OEDEMA GROUP — CoNTixuED. 



285 



Bacillus botulinus v. Ermengem. 



Explanatory. Isolated by v. Ermengem from ham which had 

 caused meat poisoning. Believed to be the cause of meat poisoning 

 characterized by nervous symptoms of central origin, botulism. 



References, v. Ermengem, Z. f. H., 1898, 26, 1 ; C. 297 ; K. & 

 W. II, 671 ; L. & N. 337 ; Mig. 616 ; M. & R. 398. 



Morphological characters: 



Sketches. 



1. Form and aeranoement: 

 u. Bouillon 



6. Agar.. 



c. Gelatin. 



d. Other media.. 



2. Size : 



3. Staining powers: , 



u. Aqueous gentian- violet. . . 



b. Loeffler's methyleu-blue. 



c. Gram's stain 



d. Special stains..... 



i. MOTILITT: 



a. Character of movement.., 

 6. Flagella stain 



5. Spokes: 



6. Special characters: 



u,. Capsules 



6. Involution forms 



0. Deposits or vacuoles.. 

 d. Pleomorphism. 



