TO BE PREPARED OR OBTAINED BY INSTRUCTOR 



Xlll 



BEFORE LESSON XXX. 



BEFORE LESSON XXXI. 



BEFORE LESSON XXXII. 

 BEFORE LESSON XXXIII. 



Serum of rabbit immunized against 



staphylococcus. 



Inject guinea pig with aleuronat. * 

 Serum of normal rabbit. 

 Other materials same as for three 



preceding lessons. 

 Agar slants of Staphylococcus au- 



reus. 



Sterile tubes with glass beads. 

 Hsemocytometers. 

 Methylene blue solution. 

 Wright's stain or Jenner's stain. 

 Hopkins centrifuge tube. 

 Horse serum. 

 Sheep serum. 

 Immune anti-horse serum injected 



into guinea pigs day before lesson. 

 Horse serum. 



