230 INDICE 
Mycetopus siliquosus VOLEY a iii ea 
Mysiar Loachas ica is ds il 
Myribus Linneo........... ao A SL ATA AA E 
Mytilasicanalicualatus Hal 
» darwinianus POIS Ae 
» domingensis Lana IN NN 
Myilus edultformais LO A NN 
Mytilus edulis Lv Platensis id Orbieny. 
Myrlusiecusins Man 
Mytilus falcatus d'Orbigny........o.oooo.oo..v. ies ONO 
MYtilus membranacens Malo Ou 
y len OS NN NA 
Mytilus Solisianus Orbis ON STE O RO 
Nanina Beck sprite NIN AB 
Naranio (Gray titi NN NN 
NATICA Adan oa cr 
Natica Isabelleana (Orba 
» ¿marocana DillWiicins canas aos io NN 
Nautilus Blin Ariston N 
Navicula Blainville:.o taaan ea 
Neritostoma Klm a NANO 
NUCULA' Tramarck etomidato oirlo tool istolete oo aa AN 
Nuecula¿puelcha Ordino eones NO 
Nu Humnphr ls N 
OUINEBRA Cra ea NN 
Ocinebra ¡cala Pili TN 
OULOPUS Lamarca rd NANO 
Octopus tehuelchus Daba a TA 
Deybosa Lea Sn 
» Ramos qu a TT 
Otiontocinéttus (Costa. dai taras ía [idas jo niarate ro delo tt ENS 
ODONTOSTOMUS Belk iana peon ana oe AS 0 
Odontosiomusdentatus Dn AS RNA 
Odontostomus dentatus Woods a SS 
> Kubnholtz1ands Oros NRO DAA 
Oliva'brasiliana Lamar aida 
MORAS UTERO ia Stella 
OLIVANCIELA RIA O AN 
Olmvancilama auicularia anar lea 
Olivancillaria auricularia VOrbignyii cc IN : 
» brasiliensis POSI cidas oda : 
OLIVELLA 'SWILSOM ada leN 
