Page:Bergey's manual of determinative bacteriology.djvu/659

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FAMILY XIII. BACILLACEAE
637

m. Exotoxin is produced. n. Produces hemolytic leci- thinase (gamma). 21. Clostridium novyi (Type A). nn. Produces hemolytic leci- thinase (beta). 21a. Clostridium novyi (Type B). mm. Non-toxic. 21b. Clostridium novyi (Type C). 11. Lactose, sucrose and salicin not fermented. Exotoxin (atoxic strains possible) produced which is toxic on injection and feeding. Colonies on egg yolk agar produce precipi- tation zone in regular circle and narrow luster zone following con- tour of colony, m. Adonitol fermented (TypeB). 22. Clostridium botulinum. mm. Adonitol not fermented. 22a. Clostridium botulinum (Type C). 22b. Clostridium botulinum (Type D). 22c. Clostridium botulinum (Type E). jj. Milk digested. 23. Clostridium limosum. ii. Coagulated albumin slowly to rapidly lique- fied. j. Stormy fermentation or at least active coagulation of milk; slow digestion, k. Pectin not fermented. Inulin and man- nitol fermented. 24. Clostridium acetobutylicum. kk. Pectin fermented. Inulin and mannitol not fermented. 25. Clostridium laniganii. jj. Milk slowly and softly coagulated, not stormily. Clot slowly to rapidly digested, k. Glycerol may or may not be fer- mented. 1. Glycerol and mannitol not fer- mented. Action on starch not re- corded, m. Lactose fermented. 26. Clostridium aerofoetidum. mm. Lactose not fermented. 27. Clostridium sporogenes. 11. Glycerol fermented. Mannitol not fermented. Exotoxin produced which is toxic on injection and on feeding. 28. Clostridium -parabotulinum (Types A and B).