ACHATINA. 
159 
150.; Dillwyn^ p. 652. — Helix octona. Gmel. S. N. i. 3653. 
— Cionella Acicula. Jeffreys^ Linn, Trans, xvi. 348. — 
Bulimus (Polyphemus) Acicula. Charpent, — Helix Acicula. 
Studer,, in Coxes Travels. — - Helix (Cochlicopa) Acicula. 
Fer, Prod. 371. — Bulimus Acicula. Hartm. N, Alpina., i. 
222. — Acicula eburnea. Risso., E. M. iv. 81. — Columna 
Acicula. Jans, Cat. 4. — Styloides Acicula. Fitz. Syst. 
105. — Acicula Acicula. Beck, Ind. 79, — Polyphemus 
Acicula. Villa, Syst. 20. — Cecilioides Acicula. Beck, 122. 
(1848). — Csecilianella terrestris, C. anglica, C. Lievillii. 
B our g. Rev. and Mag. Zool. Aug. 1856, 378. — Buccinum 
longiusculum. Walker, T. M. R. f. 60. — Jaminia longius- 
cula. Brown, 111, Conch. 
Among roots of grass and under moss. Sub- 
terraneous. 
Animal pellucid wliite^ granulately striated ; ten- 
tacula retractile, cylindrical, upper pair longest, gra« 
nular, not thickened at the top, smooth, convexly 
truncated, without any black spot (eyes) ; lower pair 
opposite the angles of the mouth ; foot compressed, 
pointed behind ; breathing-hole large, rounded, in 
the middle of the outer lip of the shell. 
Shell not a quarter of an inch long, taper ; aper- 
ture oval-oblong, appearing as if cut off at the base, 
giving the end of the pillar the resemblance of a 
tooth; the outer margin thin, not reflected, nor 
forming an umbilicus. 
This common species was first noticed as British 
by Mr. Boys (fig. 61.) ; and his figure 89. appears to 
represent the young shell. It is very common, six or 
eight inches deep in the ground, in Yorkshire, on the 
tops of gravel pits, and in Saxon coffins. 
The animal, from the transparency of the shell, 
may be seen to dilate and contract its respiratory 
cavity through the shell. This motion has been 
