CONTENTS. 



TEGUMENTARY SYSTEM. 



Mammalia 1 



Aves 65 



Reptilia 130 



Pisces 183 



OSSEOUS SYSTEM. 



Mammalia 5 



Aves 68 



Reptilia 132 



Pisces 187 



MUSCULAR SYSTEM. 



Mammalia 18 



Aves 82 



Reptilia 147 



Pisces 204 



NERVOUS SYSTEM. 



Mammalia 22 



Aves 86 



Reptilia 149 



Pisces 207 



ELECTRIC ORGANS OF FISHES.. 217 



ORGANS OF THE SENSES. 



Mammalia 25 



Aves 90 



Reptilia 152 



Pisces 221 



DIGESTIVE SYSTEM. 



Mammalia 35 



Aves 99 



Reptilia 160 



Pisces . . .230 



CIRCULATORY SYSTEM. 



Mammalia 44 



Aves 104 



Reptilia 164 



Pisces 239 



RESPIRATORY SYSTEM. 



Mammalia 47 



Aves 107 



Reptilia 169 



Pisces . . 245 



SWIMMING-BLADDER OF 

 FISHES 



250 



URINARY ORGANS 



Mammalia 49 



Aves 121 



Reptilia 174 



Pisces 253 



PARTICULAR ORGANS OF 

 SECRETION. 



Mammalia 50 



Aves 122 



Reptilia 175 



GENERATIVE SYSTEM. 



Mammalia 52 



Aves 123 



Reptilia 176 



Pisces 255 



BIBLIOGRAPHY OF 



Mammalia. 61 



Aves 127 



Reptilia 180 



Pisces 259 



APPENDIX 263 



