6 Table of Contents. 



SECTION VI. 



PARASITES, DISEASES AND ENEMIES. 



CHAPTER XXXIV. PAGE. 



Parasites 250 



External Parasites 251 



Internal Parasites 254 



CHAPTER XXXV. 



Diseases 255 



A Dead Horse 257 



Fish That Die After Spawning 259 



An Epidemic 260 



CHAPTER XXXVI. 



Enemies 267 



Fish -. . 268 



Reptiles and Batrachians 260 



A Plant 278 



Insects and Their Larvae 279 



Mammals 283 



SECTION VII. 

 SALT-WATER FISH. 



CHAPTER XXXVII. 

 Codfish 292 



CHAPTER XXXVIII. 

 Tomcod 294 



CHAPTER XXXIX. . 



Lobsters 296 



Lobsters are Biennial Spawners 296 



