mbhwhy 
to 
wn 
kwh eH 
Nw 
. Testudo 
. Testudo 
. Testudo 
. Testudo 
. Testudo 
. Testudo 
. Testudo 
Testudo 
Testudo 
. Testudo 
. Testudo 
. Testudo 
1. Plastom 
nN 
INDEX OF PLATES. 565 
PLATE 79. 
orthopygia. Carapace. 0.4. Mostly from No. 2415, but partly from Nos. 3931 
and 2320 A. M.N.H. Represents young individuals called by Cope Nerobates 
cyclopygia. 
orthopygia. Plastron. 0.4. Mostly from No. 2415, but partly from No. 3931 
A.M.N.H. Form called by Cope Xerobates cyclopygia. 
PLATE 80. 
orthopygia. Shell, side view. 0.4. Restored from same specimens as figures 
of Plate 70. 
gilberti. Skull of type, seen from above. X 0.75. From type in coll. Univ. Kansas. 
gilberti. Same skull seen from below. % 0.75. 
gilberti. Same skull, right side. 0.75. 
gilberti. Lower jaw of same skull. X 0.75. 
PLATE 8&1. 
orthopygia. Carapace. ™ 0.25. No. 6108 A. M.N.H. 
PLATE 82. 
orthopygia. Plastron. X 0.25. No.6108 A. M.N.H. 
PLATE 83. 
FROM PHOTOGRAPHS FURNISHED BY CARNEGIE MUS., PITTSBURG. 
ede. Carapace of type. X03. No.1535 Carnegie Mus. 
ede. Plastron of type. 0.3. 
PLATE 84. 
FROM PHOTOGRAPHS FURNISHED BY CARNEGIE MUS., PITTSBURG. 
hollandi. Carapace of type. X %. No.1561 Carnegie Mus. 
. Testudo hollandi. Plastron of type. X %. 
PLaTE 85. 
. Plastomenus costatus. Costal bone. Slightly reduced. No. 6131 A. M. N. H. 
. Plastomenus costatus. Right xiphiplastron. Slightly reduced. No. 6131 A. M. N. H. 
. Plastomenus molopinus. Carapace. 0.6. No. 5941 A. M.N.H. 
Prate 86. 
REPRODUCTION OF FIGURES BY COPE. 
. Plastomenus catenatus. Fragment of costal. * 1. No.1138U.S.N.M. 
. Plastomenus? leptomitus. Fragment of costal. & 1. No.1113U.S.N.M. 
. Plastomenus? lachrymalis, Fragment of costal. X 1. a, view of edge of fragment. 
. Plastomenus? fractus. Fragments of costals. 1. Types lost. w, 4, the proximal 
end of a costal, showing both surfaces; y, s, fragments of two costals. 
. Plastomenus corrugatus. Part of left hypoplastron. ™ 1. Original lost. . 
. Plastomenus communis. Two peripherals. 1. a, seen from above; b, view of edge. 
Type. No.1132U.S.N.M. 
. Plastomenus communis. Two peripherals of type. X 1. 
. Plastomenus communis. Fragment of hyoplastron of type. ™ 1. 
. Amyda cariosa. Neural. X1. Type. No.2575U.S..N.M. 
. Amyda cariosa. Fragment of costal of type. X I. 
. Amyda radula. Fragment of costal of type. 1. No. 2581 U.S. N.M. 
. Amyda radula, Fragment of costal of type. ™ I. 
PLATE 87. 
enus visendus. Carapace. 0.5. Type. No. 1895 A. M.N.H. 
. Plastomenus visendus. Plastron of same specimen. X 0.5. 
