217 



Interstitiis sub lente transverse striata, corneo-fulva; sutura 

 levis, vix marginata; anfr. superst. 9 — 11 vix convexi, 

 ultimus antice solutus, oblique descendens, dorso angulatus, 

 infra medium obtuse carinatus; apertura angulato-oblonga, 

 plica valida, torta columellae coarctata; perist. album, bre- 

 viter expansum. — Long. 52-56, diam. 13 mill. Ap. 11 

 mill. longa, 8^/2 lata. 



Cylindrella Boucardi Solle mss., Pfr. in Proc. Zool. 

 Soc. 1856. 



— — Pfr. in Chemn. ed. nov. nr. 39. 



t. 8. f. 1. 2. 

 Habitat prope Cordova prov. Veracruz, Mexico (Salle). 



31. C. turris Pfr. 



T. profunde subangulato - rimata , cylindraceo - turrita, 

 truncata, tenuis, confertissime subarcuato-striata, diaphana, 

 oleoso - micans , rufa vel fulvida; spira sursum valde atte- 

 nuata, magis minusve truncata; anfr. superst. 18—24 sub- 

 planulati, ultimus antice solutus, dorso et basi carinatus, 

 medio angulatus; apertura parum obliqua, rhombeo-ovalis, 

 plica levi columellae basi canaliculata ; perist. continuum, 

 album, undique expansum et reÜexiusculum. — Long. 

 68 — 72, diam. 14 mill. Ap. c. perist. fere 11 mill. longa, 

 91/2 lata. 



Cylindrella turris Pfr, in Proc. Zool. Soc. 1856. 



— — Pfr. in Chemn. ed. nov. nr. 40. 



t. 8. f. 20. 21. 

 Habitat Chiapa reipubl. mexicanae (Ghiesbreght). 



32. C. clava Pfr. 

 T. profunde arcuato-rimata , turrito-cylindracea , trun- 

 cata, tenuiuscula, confertim arcuato-striata, diaphana, parum 

 nitida, fulva; spira sursum parum attenuata, latiuscule trun- 

 cata; anfr. superst. 16 — 21 modice convexi, ultimus breviter 

 solutus, dorso et basi carinatus, latere filocarinatus ; apertura 

 rhombeo-ovalis, plica levi, profunda columellae coarctata, 



