PLATE Iv. 
AHA 
i 
\N 
78 BULLA ..... S'Millairii 92 naTica...  gibbosa 106 soLaRIUM..... brlineatum 120 TURRITELLA..... cartnata- 
* 9 PASITREA — secale Re semilonata Te eer rs a Henrict. Lied iy See lineata. 
BEES dre fc C2 = IE -. magne umbilicata ls _ . ornahan 122 CERITHIUM...-.. satin 
_lagubris -.. mamma 109. _ elegans 123 PLEUKOTOMA .. clan 
—acioulata 96 ACTEON punetanrys no ...,... Cancellatum 124... ................. Lonsdalit 
soriata Lice ee ea Lineatus - LY Tad grandaam “ . Saye 
vuleata Wiener. seas elevanis 1L2 onwrs.... ..... rotella Poe igcie oc wars wun CTOAR 
unbilicata Oe os melanellas 13 FLANARLA .. .. nifens ey ree Baumontit 
PV nos cine n- RAED (0 ae siniatus U4 TURBO......,... neaticoides it: Cee . Desnoyer sit 
Olas. _. Claibornensis WI. E pygmums SA obs Patna oe ss i co. aeninghausit 
BS NATICA.... _ striata 102 scabarnia.. planidata 1 eo eee Uneata . USD neo ee eee os PROD 
Bo. UT aie SO ee capinate Hi Yuba... .. siriata hoe ar obliqua. 
JO4 DELPHINULA.. plana ILE S nee é . alternata ik - Onitdreni. 
0 ee ee .... depressa M9. _ suleatia fi er _. Lesuourtt 
» ( rival br Dra 
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rear rea ay © Wi 
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