[Illustration: Fig. 1.--Conidia and Hyphæ from Culture in Experimental
Ketchup Containing One-sixteenth of One Per Cent of Sodium Benzoate (X
325).]
[Illustration: Fig. 2.--Conidia and Hyphæ from Cultures in Experimental
Ketchup Containing One-tenth of One Per Cent of Sodium Benzoate (X
325).]