27 DECEMBER 1890, Page 26

The Birth and Growth of Worlds. By A. H. Green,

M.A. (S.P.C.K.)—Professor Green begins by an interesting account of Dr. Thomas Burnet's " Sacred Theory of the Earth," and of other cosmical speculations of the pre-scientific era; and he then pro- ceeds to state the "nebular hypothesis," the supposed nature of the substance for which Mr. Crookes has suggested the name of " protyle," and generally to state the theory of the development of worlds at which science, as at present advised, has arrived.