100 



k. Ilgr., spir. 



/. Yg., spir. 



m, 71. llgi. & yg., 



w. Ilgr., skel. 

 ;;, y. cJ , stfl'J. 

 r. $ , spir. 

 8. Ilgr., stfld. 



2. Bellia "borneensis. 



Orlitia borneensis, Gray, Ann. 8f Mag. N. H. (4) xi. p. 157 (1873). 

 Clemniys (Heteroclemmys) gibbera, Peters, 3Ion. Berl. Ac, 1874, 

 p. 622, pi. ii. 



Carapace very convex, tectiform, -with a single obtuse keel, dis- 

 tinct only posteriorly ; posterior border serrated, the posterior mar- 

 ginals very much smaller than the others ; shields slightly rugose ; 

 nuchal rather large, a little broader than long ; vertebrals broader 

 than long, narrower than the costals, second and third hexagonal 

 equilateral ; fourth costal not half as large as third. Plastron 

 smaller than the opening of the shell, truncate anteriorly, angularly 

 notched posteriorly, strongly aiigulated laterally ; the width of the 

 bridge much exceeds the length of the hind lobe ; pectoral, abdominal, 

 and femoral shields equal in length ; the shortest median sutures 

 formed by the anal and humeral shields ; axillary and inguinal 

 shields present. Head as in B. crassicollis. Digital webs very 

 much developed. Uniform brown. 



Length of shell 8 centim. 



Borneo. 



a. Hgr. (?), stffd. Sistang. Dr. Bleeker. (T^'pe. — Cistiuh 



borneensis, Blkr.) 



11. CLEMMYS. 

 Emvs, part., Burner. Zool. Anal. p. 76 (1806) ; Dmn. ^- Bibr. ii. 



p: 282 (1835) ; Gray, Cat. Tort. p. 14 (1844), and Cat. Sh. Eept. 



i. p. 19 (1855). 

 Chersiue, part,, Merrem, Tent. p. 29 (1820). 

 Clemmvs,part., Wagler, Sijst. Ainph.^. 136 (1830) ; Strauch, Chelon. 



Stud:-p.2S (1862). 

 Terrapene (nan Merr.), part., Bonap. Osserv. s. sec. Ed. d. R. A. 



p. 153 (18.30). 

 Chelopus, Rajin. Atlant. Journ. p. 64 (1832). 

 Geoclenivs, part., Gray, Cat. Sh. Rent. i. p. 17 (1855), atid Suppl, 



p. 26(1870). 

 Nanemys, A</assiz, Contr. N. H. U. S. i. p. 442 (1857). 

 Calemys, Agassiz, I. c. p. 443. 

 Glyptcmys, Agassiz, I. c. ; Gray, Sup2)l. p. 28. 

 Actiucmys, Agassiz, I. c. p. 444. 



Chelopus, part, Cope, Proc. Ac. PhiJad. 1865, p. 185. 

 Maureiuvs, Grug, Proc. Zool. Soc. 18G9, p. 499, and Suppl. Cat. Sh. 



Rept. p. 34. 

 Sacalia, Gray, Suppl. p. 35. 

 Emys, Gray, I. c. p. 36. 

 Emmenia, Gray, I. c. p.. 38. 

 Eryma, Gray, I. c. p. 44 



