298 GENERAL MICROBIOLOGY 



into this pocket. Further treatment should not be neces- 

 sary. 



3. Intramuscular. I. Plunge the needle deeply into the 

 muscles, preferably on the inside of the thigh. 



II. Inject the material slowly with steady pressure if 

 the volume is great. 



4. Intravenous. I. Inject the liquid into the ear vein 



FIG. 64. One Method of Injecting Hog-cholera Serum. (Orig.) 



of the rabbit (and other animals if possible) or jugular vein 

 where accessible. The injection should be in the direction 

 of the circulation. 



II. The femoral vein may be used where other veins 

 are not readily entered with the needle. Use general 

 anesthesia. Make an incision on the inside of the thigh 

 over the femoral space. Separate the iliacus, pectineus 

 and sartorius muscles. The femoral vein and artery are 

 laid bare. After inoculation disinfect and suture the skin. 



