viii LIST OF ILLUSTRATIONS 



TO FACE PAGE 



A TYPICAL MUSK-RAT'S HOUSE (LONG ISLAND, N.Y.), 

 WHICH CLOSELY RESEMBLES A VERY ROUGHLY 

 MADE BEAVER'S LODGE, EXCEPT THAT REEDS 

 INSTEAD OF LOGS ARE USED . VI ,' . V 24 



POPLAR TREE CUT DOWN BY BEAVER ... 24 



AN INTERESTING AND SOMEWHAT UNUSUAL TYPE OF 

 LODGE ON THE EDGE OF A POND SOME DISTANCE 

 AWAY FROM ANY TREES . f . ' . . .25 



SHOWS AN ISLAND LODGE IN A POND MADE BY THE 



BEAVER. '*'/"' . '' Y T' ? '/'. ' ''. . 25 



A DAM IN ITS EARLY STAGE OF CONSTRUCTION, SHOWING 

 HOW THE STICKS, CHIEFLY ALDER, ARE LAID 

 LENGTHWAYS WITH THE STREAM ... 30 



BEAVER ON THE TOP OF HIS LODGE ... 31 

 A VERY MUCH CURVED DAM . ^ ^, / j fw .. , . . 36 



DAM BUILT ALMOST ENTIRELY OF SMALL STONES, 



WEIGHT OF WHICH SELDOM EXCEEDED 4 LBS. . 37 



WHERE THE BEAVER HAVE CUT GRASS FOR BEDDING 



(NEWFOUNDLAND) i* ; '* : ! ''' . . r ; v j . 37 



A SUBSIDIARY OR SUPPORTING DAM . '-'j^ . 42 

 MENDING A BROKEN DAM ' v ^ -; l '+%* . 43 

 BEAVER IN THE ACT OF REPAIRING A BREAK IN THE 



DAM '. . ..**" V' : - :. B -!.-IJ';V. . -.. ^ 4g 



A GATE OR SPILLWAY CUT IN THE DAM IN ORDER TO 



LET THE SURPLUS WATER ESCAPE . ,#>*' 49 



SHOWING THE FACING OF A RECENTLY ABANDONED DAM 49 



