Antediluvian Zoology and Botany. 283 
Indian and American Oceans, the Atlantic, the Red Sea, the 
Persian Gulf, and the coasts of Africa and Jamaica. 
The fresh-water formation of the Isle of Wight contains a 
species of Phasianélla, whose recent analogue inhabits the 
shores of islands in the neighbourhood of New Holland. 
Another fossil (Mya gregaria), from the same place, is similar 
to a fresh-water shell now inhabiting the Rio de la Plata; and 
the Potamides of the same beds are found recent in the fresh- 
waters of the Islands of Bourbon, Guadaloupe, Madagascar, 
and the river Congo. Another, resembling the Voluta Lam- 
bértz of the crag, occurs as a rare shell on the shores of the 
Fejee Islands in the South Seas. (Sowerby) 
The circumstances under which the testaceous remains 
were accumulated, in different formations, are various. ‘They 
appear to have been subjected to the tumultuous action of 
water, in the great oolite, where they commonly occur in a 
comminuted state, and in the coral rag they consist chiefly of 
fragments. In some of the formations they were evidently 
deposited by tranquil waters, and have remained without 
disturbance. ‘This is apparent in the chalk, the London clay, 
and, indeed, in almost all the clay strata. London clay is 
decidedly the most rich in beautifully preserved fossils; the 
crag, the fresh-water strata, and the upper green ead are 
almost equally prolific. * 
Mr. G. B. Sowerby, in an article in the Annals of Philo- 
sophy, October, 1821, points out the means of distinguishing 
between fossil fresh-water and marine shells, independently of 
their animal inhabitants. Our Magazine (Vol. I. p.425. to 
428.) contains several plates of recent fresh-water shells. 
Of all the genera of fossil shells, Terebratulae and Am- 
monites have the widest range, and possess the greatest num- 
ber of individuals. ‘The Geological Society of London pos- 
sess a series of Ammonites from India, which are objects of 
adoration or worship among the Hindoos. They are found 
on the south-west side of the Himalah mountains, and fall 
from a height beyond the reach of man, and above the limit 
of perpetual snow. ‘They are only thus obtained by the 
natives, and then are religiously preserved ; so that Europeans 
seldom know of them, on account of the Ammonites being 
carefully concealed from their knowledge. There are pro- 
bably more than one species of sacred Ammonites in this 
collection. 
Belemnites are included in the foregoing list of multilocular 
* See in Mr. J. Phillips’s Geology of Yorkshire, his notes on the conserva- 
tion and distribution of organic remains. 
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