100 TESTUDINID®. 
k. Her., spir. Sumatra. Leyden Museum. 
l. Yg., spir. Sumatra. 
m,n. Her. & yg., Borneo. L, L, Dillwyn, Esq. [P.}. 
spir. 
o. Hegr., skel. Borneo. L, L. Dillwyn, Esq. [P.]. 
P, q. 6, stftd. ? 
. 2, spir. —P 
8. Her., stfid, —? 
2. Bellia borneensis. 
Orlitia borneensis, Gray, Ann. § Mag. N. H. (4) xi. p. 157 (1873). 
Clemmys (Heteroclemmys) gibbera, Peters, Mon. Pert Ac. 1874, 
p- 622, pl. 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 angulated laterally; the width of the 
bridge much exceeds the length of the hind lobe ; pectoral, abdominal, 
and femoral shieids 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. (?), stfid. Sistang. Dr. Bleeker. (Type.—Cistudo 
borneensis, Blk.) 
11. CLEMMYS. 
SNS part., Dumér. Zool, Anal. p. 76 (1806); Dum. §& Bibr. ii. 
p. 232 (1835) ; Gray, Cat. Tort. p. 14 (1844), and Cat. Sh. Rept. 
eos Lt) (1855). 
Chersine, part., Merrem, Tent. p. 29 (1820). 
Clemmys, part., Wagler, Syst. Amph. p. 136 (1880) ; Strauch, Chelon. 
Stud. p. 28 (1862). 
Terrapene (non Merr.), part., Bonap. Osserv. s. sec. Ed. d. R. A. 
p. 155 (1830). 
Chelopus, Rafin, Atlant. Journ. p. 64 (1832). 
Geoclemys, part., Gray, Cat. Sh. Rept. i. p. 17 (1855), and Suppl. 
p- 26 (1870). 
Nanemys, Agassiz, Contr. N. H. U. S. 1. p. 442 (1857). 
Calemys, Agassiz, l. c. p. AS. 
Glyptemys, Agassiz, l. c.; Gray, Suppl. p. 28. 
Actinemys, Agassiz, l. c. p. 444. 
Chelopus, part., Cope, Proc. Ac. Philad. 1865, p. 185. 
Mauremys, Gra ry, Pi roc. Zool. Soc, 1869, p. 499, and Suppl. Cat. Sh. 
Rept. p. 34. 
Sacalia, Gray, Suppl. p. 35. 
Emys, Gray, l. ¢. 2 36, 
Emmenia, Gray, 7. ¢. p..38. 
Eryma, Gray, /. c. p. 44 
