SEA. 



, P 



418 



rate of diminishin em 



Its power of sustaining 



and in the eea would I be ater 



nature of the relations 



continnal_cha ng e in 



- 



* olsture ' translucency, 



/ and 'l ntit y of *& 

 . ^, ni struct res both on the land 



' in * Variable 



the ia f ' 



v^ appncanon ot the term ocean 



established many facts rerardine the . 'fon ' ge ' 8T "P 1 ? 63 * have 

 and animals, which admit of no ctw ^SeStt^?' f P! 8 "* 8 



3SSS3a^?ft^w <at 



*iinj u i rffil I v ncin.-*!^!!*! al,-,.,,! :_ 



proof o 

 in 





p 



of the English Channel and OermS ^ San shtw in 

 the distnbution of shells and fish-teeth, analogies with several of ih 

 secondary rocks; while in the coral reefs of warm latitudes on Lndv 

 or pebWy shores generally, and at the mouths of great rivers w^ see 

 the production of limestone, sandstone, and clay deposits, very sTmUa, 

 to those wh!ch abound in the stratified masses of land Whoever 

 compare with attention the ripple or current mark on the s 

 i the corresponding undulations on slates and sandstones 

 ogical age, will be convinced of the identity of the causes of ew 

 imprenon.; and when he behold such surfaces in nS^owedbv 

 other deposits thousands of feet thick, will not hesitate to Idmit in 

 such cases that great depressions happened along tte man* Tof the 

 ancient sea during the formation of these R trata, folbwed by still 

 greater elevations at a later period. 



The distribution of life in the modern ocean is one of the cirenm 

 stance, .most important to know. Until very recently itl^Len "- 

 posed that below some moderate depth (moderate at least as compared 



Ifi M- ^ T-" f , the Strata) life ceases the ocean from 

 deficient light and air, and augmented pressure. 



i: ]: 



