00 



CATALOGUE OF SHIELD REPTILES. 



the first vertebral ; hinder discal plates flat ; the first ver- 

 tebral broader than long ; second, third and fourth ver- 

 tebrals bluntly keeled ; forehead convex. Jaws bright yel- 

 low ; neck with acute warts. 



Hydromedusa flavilabris, Gray, Cat. Tort. B.M. 44. 

 Chelodina flavilabris, Bum. ^ Bib. Erp. Gin. ii. 446 ; Cat. 

 Meth.R.2\. 



Hah. Brazils. 



a. Half-grown (in spirits). Shields nearly smooth. Brazils. 

 From M. P. Clausen's Collection. 



H. Maximiliani, jun., Gray, Cat. Tort. B.M. 44. 



h. Young (in spirits). Shields concentrically grooved. 

 Brazils. From M. P. Clausen's Collection. 



c. Adult (stuffed ; wanting head) . The anterior vertebral 

 plate small, quadrangular, narrow in front ; second 

 very large, broad in front, narrow behind, about as 

 long as broad ; the third, fourth and fifth vertebral 

 plates bluntly keeled ; the costal plates even, the first 

 and third rather more convex than the others near the 

 upper edge. South America. From the Zoological 

 Society. 



*** Back not heeled, rounded behind. 



3. Hydromedusa depressa. The Depressed Hydro- 

 medusa. Tab. XXVI. 



Shell oblong, depressed, dark brown, entire, rounded in 

 front, rather angular behind ; nuchal plate short, broader 

 than the first vertebral ; first vertebral square, as long as 

 broad, with the front lateral angle produced. Sternum pale 

 brown ; gular plates short, subequal. Head grey ; lips 

 and beneath white ; neck with small conical warts. 



Hvdromedusa subdepressa. Gray, Proc. Zool. Soc. 18.53; 

 'Ann. ^- Mag. Nat. Hist. 185.5, xv. 68. 



Hab. Brazils. 



a. Adult (in spirits). Some of the plates of the back and 

 sternum divided into a number of small roundish 

 shields. Brazils. Mr. Brandt's Collection. 



d. Claws 5 • 4. Head J!at, mncfi depressed ; beaks covered 

 with fieshy lips ; chin bearded ; intergular plate 

 marginal. 



Chelydidffi B. d. Gray, Cat. Tort. B.M. 36 (1844). 

 Chelidina, Gray, Ami. Phil. x. 211 (1825). 

 Chelouea B (part.), Flem. Phil. Zool. ii. 211 (1822). 

 Chelydse, fl'iegm. ^- Ruthe, Handb. 167. 



Fitz. Si/st. Rppt. 30. 

 Steganopoda mandibulata. Fit:. Syst. Rept. 29. 

 Chelina, Bonap. Saggio Anini. Vert. 13 (1832) ; Tab. 



Analyt. !) (1836). 

 Chelydoides, Fitzinger, Neiie Class. 1826. 



8. CHELYS. 



Head flat, broad, fringed with warty appendages. Eyes 

 small. Nose elongated into a tubular proboscis. Mouth 

 roundish. Jaws covered with soft lips ; lower jaw elevated 

 behind. Tongue-bone very complicated {Ciiv. Oss. Foss. v. 

 t. 1). Neck thick, flat, long, bearded on each side. Legs 

 scaly. Tail short, warty. Shell ovate, convex, broader 

 before, acutely three-keeled, flattened in the middle of the 

 back. Shields thin, angularly gibbous. Sternum narrow, 

 broader and rounded in front, narrower and bifid behind. 

 Intergular plate marginal. South America. 



Chelvs, Daudin, Rept. 1802. 



'Oppel, Rept. (1811). 



Dumeril, Zool. Anal. 77 (1805). 



Gray, Ann. Phil. x. 211 (1825). 



Flem. Phil. Zool. ii. 2/1 (1822). 



Bell, Zool. Joiirn. iii. 515. 



Wagler, Syst. 134. 



Merrem, Tent. 24. 



Fitz. Syst. Rept. 29. 



Bum. S,- Bib. Erp. Gen. ii. 455 ; Cat. Meth. 7?. 21. 

 Matamata, Merrem, Tent. 21 (1820). 



Rit:en, Nov. Act. Nat. Cur. xiv. 270. 

 Chelys (Chclides ou Tortues a gueule), Cuv. R. A. ii. 14. 



1. Chelys Matamata. The Matamata. 



Shell oblong ; shields elevated, acute, forming three keels. 



Testudo Raxarara, Ferm. H. N. Holl. Equin. 51. 

 T. fimbriata, Schneid. Schildk. 349. 



Gmel. Si/st. Nat. i. 1043. 



Srhoepf. Test. 07. t. 21. 



Shaw,' Zool. iii. 70. t. 18. 

 Chelys fimljriata, Schweig. Prod. 294. 



Spix, Bras. t. 1 1 . 



IJ'agler, Syst. 134. t. 3. f. 4, 24. 

 Matamata fimbriata, Merrem, Tent. 21. 

 Testudo Matamata, Brug. Journ. H. N. 1792, 253. t. 13. 



Latr. Rept. i. 9. t. 4. f. 1. 



Schlegel, Faun. Japan. 41. 



Baud. Rept. ii. 86. t. 20. f. 1. 

 T.terrestris major sive ^uparara., Bai-r^re, France Equin. 60. 

 La Matamata, Citv. R. A. ii. 15. 



Chel3-x fimbriata. Gray, Ann. Phil. x. 212 ; Syn. 431 ; Cat. 

 Tort. B.M. 44. 



Fife. Syst. Rept. 30. 



Bum. ^- Bib. Erp. Gen. ii. 455. t. 21. f. 1 ; Cat. M^th. 

 R. 21. 



Hab. Brazils. 



a, b, c. Adult (stuffed). Brazils. 



Osteology : — 



Testudo fimbriata, Cuv. Oss. Foss. v. 189. t. 11. f. 21, 24, 



skull; t. il. f. 25, lower jaw. 

 Chelvde, Cuv. Oss. Foss. v. 194. t. 12. f. 41, os hvoides ; 



t."l2. f. 3, clavicle; t. 12. f. 13 & 37, hand and foot. 

 Chelvs :\Iatamata, Wagler, Syst. t. 3. f. 3-24. 



