They are of importance, since the higher homologues are identical in many cases with the ptomaines produced by the putrefactive action of some bacteria on albumen and other related substances. [Please select]
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Then, lo and behold, the Cetonia turns putrid and the Scolia dies, poisoned by the ptomaines of the decomposing game. [Please select]
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Another point to be guarded against is the supply of water that has drained from marshes or impervious soils, rich in organic matter, as such water is charged with nitrites, ptomaines, etc. [Please select]
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