479 



Costa Rica Miocene — Clsson 



307 



rovala 2g 421 



rowlandi 424 



semilsevis 424 



semipapyria 2. 18 



semirotunda 2 18 



umbra 2g 205, 425 



Tenuiactaeon pertenuis 2 16 



Terebra benthalis 1S9 



var. boscasensis 7 213 



berlinerse 4 194, 211 



bipartita 4 194, 199, 207 



var. bocasensis 189 



calhoiinensis 60 



cinera 58 



concava 59 



costaricensis 4 212 



dislocata 59 



estrellana 4 212 



galvestonensis 60 



gatunensis 4... 208 



gausapata 4 210 



haitensis 4 194, 207 



jamaicensis 58 



langdoni 60 



limatula 60 



lutescens .60 



var. midiensis 4 211 



nassula 60 



petitii 59 



protexta 59 



pumbriensis 4 213 



rudis 59 



salleaiia 58 



spirifera -/ 194, 210 



subsulcifera 207 



texana 60 



vinosa 59 



wolfgangi 4 208, 209 



Teredo ringens 2 17, 25 



Tethys protea 53 



willcoxi 53 



Thais deltoidea 100 



hcemastonia 100 



var. fioriana 100 



patula 99 



Theodoxus 163 



Thracia gastunensis 187 



tristani 23 3^3 



Tonna galea 1^9 



perdix 119 



Torcula I34 



Torinia canalifera 138 



cylindrica 138 



Tornatella quercollis 26 



Toniatina ovulina 47 



coix-lacryma 206b 



Tralia denticulata 57 



minuscula 57 



myosotis 57 



pusilla 57 



triplicata 57 



Trigonostma 74 



Triphora abrupta 122 



bigemma.. 1 22 



colon 121 



cylindrella 123 



decorata 121 



hircus i22 



inf. var. ibex 122 



inflata 122 



perversa, var. nigrocincta. ..121 



torticula 122 



triserialis 121 



Triptera 44 



Triton "5 



cantrainei 117 



lacunellus 99 



parvus 88 



pulchellus 116 



showalteri 26 



simillimus 305 



Tritonidea 87 



Trivia approximans 114 



candidula 114 



