20. TESTUDO. 157 



This species is based on a shell, ■which much resomhlcs T. poJif- 

 j^hcniHS, but (liU'ers in the absence of a nuclial shield. It -was 

 afterwards referred by (!ray to the synonymy of 2\ poli/phemus, 

 of wliich it is perhaps only an anomalous specimen. 



a. IlgT., shell. ? Mus. College of Surgeons [E.l. 



(Type.) 



4. Testudo tabnlata. 



? Testudo donticulata, Li/in. S. N. i. p. .')52 (1700) ; Daud. Rcpt. ii. 



p. ;K);5(1so2). 



Testudo tahulata, Walhaum, Chvhni)[/r. p. 122 (1782); Schoepjf, 

 Test. p. oO, pis. xii. tig. 2, xiii., & xiv. (17'^2); Daud. licpt. \i. 

 p. 242 (1802) ; Wiid, Beitr. Nat. Bras. i. p. ol, «?«/ A/>bi7d. pi. — 

 (1825); BeU,j\L»i. Test. pi. — (18.%); Dum. ^- Blhr. ii. p. 89 

 (1835) ; Gray, Cat. Tort. p. 5 (1844), «/«/ >Sh. Rept. i. p. 5 (1855); 

 Strauch, Chelan. Stad. p. 80 (18G2), and Verth. Schildkr. p. 25 

 (1865) ; Gratf, Suppl. Cat. S/i. Bept. i. p. 4(1870). 



denticulata, Schocpf, I. c. p. 110, pi. xxviii. fig. 1. 



tessellata, Schneid'. Schrift. Berl. Katurf. Fr. x. p. 202 (1792), 



Chersine tessellata, Merr. Tent. p. 31 (1820). 



Testudo hercules, Spiv, Test. Bras. p. 20, pi. xiv. (1824). 



sculpta, Spi.r, I. c. p. 21, pi. xv. 



caibonaria, Spt.r, I. c. p. 22, pi. xvi. ; Bell, I. c. ; Diim. 8f Bibr. 



p. 99; Strauch, II. cc. pp. 81, 27. 

 cagado, Spix, I. c. p. 23, pi. xvii. 



Chersine tabulata, Gracenli. Belie. Mtts. Vratisl., Rept. p. 19 (1829). 

 Testudo boiei, Ifat/l. Icon. Amph. pi. xiii. (1829). 

 Chelouoides tabulata, Gray, I'roc. Zool. 6'oc. 1873, p. 724, pi. Ix. 

 fig. 3. 



Shell very thick, elongate, not more than half as deep as long ; 

 carapace with straight upper profile, declivous in front and behind, 

 ■with the margin not reverted nor serrated ; edge of anterior and 

 posterior marginals spinose in the very young ; anterior margin not 

 or but feebly notched ; no nuchal shield ; supracaudal undivided, 

 curved inwards ; dorsal shields more or less strongly grooved con- 

 centrically, rarely smooth ; vertebral shields much broader than 

 long, at least as broad as costals. Plastron large ; front lobe not 

 produced, truncate, bent upwards, not or but slightly extending 

 beyond the carapace ; hind lobe broadly notched posteriorly. Head 

 moderate ; a large pra}frontal and a large frontal, undivided, or one 

 or both divided into two by a median suture ; beak feebly hooked ; 

 edge of jaws denticulated ; alveolar surface of upper jaw with a 

 strong, tubercular, median ridge. Fore limb anteriorly with large, 

 unequal-sized, roundish, juxtaposed or subimbricate scales, one of 

 which, on the inner side near the elbow, is usually much enlarged ; 

 no conical tubercles on the back of the thighs. Carapace dark 

 brown or black, each dorsal shield yellowish or orange in the centre ; 

 plastron brown and yellow, often yellow with a large median 

 roundish dark brown area. Head and limbs with orange or red 

 spots. 



