both jaws strongly hooked; 

 two barbels under the chm; sternum small, cruciform, immovable, covered with 

 twelve plates; supplemental plates, three; tail very long, surmounted with a scaly 

 or tuberculated crest; anterior extremities furnished with five nails, posterior with 

 four. 



CHELONURA SERPENTINA.— Lmn^Ms. 



Plate XXIII. 



Characters. Head large, snout very short, but pointed; shell oblong or sub- 

 quadrilateral, depressed, more or less tricarinated, entire in front, deeply emargi- 

 nate behind, with three points on each side of the central notch. 



Synonymes. Testudo serpentina, Linnseiis, Syst. Nat, torn. i. p. 351. 

 Testudo serpentina, Lad-pide, Quad. Ovip., torn. i. p. 131. 

 Testudo serrata, Pennant, Arc. Zool. suppl., p. 79. 

 Testudo serpentina, Schoepff, Hist. Test, p. 28, tab. vi. 

 Testudo serpentina, Gmelin, ed. Syst. Nat Lin., torn. i. part iii. p. 1043. 

 Testudo serpentina, Shatv, Gen. Zool., vol. iii. p. 72, pi. xix. 

 Testudo serpentina, Latreille, Nat. Hist Rept., torn. i. p. 159. 

 Testudo serpentina, Daudin, Hist. Nat. des Rept, torn. ii. p. 98, tab. xx. fig. 2. 

 La Tortue serpentine, Bosc, Nouv. Diet. d'Hist. Nat., torn. xxii. p. 261. 

 Chelonura serpentina, Fleming, Phil. Zool., vol. ii. p. 268, 



