From three days' growth on + 1 agar slant at 35-37. 



From three days' growth on + 1 agar with 3 per cent glycerine at 

 35-37. 



From three days' growth on potato (unneutralized), 35-37. 



From two days' growth on + 1 agar containing 3 per cent salt 

 at 35-37. 



From the same salt agar culture after nine days' growth at 35-37 



PLATE VI 



