298 



Costa Rica Miocene — Olsson 



470 



couei 84 



eucosmius 84 



timessus 84 



honensis // 276 



miocostnius // 275 



mohri 26 



ottonis 26 



quercollis .26 



tesellatus 8r 



tortilis 26 



G 



Gadila 41 



Gafrarian altutn, var. costari- 



cense jj 406 



limonense jj 188, 405 



Gastrochaena ovata. 438 



rotunda 200, 438 



Gatun stage 181, 162 



Gaza fischeri 153 



superba 153 



watsoni 154 



Genota didyraa 63 



mitrella. 63 



Gilbertia estellensis 2 13, 26 



Gly';:y(n^ri3 aviculoides 25 



canalis 2t 349 



carbasina 22 351 



castaneus 21 [89, 352 



decussatus 22 352 



Glycymeris decussatus .189 



jamaicensis ^^...194, 196, 199 

 350 



lloydsmithi 28 352 



trilobicostatus 349 



Glyphostoma d^otifera 195,190,248 



gabbi... 69 



gratula... 69 



moinica 8 248 



Graptacme. 37 



Gratelupia mactrop^is 417 



Gurabo formation 193 



Gyrineum 115 



H 



Halia americana 7 251 



Haminsea antillarum 52 



antillarum, var guadalup- 



ensis 52 



elegans 51 



guildingi 51 



petiti 52 



succinea 52 



virescens 52 



Haustator 134 



Helix depressus 141 



Heteroschisma 36 



Hydatina physis 53 



I 



Inf undibulum 145 



Isapis ebsoleta 137 



Ischnochiton limaciformis 168 



papillosus 169 



puruprascens 168 



J 



Jatninia 110 



Jantliina communis io4 



f ragilis 1 04 



globosa 104 



j anthina 104 



pallida 104 



L 



Labiosa lineata 25 189, 205, 436 



Lsevibuccinum harrisi 2 16 



IvSevicardium serratum 200 



sublineatum 200 



Laevidentalium 37 



L,amellaria rangi 151 



Lampusia 116 



Latiaxis loi 



L,atirus infundibulum //...i90, 195 

 200, 279 



