xii CONTENTS. 
Chap. Page 
80, Animals whose origin is still unknown 544 
86. Salamanders 545 
87. Animals which are born of beings that have not been born them- 
selves — animals which are born themselves, but are not repro- 
ductive — animals which are of neither sex 546 
88. The senses of animals — that all have the senses of touch and taste 
— those which are more remarkable for their sight, smell, or 
hearing — moles — whether oysters have the sense of hearing . . ib. 
89. "Which fishes have the best hearing 547 
90. Which fishes have the finest sense of smell ib. 
91. Diversities in the feeding of animals 548 
92. Animals which live on poisons ib, 
93. Animals which live on earth — animals which will not die of 
hunger or thirst 549 
94. Diversities in the drinking of animals 550 
95. Antipathies of animals. Proofs that they are sensible of friendship 
and other afifections ib. 
96. Instances of afi'ection shown by serpents 552 
97. The sleep of animals ib. 
98. "What animals are subject to dreams . . . . 553 
