HELIX §.79. 421 



/J. Minor : 



Helix fraterna Say Exped. to St. Peter's River II. 257. t. 15. f. 3, 



— — Binn. in Bost. journ. III. p. 363. t. 10. f. 2. 



— monodon Wood suppl. t. 7. f. 1 5. 

 Tridopsis fraterna Beck ind. p. 22? 



y. Minima: diani. maj. 7, rain. 6^/2 , alt. 4 mill. (Spec.) 



Helix Leaii Ward ined. 

 Habital in Anierica boreali: Ohio, etc. , nec non in Texas (Menke). 



1092. H.jCUwgfeti^-TeiaKex^A\.-.A??!C/^;_^^^^^ 



T. obtecte perforata, depressa, cornea; spira vix convexa, 

 costulato-striata ; anfr. 7 angustissimi, convexiusculi, ultimus basi 

 convexior, striatuius; apertura subverticalis, depressa, late luua- 

 ris; perist. angulatim breviter reflexum , intus albo-callosum, 

 raargine basali leviter arcuato, unidentato. — Diam. maj. 9, min. 8, 

 alt. 4 mill. (Mus. Cuming.) 



Hdix Gougeti Terv. «at. p. f9.-h 2. f; 5 — 7. 



Habitat rarissima prope Tremecen Algeriae (Terv.); prope Villa- 

 viciosa Asturiae (Mus. Cuming.). 



1093. H. spinosa (CarocoUa) Lea. 



T. obtecte perforata, lenticularis, tenuis, corneo-fusca, 

 hispida, basi convexa; spira vix elevata; anfr. 6 plani, lente ac- 

 crescentes, ultimus anlice gibbus, subdeflexus, acutissime cari- 

 natus; apertura depressa, transversa, sublinearis, dente raagno, 

 linguiformi, oblique intrante in toto pariete aperturali coarctata; 

 perist. callosum, raargine supero reflexo, basali inlrorsura incras- 

 sato, obsolete denticulato. — Diam. maj. 14, min. 13 , alt. 6 mill. 

 (Coll. Nr. 669.) 



CarocoUa spinosa Lea obs. I. p. 11 4. t. 1 5. f. 33. 



Helix spinosa Binn. in Bost. journ. III. p. 367. t. 1 1. f. 2. 



— — Chemn. ed. II. HeKx 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. 5 convexiusculi, ultimus antice gibbus, 

 angulatira deflexus; apertura irregulariter transverse lunaris, 

 rimulaeforrais , dente praelongo, laraelliformi parietis aperturalis 

 coarctata; perist. superne vix expansum, basi calio trisinuoso, 

 introrsum prominente subincrassatum. — Diam. maj. 7^2, min. 7, 

 alt. 4%miII. (Coll. Nr. 670.) 



Helix hirsuta Say in Philad. journ. I. p. 17. IL p. 161. 



— — (Helicodonta) Fer. pr. 101. Hist. t. 50 A. f. 1. 



