578 SPIRAXIS §. 4. 



ginala; anfr. by^ convexiusculi, ultimus ^/3 longitudinis fere 

 formans, basi attenualus; columella subcallosa, leviter torta, 

 basi subtruncata; apertura verticalis, angusta, acuminato-oblonga; 

 perist. simplex, niargine dextro anlrorsum arcuato. — Long. 14, 

 diam. 6 niill. Ap. 9 mill. longa, medio 2 lata. (Mus. Cuming.) 

 Spiraxis siibcallosa Pfr. in Proc. Zool. Soc. 1855. p. 99. 

 — — (Streptostyla) Pfr. Vers. p. 167. 



Habitat in Venezuela. 



46. ventricosula Mor. ^ (Streptostyla Pfr. Vers. 



p. 167. — Glandina venlricosula Mor. — Strep- 



tostyla Ad. Gen. p. 109.) Mon.III. p. 475. 



47. Dysoni Pfr. (Streptostyla Pfr. Vers. p. 167. — 



— Achatina Dpsoni Pfr. Mon. II. p. 270. — Rv. 

 n. 99. t. 19. — Glandina Dys. [Streptostyla] Ad. 

 r,en. p. 109.) - - - 476. 



48. flavescens Shuttl. (Diagn. Nr. 2. p. 26. — Strep- 



tostyla Pfr. Vers. p. 167. — Glandina flav. [Strep- 



tostyla] Ad. Gcn. p. 109.) - - - 476. 



49. lymneiformis Shuttl. ( Coll. 1 9. — Shuttl. Diagn. 



Nr. 2. p. 26. — Streplostyla Pfr. Vers. p. 167. — 



Glandina lymn. [ Strcptostyla] Ad. Gen. p. 109.) - - -476. 



50. Sp. auriculacea Pfr. 



T. fusiformi-oblonga, tenera, laevigata, pellucida, nitida, 

 rubollo-cornea ; spira elongato-conica, obtusula; sutura margi- 

 nata; anfr. 7 convexiusculi, ultimus spira vix longior, infra 

 medium dilatatus; lamina columellaris parum torta, alba, filaris, 

 minime truncata; apertura sinuato-semiovalis, intus leviter mar- 

 garitacea; perist. simplex, margine dextro medio fere angulatim 

 producto. — Long. 16, diam. 6 mill. Ap. 9 mill. longa, 3 lata. 

 (IVIus. Cuining.) 



Spiraxis auriculacea Pfr. in Proc. Zool. Soc. 1856. p. 320. 

 — — Pfr. Novit. conch. L p. 103. n. 177. t. 29. 



f. 5. 6. 

 Habitat Cordova Status Veracruz (Salle). 



5L Sp. biconica Pfr. 



T. subfusiformis , utrinque conico-attenuata, solidula, lae- 

 vigata, nitida, pallide rubenti-cornea; spira conica, acutiuscula; 

 sutura marginata, anfr. 7 vix convexiusculi, ultimus spiram 

 paullo superans, basi valdc attenuatus; lamina columellaris 

 callosa, torta, non truncata; apcrtura subverticalis, angustissima, 

 acuminato-oblonga; perist. smiplex, margine dextro valde an- 

 trorsum arcuato. — Long. 13^2, diam. 6 mill. Ap. 8 mill. longa, 

 1^3 lata. (Mus. Cuming.) 



