PLATE XXXIX. 

 (1) APPARATUS FOR MAKING CULTURES. (2) ALIMENTARY CANAL OP GROUSE. 



FIG. 1. 



Fir.. 2. 



Flo. 1. (1 nat. si/e) showing the glass fin me in which the crushing of the tissues was done. On the ledge are three pairs of 

 ground glass plates. One of the plates uf the pair on the left is being held up in the manner in which this was done 

 preparatory to placing a piece of tissue between the plates. 



FIG. 2. (J nat. size) showing the alimentary canal of a normal Grouse (No. 81) from the gizzard to the anus Gizzard fa). 

 duodenum, enclosing the pancreas ((,), intestine (c\ cajca (d, </), and rectum (e). 



Opposi/e p. ^7 



