Mollusca of Great Britain. 331 
Testa subglobosa, subdiaphana, fragilissima, luteo-fusca. 
Anfractus vix 5. Apertura lunata : peristomio sim- 
plici. 
- Long. 0.225.— Diam. 0.3. 
Helix fusca. Mont. Test. Brit. p. 424. t. 13. f. 1. 
From woods in the neighbourhood of Swansea and 
Cardiff. Mr. J. S. Miller of Bristol, who has described 
this shell in the Annals of Philosophy as a new species 
(H. subrufescens), says he has not unfrequently found it in 
Somersetshire ; but it is at least a local species. 
7. Trocuirormis. 
Animal fusco-griseum, nitidissimum. Sustentaculum per- 
angustum tenue. Tentacula perlonga, valdé flexilia. 
Testa superhé conica, globosa; subtis planiuscula ; niti- 
dissima, glabra, corneo-fulva. Anfractus6. Apertura 
lunata, compressa. 
Long. 0.1 ferè.— Diam. 0.1. | 
E Helix OCHO Mont. Test. ag p. 497. APES, 9. 
—-— fulva. Drap. Hist. des Moll. p. 81. t. 7. f. 12. 
a. subfusca, diaphana. 
Not uncommon under stones at the bank df an old canal 
on Crymlin Burrows ; and on the waterflag, and under de- 
caying wood, in marshy ground, at Marino near Swansea. 
The var. a. is from Somersetshire. 
"To this species may perhaps be referred. the Trochus ter- | 
. . restris of Pennant, said to have bee found by Mr. Huc 
. on the mountains of | Cumberla ire of that 
author (which hardly e: | cription) repre- 
sents quite a different shell. "The Helix fulva of Müller is 
quite distinct, and is probably the H. edentula of „Drapa - 
naud. z 
8. Montoxi. 
