298 



Costa Rica Miocene — Olsson 



470 



couei 84 



eucosmius 84 



timessus 84 



honensis // 276 



raiocosmius // 275 



mohri 26 



ottonis 26 



quercollis 26 



teseilatus 81 



tortilis 26 



G 



Gadila 41 



Gifrarla n iltutn, var. costari- 



cense J5 406 



limonense 188, 405 



Gastrochaeiia ovata 438 



rotunda 200, 438 



Gatuti stage r8i, 162 



Gaza fischeri 153 



superba 153 



watsoni 154 



Genota did3^aia 63 



mitrella 63 



Gilbertia estellensis 2 13, 26 



Glyc:yaieris a/iculoides 25 



canalis 2r. 349 



carbasina 22 351 



castaneus 21 189,352 



decussatus 22 352 



Glycymeris decussatus .189 



jamaicensis ^^...194, 196, 199 

 350 



lloydsmithi 28 352 



trilobicostatus 349 



Glyphostoma deiitifera 195,190,248 



gabbi... 69 



gratula 69 



moinica 8 248 



Graptacme 37 



Gratelupia raactropsis 417 



Gurabo formation 193 



Gyrineum 115 



H 



Halia americana 7 251 



Haminaea antillarum 52 



antillarum, var guadalup- 



ensis 52 



elegans... 51 



guildingi 51 



petit! 52 



succinea 52 



virescens 52 



Haustator 134 



Helix depressus 141 



Heteroschisma 36 



Hydatina physis 53 



I 



Infundibulum 145 



Isapis ebsoleta 137 



Ischnochiton limaciformis 168 



papillosus 169 



puruprascens 168 



J 



Jaminia : 110 



Janthina communis io4 



fragilis 104 



globosa 104 



jantiiina 104 



pallida 104 



L 



Labiosa lineata 2§ 189, 205, 436 



Lsevibuccinum harrisi 2 16 



I^aevicardium serratum 200 



sublineatum 200 



Ivaevidentalium 37 



Ivamellaria rangi 151 



Lampusia 116 



Latiaxis 10 1 



I^atirus infundibulum //...i90, 195 

 200, 279 



