I 



Ch. III.] 



HOOKE. 



41 



refrigeration from igneous fusion, the other by concretion 

 from & aqueous solution.' * By the repetition of similar causes 

 (the disruption of the crust and consequent floods), alterna- 

 tions of new strata were produced until at length these causes 



mm 



more permanent state of things was established. t 



HooJce 



Works of Eobert Hooke 



M.D.,' well known as a great mathematician and natural phi- 

 losopher, appeared in 1705, containing 'A Discourse on Earth- 



Hooke 



informed 

 1688, but revised at subsequent periods.^ 

 refers to the best Italian and English authors who wrote 

 before his time on geological subjects; but there are no pas- 



im 



larged views of Steno and Lister, or of his contemporary, 



Woodward 

 groups of strata. 



His 



pliical production of that age, in regard to the causes of former 



However trivial a thing/ 



he 



doms 



says, ' a rotten shell may 



appear to some, yet these 



certain tokens of antiquity than coins or 



monuments oi nature are mor 



medals 



m 



may 



learned are now sufficiently satisfied has often been actually 

 practised/ &c. ; 



^_ _ must 



difficult to read them 



wherein such or such catastrophes and mutations have 

 harmened, yet it is not impossible.' § 



,♦ 







> 



* < Unde jam duplex origo intelligitur Mr. Conybeare's Eeport to the Brit. 



primorum corporum, una, cum ab ignis 



fusione refrigescerent, altera, cum re- Science, 1832. 



Assoc, on the Progress of Geological 



concrescerent ex solutione aquarum.' 

 f * Redeunte mox simili causa strata 



% Between the year 1688 and his 

 death, in 1703, he read several memoirs 



| xv-cw.tru.AAtc m^A oixuj.x.1. v.u.u.t?» »_>^«-«^ — , • 



subinde alia aliis imponerentur, et facies to the Royal Society, and delivered lec- 



teneri adhuc orbis ssepius novata est. 

 Donee quiescentibus causis, atque sequi- 

 libratis, consistentior emergeret rerum quakes, 

 status.' — For an able analysis of the 



tures on various subjects, relating to 

 fossil remains and the effects of earth- 



Posth. Works, Lecture, Feb. 29, 



lews of Leibnitz, in his Protogcea, see 1688. 



