Mast, Samuel Ottmar, 1871- · New York : J. Wiley & Sons · leaf 105
FiO. Q. Sketchct rcprcwntlnR-(he rcnctlont of an amoeba procenllnit towardtn Intenne area of llxhl the rayi of which were perpendicular to the illde. L, fieldof linht formed by fucuHlnK a lectlon of a Weltbach mantle on the tilde. l-io,luccewlve ponltlona of the amoeba a little leu than one-half…
Light · Phototropism
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