212 BA CTEEIOLOGY. 



legs, tail, and ends of the wings in the one hand, and 

 the head and anterior portion of the body in the other, 

 leaving the area occupied by the pectoral muscles, over 

 which the inoculation is to be made, free for manipu- 

 lation. In the case of fur-bearing animals the hair over 

 the point selected for the inoculation should be closely 

 cut with scissors, and from a small area the feathers 

 should be plucked in the case of birds. 



FIG. 89. 



Kitasato's mouse-holder. 



It is at times, however, more convenient to dispense 

 with an assistant ; one of several forms of apparatus that 

 have been devised for holding mice, guinea-pigs, rats, 

 rabbits, etc., may then be used. For small animals, such 

 as mice and rats, the holder suggested by Kitasato is very 

 useful. It is simply a metal plate attached to a stand by a 

 clamped ball-and-socket joint, so that it can be fixed in 

 any position. It is provided with a spring-clip at one 

 end that holds the animal by the skin of the neck, and 



