170 
HELICID^. 
Mr. Forbes states that this is the Pupa ohtusa 
described by Dr. Fleming ; for he has a specimen 
which belonged to Captain Laskey^ so labelled by 
himself.” Mr. J effreys has referred it, as a synonym, 
to Pupa alpestris. 
76. 3. Vertigo pygmcEa. Pygmy Whorl Shell. — 
Shell egg-shaped, rather ventricose, bald, 
shining, reddish brown; whorls four or five; 
mouth orbicular lunate, with five teeth, one of 
which is superior and central between the lips 
of the peristome; the peristome acute, mar- 
gined externally, (t. 7. f. 83.) 
Vertigo vulgaris. Leach^ Syn. Moll. 93. — ^Pupa pygmsea. 
Drop. Tab. Moll. 57., Hist. p. 60. t. 3. f. 30, 31.; Forbes and 
Hanley., B. Moll. iv. 106. t. 130. f. 4, 5. — Vertigo pygmsea. 
Ferns. Tab. Moll. 64.; Turton., Man. ed. 1. f. 83. ; Alder., 
Mag. Zool. and Hot. ii. 112.; Moq. Tand. M. F. ii. 405. 
t. 28. f. 37 — 42. t. 29. f. 1 — 3. — Helix isthmia cylindrica. 
Gray, Med. Repos. 1821, 239. — Turbo sexdentatus jun. 
Montag. T. B. 337. — Algea vulgaris. Jeffreys, Linn. Trans. 
xvi. 359. — Vertigo quinquedentata, and V. quadridentata. 
Stnder, ScJiw. Conch. — Pupa quinquedentata, and P. pygmsea. 
Hartm. N. Alpina, i. 219. — Alsea pygmsea. Bech, Ind. 85. 
— Stomodonta pygmsea. Mermett, Moll. Pyr. 55. 
On dry barren hills, under stones. 
Animal blackish grey ; tentacles very short ; 
labial lobes very long ; jaw slender, with a very 
slight central prominence. 
Shell a line long, dark brown, semitransparent; 
spire composed of five rounded and nearly smooth 
volutions ; aperture somewhat triangular, with usu- 
ally five teeth, two on each lip, and a central one 
on the upper part; peristome thin, whitish when 
the shell is perfect, slightly refiected and forming an 
