Fig. M8. 



PLATE XXIII. 

 Fig. 150. 



Fig. M '. 



Shows th . inner in 

 which the piston of the 



r pieces of 

 leather. ; 



Bull's nose forceps for closing an open 



vessel to prevent the escape of the 



injection, p 88. 



Fig. 151. 



Dorks for stopping the pices 



while the injecting syrings is 



being refilled, p. 88. 



Fig. 



' cting small animals or portions of tissue, p. 87. 



Fig. 152. 



Can for heating size. Tt may also "be used as a "water-bath for dryirzg 

 objects, or for conducting evaporation, p. 88. 



Apparatus for performing the opera- 

 tion of injecting by the pressure of 

 the injecting fluid, p 100. 



Fig. 155. 



Fig. 156. 



Fig. 157. 



Performing the operation of injecting, p. 



Stop-cock and injecting pipe 



which fit on to the syringe. 



p. 88. 



orifice near point 

 p. 103 



Fig. 153. 



for passing thread round a . cul end of which is to be tied on an 



injecting pipe. \ 



[To face page 88. 



