INTRODUCTION. 



The following brief description of methods and 

 instruments may contain some useful practical hints 

 for those whose experience in such matters is limited. 



Method of Killing and Preparing the Dog. — The 

 quickest and most merciful method of killing the dog 

 is to chloroform him. For this purpose it is only 

 necessary to have a tight box or metal can with a 

 well-fitting cover. In the bottom of this box place 

 a sponge saturated with chloroform, put in the dog 

 and close the lid. After a short time the animal 

 becomes quiet, but it should not be removed from the 

 box until all respiratory movements have ceased. For 

 convenience in dissecting the dog should then be 

 tied down upon some form of dog-holder. Perhaps 

 the simplest and most economical form, one which 

 can be readily made and answers every purpose, is 

 shown in I, Fig. i. It consists of a board about 30 

 'inches long and 12 inches wide, supported upon two 

 blocks, and having at one end a piece of bent iron , 

 rod which can be fastened into the mouth, and serves 

 to hold the head. On the sides of the board are six 

 cleats by means of which the limbs of the animal can 

 be fastened in any desired position. 



With regard to the preservation of the animal, 

 if the dogs are to be kept only a few days, or 

 even a week, the simplest and least injurious method 

 is to leave them on ice in an ice-box when they 



