Journal of bacteriology . e of fresh beef, and eliminating its inconvenience and variability. Always on the shelf, easy to handle, weigh, and extract. P A r^nrO \7T? at ^ desiccated lean veal, convenient, economical-L^V>( 1 Wl^r\.V>( 1 v/kJX^ sugars, ashless, no traces of starch, pro-teid, alcohol, or heavy metals, and completely soluble. A dependable productfor bacteriologists. RAr^TTO OYr^AT T ^ ^^^^ ^^^^ powder, manufactured so as toi3r\V4 1 \J\JI\.\Ji\Lj±j preserve the essential properties of fluidbile, and proved against known strains. Widely employed in the presumptivetest for B. c


Journal of bacteriology . e of fresh beef, and eliminating its inconvenience and variability. Always on the shelf, easy to handle, weigh, and extract. P A r^nrO \7T? at ^ desiccated lean veal, convenient, economical-L^V>( 1 Wl^r\.V>( 1 v/kJX^ sugars, ashless, no traces of starch, pro-teid, alcohol, or heavy metals, and completely soluble. A dependable productfor bacteriologists. RAr^TTO OYr^AT T ^ ^^^^ ^^^^ powder, manufactured so as toi3r\V4 1 \J\JI\.\Ji\Lj±j preserve the essential properties of fluidbile, and proved against known strains. Widely employed in the presumptivetest for B. coli, on account of its convenience and reliability. Our Research Laboratories are Constantly Working on the Problems of Proteid Chemistry, Biochemistry, and the Metabolism of Micro-organisms Requests for Samples and Literature Promptly Answered Digestive Ferments Co., Sicifl^u^:. ONE OUNCL |i> HFIED PYROXn III ;SHREDS IMMERSED IN WTtB t illllW;, .- ,,. .,.<i»lW«*S P«f*ut,.„ CELLOIOIN .--, c<»«:„i ipStOlREiN ACOOL DARKPL^f-If^LlillHCKRODT CHEMICAL W*!


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