134 



INDEX. 



Page. 



Pliocene, lower, fauna of 115-118 



Pliocene, middle, fauna of 82-83, 120 



homotaxis of 82-83 



Pliocene, upper, homotaxis and fauna of 83-84 



Pliohippus 119 



simplicidens 120 



supremus 81 



Pliolophus 49 



Poatrephes 119 



paludicola 115 



Poebrotheriimi 64,111 



eximium 106 



labiatum 106 



wilsoni 106 



sp 114 



Polymastodon 100 



attenuatus 91 



fissidens 91 



selenodus 91 



taoensis 91 



Polymastodon zone, fauna of 33-34,91-92 



homotaxis of 33 



figure showing 23 



Pontien etage, homotaxis and fauna of 79-81 



Port Kennedy cave. Pa., faima of 87-88 



Post-Cretaceous, homotaxis and fauna of 33-35 



Potamotherium 80 



lacota - 116 



lycopotamicum 114 



robustum 116 



Potter Creek cave, California, fauna of 88-89 



Preptoceras 89 



Primates 33,36, 



38,40,52,56,57,59,88,92-93,95,98,100 



Proboscidea 33,69,76, 



77, 78, 80, 81, 82, 83, 86, 89, 90, 116, 119, 120 



Procamelus , 79,80,81,120 



gracilis 117 



lacustris 117 



leptognathus 117 



madisonius 117 



major 117 



minimus 117 



minor 117 



occidentalis 117 



prehensilis 117 



robustus 115,117 



Procamelus zone, fauna of 79-80,115-118 



homotaxis of 64,79 



Procynodictis vulpiceps 99 



Procyon 90 



Procyonidae 46, 64, 80, 89, 90, 112, 116, 118 



Proglires 92 



Promerycochoerus 30, 68, 69, 70, 73, 74, 75, 111, 119 



carrikeri 72,113 



chelydra 109 



grandis 113 



hatcheri 113 



hoUandi 113 



leidyi 109 



macrostegus 109 



minor 109 



montanus 115 



obliquidens 115 



superbus 109 



vantasselensis 72, 74, 113 



sp 113 



Page. 



Promerycochoerus zone, fauna of 68-69, 



73-75,106,109,112-114 



homotaxis of 23,64,68,70-71 



figures showing 64,65,67,70,72 



Pronomotherium 80,119 



altiramis 117 



laticeps 115 



Proscalops 110 



miocsenus 107 



Prosciurus 110 



ballovianus 107 



jeffersoni 103 



relictus 105 



vetustus 103 



wortmani 107 



Prosthennops 80,81,119 



crassigenis 117 



serus 117 



Protagriochoerus 103 



annectens 100 



Protapirus 68,111 



obliquidens 108 



robustus 108 



simplex 106 



(Tapiravus) validus 20,108 



Proterix 110 



loomisi 105 



Protoceras 64,74,111 



celer 109 



comptus 109 



nasutus 109 



Protoceras zone, fauna of 63,106-109 



homotaxis of 63 



figure showing 62,64,65 



Protoceratidae 120 



Protochriacus. See Loxolophus. 



Protogonodon 102 



pentacus 92 



stenognathus 92 



Protohippus 79,80,81,83,119 



castilli 117 



cumminsii 120 



fossulatus 117 



gracilis 117 



interpolatus 117 



minutus 120 



mirabiUs 117 



pachyops. 117 



parAoilus 117 



perditus 117 



pernix 117 



phlegon 120 



placidus 117 



profectus 117 



robustus 117 



simus 117 



spectans 117 



supremus 117 



Protohippus zone, fauna of 



homotaxis of 



figure showing 65,82 



Protolabis 78,120 



angustidens 115 



heterodontus 115 



longiceps 115 



montanus 117 



Protomeryx 64,70,72,73,75,120 



