— 20 — 



rogularilcr lenlcqiic crcsrcnlibns, snlnra fcrc lincari sc- 

 paratis; — nllimo dimidiam aUiluflinis non aeqnanle 

 (;ilt. ult. anf. 9 1/2. — Alt. tesl. 22-23), convexo, ad in- 

 sertionem labri breviler subas-ceiulente; — apertura vix 

 obliqua, lunata, suboblonga , ad parlem columellarem 

 recta, externe exacle convexa; — columella recla; — 

 peristomate sat fragili, aculo, undiqne lale reflexo ac ex- 

 panso; margine columellari valde dilalato, supra rimam 

 cxpanso; — marginibus tenuissimo callo junctis. — All. 

 22-23, diam. 9 millim. 



Ce Bulime,du groupe Acs Bulimus candidus, fragosus, 

 jemenensis, etc, a ele rccueilli par le colonel du Couret 

 (Uadj-abd'cI-namid-Bey), sur lcs rnines de rancicnnc ville 

 des Sabcens, pres de Mareb, en Arabie. 



27. BULIMUS DUCOURETI. 



Testa fere imperforata (pcrforntio puncliformis), clon- 

 galo-cylindrica, solida. candiila, obliquc striatula, et ad 

 circa suturam clcganlcr striaio-radiatula; — spira clon- 

 gato-cylindrica, paulalim acumiriala ct ad summum ob- 

 tuse conica ; apice laivigalo, nitido, obtuso; — anfracli- 

 bus 8 coiivcxiusculis, lenle crcsccnlibus, sutura impressa 

 separatis; — ullimo 1/3 allitudinis non aiquanle, con- 

 vcxo, ad basin rolundalo, ad inserlionem labri recto; 

 — aportura paululum obliqua, lunala, ovala, superne sat 

 angulala ; — peristomate valido, obtuso, undique incras- 

 salo; marginibus callo valido jiiniiis; — margine colu- 

 mellari reclo, collo-o, vahle dilalalo ac super pcrfora- 

 lionem rcflexo. — Alt. 10, diam. 4 millim. 



