— 305 — 



alba, î'oseo superne maculafa , lineis longitiidinalibus, 

 mitiutis, numerosis , irrégularité?^ interruptis , pallide 

 castaneis, zonas trtinsversas ^ saluratiores, alteram paulo 

 supra médium anfractus ultimi , alteram prope basin 

 sitam, effoî'mantibus, peculiariter pic ta ; spira parva, 

 vix turbinata, sutura irregulariter impressa ; anfr. 8 

 planiusculi, primi albidi, sequentes spiraliter striatuli, 

 ultimus magnus, paulo infra suturam obtuse angulatus, 

 mediovenlricosus, busi attenuutus, sulcato-striatus ;aper' 

 tuî'a anguste elongata, versus basin subdilatata,alba, fauce 

 rosea. — Long. 35, diam. maj. 19 mill. (Coll. E. Liénard.) 

 Habitat in insula Mauritii. (Hobillard.) 



2. Leptoconciius Robillardi. 



T. elongato-piriformis, crassiuscula, solida, lumellis 

 validis, prominulis, subarcuatis longitiidinaliter munita, 

 coslulis spiralibus , subdistantibus clathrala, unicolor, 

 alba; spira brevis, oblusa, inconspicua , callo li.mjlloso, 

 crassissimo omnino celata; anfractus ultimus supra basin 

 peculiariter carinalus, mox in caudam longam, subacu- 

 tam desinens ; apertura irregulariter ovato-piriformis, 

 antice longe canaliculnla, concolor; peristoma undique 

 lamellis incrassatum, album, margine columellari prœ- 

 longo^ profunde intrante , extus lamellas latiusculas 

 emittente. — Loîig. 27, diam. maj. 13 mill. (Coll. Lié- 

 nard.) 



Var. /3. Curta, ventricosa, subglobosa; anfractus ulti- 

 mus in caudam brevem, antice recurvam desinens. — 

 Long. 19, diam. maj. 15 mill. (Coll. K. Liénard.) 



Habitat in insula Mauritii. (Robillard.) 



E. L. 



30 



