168 INDEX 



damage by . . ...................................................... 129 



enemies of .......................... .............................. 137 



food of .......................................................... . .136 



fur of ............................................................ 128 



habits of ..................................................... 127, 135 



poisoning ........................................................ 138 



trapping of .................................... . .................. 138 



value of .......................................................... 129 



jack ............... , ..... ........................................ 131 



Meai ns' cotton-tail ............................ .................... 134 



snow-shoe ....................................................... 130 



Rabbits and hares .............................................. 126, 152 



Rat, black .......................................................... 68 



distribution of .................................................. 69 



Rat, brown ......................................................... 54 



control of ........................................................ 60 



diseases carried by ............................................... 58 



elimination of ...... .......................... .................... 67 



enemies of ........................ . ................. . ............. 58 



food habits of ...................................... .............. 57 



habits of ......................................................... 55 



loss due to ........................................................ 57 



origin of ................................. ........................ 55 



poisoning .................................. ...................... 65 



trapping of ....................................................... 62 



house ........................ .................................. 54 



Norway .......................................................... 54 



Rats and mice ................................................. 52, 146 



Rattus ........................................................ 146, 147 



norvegicus .......................... ......................... 54, 147 



rattus .................. . . ........ . .......................... 68, 147 



Red gopher .............. .......................................... 108 



squirrel ................ . ......................... ............ 25, 143 



distribution of ............. . .................................... 24 



Red-shouldered hawks, enemies of rodents ............ : ............... 33 



Red-tailed hawks, enemies of rodents .... ................... 33, 85, 137 



Reithrodontomys ...... ____ ....................... . ............. 146, 148 



megalotis dycliei ......................................... 76, 107, 148 



Roberts, Jane E ..................................................... 15 



Rock Rapids, Franklin's spermophile at .............................. 38 



Rockwell City, Franklin's spermophile at ............................ 38 



Rodentia, character of ... ............................... ............. 16 



Rodents .................. ...... ........... ..... . ........ . ..... ... .141 



Rodman, prairie white-footed mouse at . . . . . . . ." ." ". .' " ." . .* ." . .' . . . . . ."'.' .... 76 



Rough-legged hawks, enemies of rodents ................ ........ 42, 137 



Ruthven, A. G .................................. ................ 74, 155 



Kuthven, Franklin's spermophile at ................. . ................ 38 



muskrat at. . . . '.". . '.'.*. . . . ".'. . ... ...... .'.. . . . ..; . .,.. . , ... . . . . . . . ' v 91 



'iSac county, beaver in . I ;.;.::: ...... . 51 



