HELIX §. 79. 
421 
fi. 31inoi‘ : 
^ Helix fraterna Say Exped. to St. Peters River II. 2o7. t. i 5. f. 3. 
^ — — Binn. in Bost. journ. 111. p. 363. t. 10. f. 2. 
— monodon Wood suppi, l. 7. f. 1 5. 
Tridopsis fraterna Beck ind. p. 22? 
y. Minima; diam. maj. 7, min. Gya, ait. 4 mill. (Spcc.) 
^ Helix Leaii Ward ined. 
Habitat in America boreali: Ohio, etc. , nec non in Texas (Menke). 
1092. H. Gougeti Terver. 
T. obtecte perforata, depressa, cornea; spira vix convexa, 
costulato-striata ; anfr. 7 angustissimi, convexiusculi, ultimus basi 
convexior, striatulus; apertura sul)verticalis, depressa, late luna- 
ris; perist. angulatim breviter reflexum, intus albo- callosum, 
margine basali leviter arcuato, unidentato. — Diam. maj. 9, min. 8, 
ait. 4 mill. (Mus. Cuming.) 
Helix Gougeti Tetx. cat. p. 19. t. 2. f. 5 — 7. 
Habitat rarissima prope Trcmecen Algeriae (Terv. ); prope Villa- 
viciosa Asturiae (Mus. Cuming.). 
1093. H. spinosa (Carocolla) Lea. 
T. obtecte perforata, lenticularis, tenuis, corneo -fusca, 
hispida, basi convexa; spira vix elevata; anfr. 6 plani, lente ac- 
crescentes, ultimus antice gibbus, subdeflexus, acutissime cari- 
natus; apertura depressa, transversa, sublinearis, dente magno, 
linguiformi, oblique intrante in toto pariete aperturali coarctata; 
perist. callosum, margine supero reflexo, basali introrsum incras- 
sato, obsolete denticulato. — Diam. maj. 14, min. 13 ; ait. 6 mill. 
(Coli. Nr. 669.) 
CarocoUa spinosa Lea obs. I. p. 1 1 4. t. 1 5. f. 35. 
Helix spinosa Binn. in Bost. journ. IU. p. 367, t. 1 I, f. 2. 
— — Chemn. cd. II. Helix N. 388. t. 65. f. 13 — 17. 
Habitat in America boreali; Alabama (prope Claiborne: Lea), 
Tennessee (Binney). 
1094. H. hirsuta Say. 
T. obtecte perforata, globulosa, diaphana, rufa, undique hir- 
suta , subtus inflata ; anfr. 3 convexiusculi , ultimus antice gibbus, 
angulatim deflexus; apertura irregulariter transverse lunaris, 
rimulaeformis , dente praelongo, lamelliformi parietis aperturalis 
coarctata; perist. superne vix expansum, basi callo trisinuoso, 
introrsum prominente subincrassatum. — Diam. maj. 7 '/ 2 , min. 7, 
ait. 4%mill. (Coli. Nr, 670.) 
Helix hirsuta Say in Philad. journ. 1. p. 1 7. II. p. 161. 
— — (llelicodonta ) Fer. pr. 101. Ilist. l. 50 A. f. I. 
