152 _ Seventific Intelligence. 
garding it as deserving this prominence as being the most im-_ 
portant natural catastrophe of which there is any written record. 
Without following him in his examination of the biblical and 
other records, and of more recent phenomena in the same region 
which bear upon it, it is worth while to note his conclusion, viz 
that the Flood was an event confined to the lower Euphrates, 
consisting in an extended and devastating overflow of the Meso- 
potamian depression, the essential cause of which was a great 
earthquake in the region of the Persian Gulf or south of this, and 
that during the time of the most violent shocks a cyclone proba- 
1 — in from the Persian Gulf on t 
Ips, in which the 1¢ phenomena a are not connected with a volcano 5 
ihe of the land in connection with ‘carthquakes—8 question 
which ike author decides in the negativ 
The third chapter discusses the aed topic of co in 
the earth’s crust. The cause of these is Seagal in t vements: 
produced by the diminution in the e of the vi giving 
rise to (1) tangential and (2) radial ak of which the first 
tend to produce horizontal and the s d vertical movements. 
locations caused by tangential movement ; here numerous interest- 
ing mples are given. of the folding over of strata, as in the 
Alps; secondly, dislocations produced ‘by sinking, for an example 
of which the author turns to the structure of the Plateau region of 
Utah as described by Dutton; finally, dislocations due to t the two 
soniepele ig nts of both tangential moverent and sinkin 
of Central America, not yet a century old, together w! ith t 
like Stromboli and alades which are in joasinuotdi activity 3 to is 
the volcanoes which have frequent eruptions, as Vesuvius, Etna, 
or less frequent as Ischia, and still farther to those of whose 
eruptions history gives no certain account, but which still retain 
the cinder cone, as the Puys of Auvergne; next come volcanoes — 
which have been partially reduced to ruins, retaining meee: bares 
skeleton of the cinder cone; then those cases in which t e lateral 
intrusion or injection of acid lavas has become vse as in the — 
Henry Mountains ; and further till the rock masses of the dept ths 
are laid bare along the several lines of outbreak, or if oe anco¥ ene 
