150 EXPEDITION TO THE 



by opening beaver lodges, in which sometimes, but not 

 often, one or two otters were found. Hunters usually 

 catch them by means of steel traps, or dead falls, some- 

 times they smoke them out of their holes ; at other times 

 they shoot them. 



The fisher inhabits thick woods, holes in trees, and fis- 

 sures in rocks. It resorts to the shores of lakes, and banks 

 of rivers, in pursuit of mice, frogs, and other animal food. 

 It crosses rivers, but can no more be considered as a water 

 animal than the fox. It is taken in steel and wooden 

 traps ; sometimes it is shot by means of spring guns, some- 

 times also it is chased and fired at. 



Mr. Say observed in the small lakes a number of leeches, 

 among which four new species have been established. — 

 Vide Appendix I. D. 



