418 SOME FOUR-FOOTED PESTS OF THE FARM 



Girdled Trees. Many a valuable tree, girdled by rabbits or 

 mice, has been saved by bridge-grafting (Fig. 403) a process 

 easily understood by any one who has done any grafting. It 

 consists in using long scions to "bridge" the portion deprived of 



FIG. 403. A tree " bridge-graf te 



(Ohio Station.) 

 to the tree. 



Note: the sciona should be closer 



its bark. The cambium or inner bark of the scion is made to come 

 in contact with the inner bark of the tree, both above and below 

 the injury. Grafting wax is used to protect the ends of the grafts 

 from the weather. Three, four, or more grafts are used on each 

 tree. 



