198 BULIMUS §.31. 



Buliminm cactofum Beck ind. p. 70. N. 19. 



Uabilat in Peruvia: prope Arica (Hennah), iii provincia Tacuaensi 

 (Orb.). 



Obs. Raiius anfractus ullimus spira brevior est. 



537. B. bicolor Sowerby. 



T. perforata, obiongo-acuta, solidiuscula, iongitudinaliter 

 slriata, pallida, fasciis lalis fuscis, interruptis ornata; spira conica, 

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

 conicam aequans; columella subrecta, paulo recedens; apertura 

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

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

 Ap. Iiy^ mill. longa, 6 lata. (Coll. Nr. 294.) 



Bulinus bicolor Sow. in Proc. Zool. Soc. 183 4. p. 141. 



— — MiilL synops. p. 31. 



Bulimus bicolor Phil. Icon. II. 12. p. 113. Bul. t. 4. f. 8. 

 Ilabitat in Pei^uvia ; in provincia Xagua legit Matthews. 



53S. B. helena (Helix) Quoy. 



T. perforata, ovato-conica, tenuiuscula, striis elevatis longi- 

 tudinalibus et transversis confertis reticulata, lutescenti-fusca; 

 spira scalaris, apice obtusa; sutura profunde impressa; anfr. 6 

 convexiusculi, ultimus spiram subaequans; apertura ovalis; perist. 

 simplex, rectum, margine dextro superne sinuoso, columellari 

 a basi late reflexo, albo. — Long. 24, diam. 1 1 mill. Ap. 11 /2 mill. 

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



Helix helena Quoy et Gaim. Astrol. II. p. 11 1. t. 9. f. 8. 9. 



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

 Habitat in insula St. Helena. 



539. B. pruinosus Sowerby. 



T. aperte umbilicata, oblongo-acuta, laevigata, tenuis, cornea. 

 maculis et strigis opacis, albis variegata; spiraconica, acutius- 

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

 perist. simplex, 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. 



— — Miill. synops. p. 25. 

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



Habitat in montibus prope Cobija Peruviae (Cuming). 



aut rosea violaceo-tincta , lineolis purpureis longiludinaliter ornata; spira suh- 

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

 rosea: columelia recla , acula ; labro tenui. — Long. 25, lat, l^mill. ^Orb. I. c.) 



