80 SUMMARY OF CURRENT RESEARCHES RELATING TO 



butter into the peritoneal sac of guinea-pigs and rabbits. A plastic 

 peritonitis resulted which would ultimately fibrify or degenerate. The 

 bacteria which were included in the exudation might continue to grow, and 

 then their increaso appeared to give rise to a proliferative tissue reaction, 

 whereby nodules were produced. These nodules either fibrosed or 

 caseated. The virus did not become generalised, and was confined to the 

 peritoneal sac. 



iEtiology of Dysentery.* — Prof. Escherich confirms the occurrence 

 of the serum reaction in cases of dysentery noted by Shiga,"]" and is 

 inclined to think that Bacillus coli communis is the probable cause of the 

 disease. 



* Centralbl. Balrt., l te Abt., xxvi. (1S99) pp. 385-9. 

 t Cf. this Journal, 1899, p. 72. 



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