473 



Costa Rica Miocenk 



; — Olsson 



301 



Mitra alamagrensis 188, 275 



blakeana 82 



var. coralliophila 9 273 



dariensis 9 273 



gemmata 82 



var. limonensis 191 



longa 9 195, 273 



poas 9 188, 274 



rudis 9 195, ^"74 



straminea 82 



styria 82 



swainsoni 191 



swainsoni, var. limonensis 



9 272 



wandoensis 82 



Mitromorpha pygmsea 82 



turriculata 51 



Modulus floridanus 1 29 



modulus 129 



saffordi 25 



Montacuta bicuspidata 2 20 



herberti j 21 



Mulinia lateralis, var. sauryen- 



sis J/ 438 



Muricidea hemhilli 98 



Muricidea hexagona , 98 



multangula 98 



ostrearum 98 



philippiana 98 



Murex asperrimus 96 



beaui .95 



brevifrons 96 



cabriti 95 



cellulosa 96 



cornurectus 195, 303 



fulvescens 96 



gatunensis 186 



globosa 96 



messorius 95, 190, 195, 303 



oculatus 96 



polynematicus 186 



pomum 96 



rufus 95 



Myrteea limoniana S5 200, 393 



N 



Nassa beaumontensis 91 



hotessieri ...90 



obsoleta ...90 



pleona i 12 



Nassarina bushi 89 



columbellata 88 



grayi 88 



Natica alticallosa 147 



bolus 186 



canalizonalis 186 



canrena /(5..I47, 190, 196, 

 I99> 327 



eminula 26 



fordiana 151 



guppyana 16 188, 328 



jamaicensis 146 



lactea 149 



livida T46 



limula 26 



maroccana 146 



onusta 26 



plicatella 146 



proxima 146 



pusilla 147 



reversa 26 



saffordia ? 26 



subclausa 329 



sulcata 328 



youngi 196 



youngi, var. cocleana 16 327 



Naticina lactea 149 



Neosimnia 112 



Nerita peloronta 162 



tessellata 162 



versicolor 163 



Neritina pupa 164 



reclivata 163 



showalteri 164 



sparsilineata 164 



virginea 165 



