The Ancient Lake of Elie. 165 
In its living state this species appears to be as widely 
distributed as the last, although it has not been recorded 
from so many localities; it is authenticated from sixteen 
counties, 
Zonites crystallinus (Miiller). 
Helix crystallina, Mill,, Verm. Hist., pt. ii., p. 28. 
Zonites crystallinus, F. and H., vol. iv., p. 41, pl. exxii., figs. 1, 2. 
Jett., op. cié., vol. 1., p. 170; vol. v., pl. x., fig. 3. 
Roebuck, op. cit., p. 459. 
) ” 
a” LP 
We observed this species in only one of the deposits 
described in this paper, viz., the Crane Peat. Zonites 
erystallinus does not appear to have been recorded for any 
of the deposits already described. 
This species, in its living state, has a distribution some- 
what similar to the previous two, and is recorded from thirty 
different counties. 
Zonites fulvus (Miiller). 
Helix fulva, Miill., Verm. Hist., pt. ii., p. 56. 
a »  . and H., vol. iv., p. 75, pl. cxviii., figs. 8, 9. 
Zonites fulvus, Jeff., op. cit., vol. i., p. 171; vol. v., pl. x., fig. 4. 
Roebuck, op. cit., p. 460. 
a? 9) 
This species occurred in all the four deposits mentioned 
in this paper, and also in the Kirkland and Elie deposits 
previously described. 
As a living species, Zonites fulvus is widely distributed in 
Scotland, and is recorded from twenty-six counties. 
Helix nemoralis (Linné). Helix, 
Linné. 
Helix nemoralis, Linn., Syst. Nat., ed. xii., p. 1247. 
F. and H., vol. iv., p. 58, pl. exv., figs. 1-4. 
re ar Jeff., op. cit., vol. i., p. 185; vol. v., pl. xi., fig. 3a. 
“ ae Roebuck, op. cit., p. 462. 
” %) 
A few specimens only of this Helix were obtained in the 
material from three of the deposits described in this paper, 
the only deposit in which it was not observed being the 
Crane Peat. This is a species that does not appear to have 
been obtained in any of the ancient lake deposits already 
