VI CONTENTS. 



CHAP. IX. 



On the three Aberrant Orders, or the Emydosaures, the Chelonides 

 and the Elanosaures, or the Crocodiles, Tortoises, and Fish Lizards - 



Page 109 



CHAP. X. 



On the Ophides, or Serpents - . - - - - IS^ 



CHAP. XL 



On the Saures, or Lizards - _ * . 145 



PART 11. 



THE NATURAL ARUAXGESIENT OF THE CLASSES OF FISHES, 

 AilPHIBIAXS, AND REPTILES. 



CHAPTER L 

 A Synopsis of the Natural Arrangement of Fishes - - 167 



CHAP. II. 



A General Arrangement of Fishes, according to their supposed na- 

 tural AflBnities and Relations . - . 197 



CHAP. IIL 



A Natural Arrangement of the Class Amphibia,'according to Professor 

 Bell .... - 239 



-CHAP. IV. 

 A Synopsis and Natural Arrangement of the Class of Reptilia - 343 



APPENDIX. 



THE CHARACTERS AKD DESCRIPTIONS OF SIXIT-TWO XEW OR 

 LITTLE KNOWN SPECIES ALLUDED TO IN THIS WORK, p. 385. 



INDEX - - - - - - 427 



