62 BULIMUS §. 10. 



perante. — Long. 26, diam. 11 mill. Ap. 13 mill. longa . intus 

 7 lata. (Spec.) 

 Bnlinus mntabilis Sow. Conch. 111. f. 1.5. 



— — Soiv. Zool. of Beech. voy. t. .38. f. 20. 

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



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



Ohs. Species forma pervariabilis , sed sculptura constans. 



156. B. mutabilis Broderip. 



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

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

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

 bilicus mediocris, non pervius; columella subrccta, 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 

 V/2 lata. (Coll. Nr. 85.) 



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



— — Milll. synops. p. 23. 

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



/3. Sordide albidus, fasciis variis rufescenti-fuscis, latioribus vel an- 



gustioribus ornatus. 

 y. Anfraclibus 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. "^ 



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 Sotv. Conch. III. f. 46. 



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

 Habitat in Brasilia. 



15S. B. laeticolor Sowerby. -f 



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

 obliquis rarioribus subdecussata; anfr. 6 convexiusculi; ultimus 

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

 diam. 14 mill. (ex ic.) 



Bulinus lacticolor Sow. Conch. III. f. 48. 

 Habitat . . . ? 



