[[[ MOLl rSiRS OF THE l^Al.Al'MiOS SIKAKN'S. 



230. Littoiina peiiiviana l.:im. 

 Ciahipauos Islands, National MnstMui\. 



lioiuis LACUNA rmloii. 

 231. Lacuna poirecta Opr. 

 Hixtil and Hindhu^ islands, WimnuM-. 



iHMuis TECTARIUS \ ;d.>iui.'iiuos. 



232. Tectaiius lemniscatiiB riiil. 



Hmtnis Iriiniisidtiis. 

 llotxl Island. W ininn>r. 



233. Tectaiius trochoidea Cray. 

 r= //((») K.N' iroclioitJis. 



RindU>o IslaniL Wininior. 



234. Tectaiius palapagiensis SdMrus. 

 Jan fs Island, Albatross. 



Family lUSSOin.i:. 



CuMins RISSOA l^iMuouvillo. 



8ubii<>nu.< ALVANIA K'i.sso. 



235. Alvania asquisculpta C'pr. 



IntU'tati^ablo Islantl. Allxifross. 



236. Alvania reticulata I'pr 

 Indotatiti'ablo Island. AIlHitross. 



237. Alvania sp. 

 Riudloe Island, W ininun-. 



tJouus RIS90INA (~>rbi.,'ny. 

 238. Rissoina fortis V. U. Adaiua. 

 llotid Isl.uid. AUhtiross: lUndltu' Island. Wiinmov, 



239. Rissoina inca C. 15. Adams, 

 llodd Island. WinmuM-; (hilapajios Islands, National !^rnsonin. 



240. Rissoina stricta Mkc 

 Cialaitaiit»s IsKunls, National MnsiMini. 



Family (\\LYPTK\KTD.E. 

 (iiMuis MITRULARIA Scliniuaclior. 

 241. Mitrularia cepacea Urod. 

 --t'tili/plniii trptura Auot. 

 Cliatliam Island, Albatross. 



