540 



IMBEDDINa OF OEGANIC EEMAINS. 



[Ch. XL VI 



L 



W 



hj aquatic beasts of prey, or of subsiding into some spots 

 wliither no sediment is conveyed, and, consequently, where 



them 



■As the bones of 



Mammiferoiis remains in marine strata.- 

 mammalia are often so abundantly preseivt^u m peai3, ana 

 such lakes as have just been described, the encroachments of 



must 



may be carried aAvaj by tides 



and 



■ currents, and entombed in submarine formations. Some of 

 the smaller quadrupeds, also, which burrow in the ground, 

 as well as reptiles and every species of plant, are liable to be 



1 ^ « I I ^ ^ 



must 



overlooked, although probably of comparatively small im- 



numerous agents whereby terrestrial 



amongst 



organic remains are included in submarine strata. 



During the great earthquake of Conception in 1835, some 

 cattle, which were standing on the steep sides of the island 

 of Quiriquina, were rolled by the shock into the sea, while 

 on a low island at the head of the Bay of Conception seventy 

 animals were washed oif by a great wave and drowned.^ 



* Darwin's Journal, p. 372, 2nd ed. 1845,, p. 304 



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f 



■-I 





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