62 BULIMUS §. iO. 



perante. — Long. 26, diani. H raill. Ap. 13 mill. longa , intus 

 7 lata. (Spec.) 

 Bulinus mutahilis Sow. Conch. lU. f. 1 5. 



— — Sow. ZooL of Beech. voy. t. 38. f. 20. 

 Bulimus varians Kiist. p. 41. t. 13. f. 3. 4. 



Habitat in Peru (Cuming), Trujillo (Orb.). 



Obs. Species forma pervariabilis, sed sculptura constans. 



L56. B. mutabilis Broderip. 7(//J/(i?{V'|f^^f^i', 



T. umbilicata, oblongo-conica, tenuiuscula, seriatim granu- 

 lato-exasperata, fusco et albido strigatim variegata; spira conica, 

 acutiuscula; anfr. 6 convexiusculi, ultiraus spira vix brevior; um- 

 bilicus mediocris, non pervius; cohuiiella subrecta, subinflata, 

 albida vel pallide fulvescens; apertura ovalis; perist. acutum, late 

 expansum, marginibus conniventibus, columellari fornicato, pa- 

 tente. — Long. 28, diam. 13 mill. Ap. intus 13 mill. longa, medio 

 7^2 lata. (CoIL Nr. 85.) 



Bulinus mutabilis Brod. in Proc Zool. Soc. 1832. p. 108. 



— — Milll. synops. p. 23. 

 Buliminus mutabilis Beck ind. p. 69. N. 9. 



/$. Sordide albidus, fasciis variis rufescenti-fuscis, latioribus vel an- 



gustioribus ornatus. 

 )'. Anfractibus convexis, spira elongatiore, paulo graciliore. — Long. 



31, diam. 13 mill. Ap. intus 14 mill. longa, medio 7^2 lata. (Spec.) 



Bulinus mutabilis Sow. Conch. 111. f 1 5 *. 

 Habitat in Peru, Truxillo (Cuming). 



157. B. bivittatus Sowerby. jJ^, 



T. ovato-pyramidata , albida; anfr. 8 convexi, ultimus antice 

 zonis 2, mox evanescentibus, fuscis ornatus; perist. album, late 

 expansum, deorsum dilatatum. — Long. 29, diam. 12 mill. (ex ic.) 



Bulinus bivittatus Sow. Conch, 111. f. 46. 



Bulimulus bivittatus Beck ind. p. 65. N. 21. 

 Habitat in Brasilia. 



158. B. lacticolor Sowcrby. +/////, JJi! i-/S.^hi2o. 



////. WiV^-<^<^^^ 



T. ovato-pyramidata, lactea, striis transversis confertis et 

 obliquis rarioribus subdecussata ; anfr. 6 convexiusculi; ultimus 

 spiram aequans; perist. albuni, undique expansum. — Long. 26, 

 diam. 14 mill. (ex io.) 



Bulinus lacticolor Sow. Conch. 111. f. 48. 

 Habitat . . . ? 



