CONTENTS OF VOL. IT. XXXV 
Page. 
CHELONEA. 
General Description. : : 4 268 
A. Lips corneous. Cistuda, Testudo, Emys, Chelon- 
ura, Chelonia, Coriudo. . : - 270 
B. Lips fleshy. Chelys, Trionix. : : 271 
SauRta. 
General Description. 4 : ; . ib. 
A. Furnished with four feet. : : ; : 22 
B. Furnished with two feet, : : : 278 
II. Body destitute of feet. Ophidia. 
General] Description of Serpents. : 279 
A. Ventral and dorsal scales similar. Anguis. Am- 
phisbeena. i F : 288 
B. Ventral and dorsal scales dissimilar. Boa. Colu- 
ber. Crotalus, . , 290 
HEART WITH ONE AURICLE. 
General Description of the Barracuta. ; : 296 
A. Furnished: with feet. With a tail, Salamandra, 
Triton, Sirena, Apneumona. Destitute of a tail. 
Hyla, Rana, Bufo, Pipa. P ; : A 206 
B. Destitute of feet. Cecilia. : ‘ 305 
FISHES. 
General Description. Skin. Lateral line. Fins. Suck- 
ers. Air-bag. Brain. Nutrition’ Gills. Re- 
production. Age. Distribution. Fish-ponds. 
Dietetical Uses, é i : 305 
Order I.—Cartilaginous Fishes. 
abdivigial I. Branchiz fixed.—Chondroptery- 
gious Fishes. 
Tribe I. Lips fitted to act as a sucker. Petromy- 
zon. Homea. Ammocetes. Myxine. - S874 
c2 
