CONTENTS. 

 LETTER XVII. 



ttgi 

 of Fishes.., Head, Eyes, Jaws, Teeth, Palates, Proboscides, Scalts, Bones, &c. ............ 253 



LETTER XVI*. 



Entomolithi... Insects in Pappenheim Limestone. ..In Coal Slate. ..Crabs of Shepey, Verona, 

 East Indies, and Maestricht...Oniscites...MonocuIites...Trilobites *25? 



LETTER XVIII. 

 Amphibiolithi... Tortoise... Crocodile .........>..... 26S 



LETTER XIX. 



Fossil Crocodiles... Two Species found in France, differing- from any known Species.. .Fossil Spe- 

 cies found also in England 270 



LETTER XX. 



Large Fossil Animal of Maestricht... Ascertained to be neither Physeter, Fish, nor Crocodile.. , 

 Opinions of Dr. Peter Camper, M.Faujas, M. Adrian Camper, &c.... Remains of the existing 

 Monitors. ..English Specimens ........................... 286 



LETTER XXI. 

 Ornitholites , 302 



LETTER XXIL 



Fossil Remains of Mammalia. ..Cetacea, Whales, &c.... Amphibia... Trichecus, Seals, &c...,Soli- 

 pedes, the Horse ., 307 



LETTER XXIII. 

 Fossil Remains of Ruminantia... Fossil Elk of I re land... Stags, &c....Ox, Buffalo, Auroch, &c.... 319 



LETTER XXIV. 



Fossil Bones of Ruminants, &c. in the Islands of Cherso and Osero... Island of Cerigo...AtNice 

 and Antibes... At Cette...Near Concud, in Arragou...In the Rock of Gibraltar ...,., 329 



LETTER XXV. 



Fossil Remains of Elephants. ..Frequently found... Manifest the Existence of one or more Fossil 

 Species ... 33$ 



LETTER XXVI. 

 Mastodon , 35* 



LETTER XXVII. 



Fossil Remains of the Rhinoceros.. .Fossil Animal different from the recent Species... Hippopo- , 

 tarn us... Fossil Remains... Small Fossil Hippopotamus, an unknown Species. ..Fossil Animal* 

 approaching to the Tapir ...,....,..,......,..............,....,..,.......,.,>,.,,.,,. 367 



