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Scientific American, Vol. 64, No. 5 (1891) (1891)

leaf 5

An illustration from Scientific American, Vol. 64, No. 5 (1891), 1891, leaf 5
of either living or dead food ; tion it is by far the most common cause of that syiup- the retention of the ocular spot makes no difference. tom. It enters as a factor into the causation of nearly It is clear, then, that the sense of smell is not diffused all headaches not due to pyrexia, toxemia… … have the same idea as to the causation According to Dr. R. Dubois, it is con- tained in the epithelial cell of the diges- of the headaches they always experience THE COBURN TROLLEY TRACK FOR STEP LADDERS, when attending the theater or other tive tube, and the emission of the light places of public…

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