Ankh WN 
boo 
inl 
ae) 
wh 
HOO MN ANA W 
INDEX OF PLATES. 567 
PLATE 97. 
. Aspideretes grangeri. Carapace of type. X 0.4. No. 3942 A.M.N.H. 
. Amyda? prisca. Proximal end of costal. x1. No. 2401 A. M. N. H. 
. Amyda? prisca. Distal end of costal. 1. No.2401 A.M.N.H. 
. Amyda? prisca. Supposed part of nuchal. xX 1. No. 2401 A. M.N. H. 
. Amyda? prisca. Supposed last costal. xX 1. No.2401 A.M. N.H. 
. Amyda? prisca. Portion of costal. xX 1. No. 2401 A.M.N.H. 
PLatTE 08. 
. Amyda ventricosa. Distal end left hypoplastron of type. xX 1. No.1112 U.S.N.M. 
. Amyda ventricosa. Distal end of left hypoplastron of another individual. 1. No. 1112 
U.S.N.M. 
. Amyda ventricosa. Undetermined fragment of same lot. 
. Amyda ventricosa. Distal end of costal plate of same lot. 
. Amyda ventricosa. Portion of costal of small individual of same lot. 
Amyda ventricosa. Fragment of costal of same lot. 
Amyda concentrica. Fragment of costal of type. x1. In A.M.N.H. 
. Amyda concentrica. Fragment of costal of type. 
. Amyda concentrica. Fragment of costal of type. 
. Amyda concentrica, Fragment of costal of type. 
. Amyda lima. Portion of costal forming type. 1. In A.M.N.H. 
. Amyda buiei. Fragment of costal. x1. In A.M.N.H. 
. Platypeltis serialis. Left half of carapace. X 1. No.6014A.M.N.H. 
. Platypeltis heteroglypta. Part of middle of fifth costal of type. 1. No. 1039 A.M. N. H. 
PLATE 99. 
. Amyda equa. Carapace of type. X 0.31. U.S.N.M. 
2. Amyda equa. Third neural and costal of type. ™ 1. 
hw dbx 
. Amyda equa. Portion of middle of costal. 1. 
PLATE 100. 
. Amyda uintensis. Plastron of type. 0.27. Coll. Phila Acad. 
. Amyda scutumantiquum. Right hyoplastron and hypoplastron of type. 0.5. No. 1035 
A. M.N. H. 
. Amyda scutumantiquum. Part of first and second neurals and first and second costals 
of type. XI. 
. Amyda scutumantiquum. Part of distal end of a costal of type. X I. 
PLATE IOI. 
. Amyda scutumantiquum. Carapace of type. 0.3. No. 1035 A.M. N.H. 
. Platypeltis heteroglypta. Carapace of type. X 0.38. No. 1039 A. M.N.H 
PLATE 102. 
Amyda francisce. Carapace of type. X04. No. 5936A.M.N.H. 
PLATE 103 
Amyda francisce. Plastron of type. X0.4. No. 5936 A.M.N. H. 
PLATE 104. 
. Amyda salebrosa. Carapace of type. 0.3. No. 3941 A. M.N. H. 
. Aspideretes puercensis, Right hyoplastron and hypoplastron. X 0.6. No. 1202 A. M. N. H. 
. Aspideretes puercensis. Portion of right xiphiplastron of type. 0.6. 
. Axestemys byssina. Left xiphiplastron. 0.43. U.S.N.M. 
PLATE 105. 
. Amyda mira. Carapace of type. 0.5. No.6130 A. M.N.H. 
. Temnotrionyx manducans. Part of right maxilla of type, side view. %* I. No. 5929 
A. M.N. H. 
_ Temnotrionyx manducans. Same maxilla, showing grinding surface. * 1. 
