The mechanistic conception of life : biological essays (1912)
Loeb, Jacques, 1859-1924 · Chicago, Ill. : University of Chicago Press · leaf 20
Fig. 5 Figs. 3, 4, and 5.—Segmentation of the sea-urchin egg, resulting in theformation of two cells (Fig. 5). The changes from Fig. 3 to Fig. 5 occur in aboutone minute or less time. This segmentation occurs after fertilization or after thechemical treatment of the egg described in the text. … Fig. 6
