198 BULIMUS §. 31. 



Buliminus cactorum Beck ind. p. 70. N. ^9. 

 Habitat in Peruvia: prope Arica (Hennah), in provincia Tacuaensi 

 (Orb.). 



Obs. Rarius anfractus ullimus spira brevior est. 



537. B. bicolor So'werhY.///.A'//^.Af/.^y^/^9. 



T. perforata, oblongo-acuta, solidiuscula, longitudinaliter 

 striata, pallida, fasciis latis fuscis, interruptis ornata; spira conica, 

 acutiuscula, apice nigricans; anfr. 5 subplanulati, ultimus spiram 

 conicam aequans; columella subrecta, paulo recedens; apertura 

 oblongo-ovalis; perist. simplex, rectum, acutum. margine colu- 

 mellari dilatato, plane reflexiusculo. — Long. 22, diam. 10 mill. 

 Ap. ir/2 mill. longa, 6 lata. (ColL Nr. 294.) ' 



Bulinus hicolor Sow. in Proc. ZooL Soc. 1834. p. 14i. 



— — Mull. synops. p. 31. 



Bulimus hicolor Phil. Icon. IL 12. p. 113. Bul. t. 4. f. 8. 

 Habitat in Peruvia ; in provincia Xagua legit Matthews. 



538. B. helena (Helix) Quoy. ; ;- 



T. perforata, ovato-conica, tenuiuscula, striis elevatis longrl' 

 tudinalibus et transversis confertis reticulata, lutescenti-fusca ; 

 spii^a scalaris, apice obtusa; sutura profuude impressa; anfr. 6 

 convexiusculi, ultimus spiram subaequans; aperlura ovalis; perist. 

 simplex, rectum, margiue dextro superne sinuoso, columellari 

 a basi late reflexo, albo. — Long. 24, diam. 1 i mill. Ap. 1 1 /4 mill. 

 longa, 6 lata. (Coll. Nr. 295.) 



Helix helena Quoy et Gaim. Astrol. II. p. 1 1 1. t. 9. f. 8. 9. 



Bulimus helena Lam. ed. Dh. 52. p. 245. 

 Habitat in insula St. Helena. 



539. B. pruinosus Sowerby. i' 



T. aperte umbilicata, oblongo-acuta, laevigata, tenuis, coi^n^, 

 maculis et strigis opacis, albis variegata; spira conica , acutius- 

 cula; anfr. 6 convexi, ultimus spiram subaequans; apertura ovalis; 

 perist. siraplex, acutum, margine columellari dilatato, patente. — 

 Long. 14, diam. 7 milL Ap. 7 milL longa, 4 lata. (Coll. Nr. 296.) 

 Bulinus pruinosus Sow. in Proc. Zool. Soc. 1833. p. 36. 



— — Mull. synops. p. 25, 

 Bulimulus pruinosus Beck ind. p. 68. N. 70. 



Habitat in montibus prope Cobija Peruviae (Cuming). 



aut rosea violaceo-tincta , iineolis purpureis longitudinaliter ornata; spira sub- 

 inflata; apice acuminato , roseo; anfr. 8 regularibus; apertura oblonga , recta, 

 rosea; columeila recta , acuta; labro tenui. — Long. 25, lat. 15 mill. (Orb. I. c.) 



