94 



at the tip, often marked with two rows of purphsh 

 brown spots : spire composed of five rounded vo- 

 lutions, marked with numerous close-set raised 

 spiral striae and finer longitudinal ones between 

 them ; aperture round with a small angle at top, 

 and an umbilicus behind the pillar : operculum 

 hard and horny, marked with a single depressed 

 spiral line, from which some very fine striae radiate 

 towards the circumference. 



In hedges and under stones. 



76. Cyclostoma productum. Shell oblong-conic 

 with raised spiral striae ; and the peritreme de- 

 tached all round. 



Cyclostoma sulcatum. Drop. p. 33. t. 13. f. 1 ? 



Shell three quarters of an inch long, and a little more 

 than half an inch broad, with six volutions, the 

 three smaller ones of which are nearly smooth : 

 colour pale straw-yellow. From the last species 

 it differs in the following particulars: — 1. it is 

 much more elongated in proportion to its breadth : 

 2. the spiral striae are much stronger, more remote, 

 and fewer in number, being only twenty-two on the 

 larger volution, whereas in the C. elegans there 



