Xll 



LIST OF ILLUSTRATIONS 



PLATE 



PACE 



XVIII. Upper Molars of Rhinoceros leptorhinus (R. megarhinui), 



R. hemitcechus, and R. bicomis . 336 



XIX. Lower Jaw with Molars of Rhinoceros hemitcechus, from 



the Gower Caves 340 



XX. Lower Jaw with Molars advanced in wear of Rhinoceros 



hemitcechus, from the Gower Caves .... 340 



XXI. Lower Jaw with Molars, and Upper Jaw with Milk Den- 

 tition, of Rhinoceros hemitcechus ..... 342 



XXII. Lower Jaw and Molars of Rhinoceros Etruscus, from the 



Norfolk Forest-bed and the Val d'Arno . . .346 



XXIII. Comparison of Skulls of Rhinoceros hemitcechus, from the 



Gower Caves and Northamptonshire. Basal views . 352 



XXIV. Comparison of Skulls of Rhinoceros hemitcechus, from the 



Gower Caves and Northamptonshire. Profile and upper 

 views 352 



XXV. Milk Dentition of Rhinoceros hemitcechus, from the Gower 



Caves, and Molars of R. Etruscus, from Pisa . . 354 



XXVI. Cranium of Rhinoceros Etruscus in Florence Museum . 356 



XXVII. Cranium, Lower Jaw and Molars of Rhinoceros Etruscus 



in Florence Museum 356 



XXVIII. Cranium of Rhinoceros Etruscus in Museum at Pisa, and 



Lower Jaw of ditto at Leghorn ..... 360 



XXIX. Cranium, showing Molars, of Rhinoceros Etruscus, in the 



University Museum of Bologna .... 366 



XXX. Lower Jaw of Rhinoceros leptorhinus (R. megarhinus) in 



the Museum of Montpellier 368 



XXXI. Molars and Cranium of Rhinoceros leptorhinus (R. megar- 

 hinus) at Imola and Lyons ...... 370 



XXXII. Molars of Rhinoceros leptorhinus (R.?negarhinus) at Stutt- 

 gart and Rome 378 



XXXIII. Lower Jaws and Dentition of Plagiaulax Becklesii . . 410 



XXXIV. Lower Jaws and Dentition of Plagiaulax Becklesii, Plag. 

 minor, Microlestes antiquus, Thylacoleo carnifex, and 

 Cheiromys Madagascariensis ..... 416 



XXXV. Lower Jaws of various Species oiSpermophilus and Carnas- 



sier of Felis spelcea ....... 454 



XXXVI. Lower Jaw of Hyaenoid Wolf, from Spritsail-Tor Cave, 



and of Ursus from ' Deborah's Den ' . 470 



XXXVII. Antler of Cervus (Euclacloceros) Sedgwickii . . . 480 



XXXVIII. Crania of Croeodilus cataphr actus and C. marginatum . 484 



