EXPERIMENT STATION REPORTS. 



161 



Hyperimmune No. 323 was bled from tail 3 times, then bled to death 

 from carotid artery, 2700 cc. being secured and tested as follows : 



Check pig died within 10 days from inoculation. Cholera lesions. 



Immune pig No. 2G7, wt. 135 lbs., was hyperimmunized by the quick 

 subcutaneous method, by injecting 10 cc. per lb. of body wt. of 4 hr. 30 

 cc. virus NaCl solution from virus pig No. 284. 



Autopsy of vinis pig No. 284 : Numerous petechiae on kidneys. Cor- 

 tex of lymph glands hemorrhagic. Spleen enlarged and hemorrhagic. 

 Lungs very hemorrhagic. Liver and heart normal. Intestines normal. 



Hyper. No. 267 was bled 4 times, including killing, 4500 cc. of serum 

 being secured, which was tested as follows: 



4 HR. 45 CC. VIRUS NaCl. 



Immune pig No. .341, wt. 110 lbs., was hyperimmunized by injecting 

 10 cc. per lb. of body wt. of 4 hr, 45 cc. virus saline solution from virus 

 pig No. 476. 



Autopsy of virus pig No. 476 : Few petechiae on kidneys. Lymph 

 glands enlarged and hemorrhagic. Lungs hemorrhagic. Spleen en- 

 larged. Intestines ulcerated. 



Hyperimmune No. 341 was bled 4 times, 3695 cc. of serum being se- 

 cured and tested as follows: 



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