ANIMAL REPRODUCTIONS. 336° 
thofe that have even made lefs progrefs, as will 
immediately be obferved. ‘The fimall horns have 
no eye at the extremity ; they do not yet appear, 
neither are the new lips of the mouth & vifible. 
This {nail I thall diftinguifh by the letter A. 
The anterior part of another fnail, drawn 23 
June, is reprefented a little magnified, fig. 6. 
Reprodu@ion is fomewhat advanced, for one of 
the fmall horns, p, feems completely regenerat- 
ed, though its fellow has not begun to protrude. 
The origin of the large horns, which have made 
very little progrefs, is feen above the fmall horn 
g,g This is a ftriking example of the varie- 
ties which occur in the reproduction of the head 
of the fnail; ome of the fmall horns is far ad- 
vanced, while the correfponding horn is {till im- 
perceptible, and the larger ones only begin- 
ning to expand. Fig. 7 is a profile of the {nail. 
The tranfparency allows the optic nerve ¢ to be 
feen proceeding from the origin of a large horn ; 
the eye is diftinct, and the lips of the new mouth 
& ate vifible. This fnail I fhall diftinguith by 
the letter B. The anterior part, as on the 2 of © 
July, is reprefented a little magnified, fig. 8, and 
the fe@tion, fig. g. The mouth 4 cannot be 
; miftaken, nor the large horns with their eyes, 
& & | 
Another fnail, which on the 23 of June feem- 
ed to have completely repaired the head, fhall be 
ike: a: defigned 
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