Page:Narrative of a survey of the intertropical and western coasts of Australia, Volume 2.djvu/620

 (UOLOOY.] NAT'.RS L HlffFORY. the acted condition of  surface,-..th-* the phenomena juot now deribed are ucthin more than what wu to be expected frem previous inducrion. These bets, however, not only place beyond dispute the existence of such force, rebut show tlmt, even in detail, the/r. eWqte ar. eord most satisfactorily wi*h the pred/ctlon$ o*f thefT. It is. not, t.reiofe, at all ttnlneasonable to neive, tt, u other oituatimis, pbenommm of the sMe clMuMr hay, been produd by the aftme e, anae,.-,thoup,h w aay not at present be enableit to trtteo its aonnexn w/dl the istin eppearuees so dh6nctly; m4. though .the bets, wken they ocmyed, my bye been mmotki,,-or may have taken piaee at periods beyond the reach o histo- thnony. M. P/{r0n has attbut the  abu. ndance of the modern brci of New Holland to the l.ar.e proporrion )f cms matter, principally in the form of comminntod shells, whid is diffused through the siliceous sand of the .shore in that country *; and as the temperature, espe- cially of the summer, js very h/gh on that part of the coast where this rolr h0s heel priocipoJl .found, e increased s]urien of .crbontte .of lime by the percolLt/ng water, may possibly render it8 formarion more abun(tant there, than in more temperate elimates. ]ut the ..true tSeory of these con- cetionsp rander any moli(Jri0n of temperature, ip attended with considerable d//ul.t:-,-emd it is certain that the proce is;ar from bein E omed to the warmer lari- tde8. Dr. Paris has s/yen an acc)int of a modern for- marion of sand-stone on the northern coast of Cornwall ? Trent. of the ol. Soc. of Coenwoll, vol. i. p.!,
 * Pin)n, ��yae, 8c. iL p. 116.

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