5Q2 



ILLUSTRATIONS OF THE 



it appears, that a folid of an irregular figure, and 

 of irregular denfity, provided it be in part co- 



" vered 



Let us conceive, for inllance, that the earth is at reft, 



matter 



ocean every where of equal depth, for example, of one 



m 



motion be communicated to 



it fo that it iliall revolve on Its axis in tvventj-foiir hours, 

 in confequence of the centrifugal force, the water circum- 

 fufed about the fphere will immediatelj rife up under the 

 ^nnatnr. and will become part of a fpheroidal furface, (not 



fo) 



577 



umulat 



mile 



ii. 



m 



and extending about 37° on each 

 The remainde'r of the furface will 



rounding th 



iide of the ec^ 



be left dry, forming two vaft circumpolar continents 



on.everj fide of the poles, and that ar 

 middle more than four miles above the 



53 



O 



i 



level of the fea. 



Such would be the ftate of our globe, on the hypothe 



fis above laid down ; and, if there were no wafte or de 

 llru£lion of the land, this order 



of 



manen 



could ever acquire any other figure than that which has 



the fame laws be fuppofed 



been defcribed.. But, if 



atmofuhere in thofe circum 



fiances, that do adually regulate it according to the pre 



from 



furface of 



fea, would be carried by 



over 



re 

 qu 



0V£ 



pit: 

 be 



riv 



int( 



op« 

 wo 



a 



1 



me 



are 



wa 

 tor 



fac 



tic 



at 



air 



fa 



( 



th 



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