Eight lectures on the signs of life from their electrical aspect eightlecturesons00wall Year: 1903 10 30 sees. . •002— •OOI - [ I 1 t I o 10 20 jo sees. FlG. 28.—Frog. Nerve-skin preparation. Galvanometric records of the lost time of the response to indirect excitation by tetanisation of the sciatic nerve. Lost time — 2 to 3 sees. Lost time of the galvanometer itself = I sec. relation to that given in the text will be easily traced if it be remembered that there all outgoing effects read upwards and all ingoing effects down- wards. Outgoing- * I 'Exceptional;1 Ingoing FIG. 29.

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