The mechanistic conception of life : biological essays (1912)
Loeb, Jacques, 1859-1924 · Chicago, Ill. : University of Chicago Press · leaf 217
Fig. 55 Fig. 56 Fig. 57 Fig. 58 Figs. 55-58.—Cell-division in the egg of Strongylocentrotus purpuratuswhich leads to the formation of twins. This cell-division can be observed if theegg is put after fertilization into a neutral mixture of salts in which either KCl,or CaClj, or NaCl is lacking. In…
