via 
LIST OF ILLUSTRATIONS. 
Page 
Pig. 71. — Left pectoral limb of Mesosaurus tenuidens (Gervais), Irias, 
South Africa 
„ 72.- 
„ 73.- 
„ 74.- 
,, 75.- 
,, 76.- 
„ 77.- 
» 78.- 
,, 79.- 
„ SO, 
„ 81, 
„ 82. 
„ 83, 
„ 84. 
52 
,, 8o. 
„ 86 . 
„ 87 
„ 88 , 
» 89 
„ 90. 
„ 91. 
-Humerus of Conchiosaurus, sp. .. 
—Two views of cranium of Cywmodus ( [Placodus ) laticeps 
(Owen), Muschelkalk, Baireutli .. •• •• •• 
-Cranium of Dicynodon, sp., Karoo series, Cape of Good Hope 55 
-Skulls of Dicynodon laeertic.eps (Owen), and Oudenodon Baini 
(Owen), Karoo series, Cape of Good Hope .. •• •• 5(3 
-Vertebra of Tapinocephalus Atherstonei (Owen), Karoo beds, 
South Africa . . . . . • • • • • • • °7 
-Skull of Gaiesanrus planiceps (Owen), Karoo beds, South 
Africa . . . . . • • • • • • • • • • • 
-A dorsal vertebra of Naosaurus claviger (Cope), Permian, 
Texas . . . . • • • • • • • • • • • • °8 
—Cranium of JElurosaurus felinus (Owen), Karoo beds, South 
Africa . . . . • • • • • • • • • • • • 58 
—Palatal aspect of cranium of Emp edict, $ molaris (Cope), 
Permian, Texas, North America • • • • • • • • 59 
—Tooth of Empedias molaris (Cope), Permian, North America 60 
—Tooth of Deuterosaurus biarmicus (Eicliwald), Upper Permian, 
Russia . . . . • • • • • • - * • * . . 60 
—Fossil Salamander, Oeningen, Megalobatrachus .. .. 63 
—Frontal aspect of cranium of Mastodonsaurus giganteus , 
(Jiiger), Lower Keupcr, Wurtemberg 64 
— Palatal aspect of cranium of Mastodonsaurus giganteus (Jiiger) 
Lower Keuper, V iirtemberg . . . . • • • • • • 64 
— Frontal aspect of cranium of Capitosaurus robustus (Meyer), 
Lower Keuper, Wurtemberg . . . . . . . • . . 65 
, — Frontal aspect of cranium of Metopias diagnostics (Meyer), 
Lower Keuper, Wurtemberg .. .. .. •• ..65 
— Frontal aspect of cranium of Loxomma Allmani (Huxley), 
Carboniferous, Northumberland . . . . . . 66 
. Frontal aspect of skull of Bothriceps Euxleyi (Lydekker), 
Karoo beds, South Africa . . . . . . • • • • 67 
Scutes and cranium of Cricotus heteroclitus (Cope), Permian, 
Texas .. •• •• •• •• •• •• • • 68 
— Frontal aspect of skull of Archcegosaurus Decheni (Goldfuss), 
Lower Permian, Saarbriick . . . . . . . . . . 69 
92. Vertebra of Euchirosaurus Itochei (Gaudry), Lower Permian, 
France . . . . • • • • • • • • • • . . 69 
93 Frontal aspect of cranium of Actinodon latirostris (Jordan, 
sp.), Permian, Saarbriick .. .. .. .. •• 70 
94. Footprints of Chirosaurus Barthi, Bunter Sandstone, Germany 99 
