REVIEWS rot 
downward progress of water. Nothing can arrest the destruction of the 
rocky crust so long as there is rock to be broken. The entire solid crust 
of the earth must be transformed, must be rent into fragments. The water 
reaches the molten mass below and can go no farther. 
Again the phenomenal changes and the condition of the earths crust 
embarrass our powers of description, and even conception. The water hav- 
ing reached the molten mass below the fragmental crust, could go no farther. 
It had reduced the temperature of the upper surface more nearly to that of 
boiling water, while that of the molten mass below the broken crust was 
nearly forty-four hundred degrees higher. The entire mass, thirteen miles 
in depth of débris and water, is kept in violent motion by the resistless power 
of steam over the entire surface of the globe. 
On this ‘‘ true basis,” in negligence of the most obvious limitations 
of a well-recognized action, the author builds theories of elevation, 
vulcanism and stratification, and assumes that he has solved some of 
the great problems of geology. 
Those who are not well versed in what is established will read the 
book at much risk of mixing needless error with truth, while those who 
are so versed will probably find it interesting chiefly as a psychological 
study. 
The book is pervaded by an ostentatious piety of the type preva- 
lent in the last century, which is liable to produce a moral effect quite 
opposite tothat intended. True reverence is best displayed by refrain- 
ing from presuming to know the mind and purpose of the Infinite and 
by scrupulously dissociating one’s imperfect notions from all connec- 
tion with Omniscience. ECuC 
Text-Book of Paleontology, by Karu A. von ZITTEL, translated 
and edited by CuHartes R. Eastman. Vol. I, Part II, pp. 
353-700, with 883 wood-cuts. Macmillan & Co., 1899. 
After an interval of more than three years since the appearance of 
Part I, the invertebrate portion of Zittel’s Paleontology is at last brought 
to a conclusion. The plan and scope of this work was discussed at 
length in a review of Part I, which appeared in this JouRNAL for Octo- 
ber 1896; hence it is only necessary to repeat here that the English 
edition is acomposite production, much of Zittel’s text being discarded 
and replaced by original contributions from a dozen different authors, 
whose names are given on the title-page. 
