INDEX 



49 ] 



Scotophilia 94 

 Scott, Prof. W. B. 451 

 scottii, Batrachops 457 

 sculpta, Sicyona 463 

 setispina, Drepanolejeunea 157 

 se»u'fasciatus, Crenicichla 457 

 semifasciatus, Batrachops 457 

 Serrasalmo marginatus 454 

 sexitubercular-quadritubercular stage of 



teeth 98 

 Sharks 68 



shufeldti, Carabarus 24 

 Sicyona sculpta 463 

 Silurus 49 

 Sol aster idee 130 

 Solenodon 93 

 sorbifolia, Rhus 195 



South-west Oregon, Eocene Flora of 405 

 Spalacotherium 98 

 Squalus 42 



stephanii, Scapania 160 

 Stolephorus olidus 455 

 Study of Rhus glabra, A 167 

 Styphonia 146 

 Sturgeon 68 



subacuta, Leptolejeunea 149 

 Sympetrum corrupta, compound eye of 



459. 472 



Talpa 93 

 Telacadon 103 

 tenuipes Blepharocera 467 

 tenuis, Drepanolejeunea 152 

 tessellata, Rhus 191 

 Thyopsiella 159 

 tietensis, Plecostomus 453 

 tiliaefolia, Ficus 406 

 Tinea 69 



chrysitis 48 

 Tinodon 101 

 Tittmann, O. H. 25 

 Tooth-cusp Development 91 

 Torpedo 42 



tosana, Pycnolejeunea 153 

 Trichomanes japonicum 146 

 Toxicodendron 167 



tridens, Cymbarus montezumae 20 



tridens, Cambarus 19 



Triconodon 92 



Triconodont stage of ungulate molars 98 



of complex molars 99 

 Turritella uvasana 406 

 trigon 92 

 trigonid 92 



trigonodont tooth 102 

 tritubercular-tuberculo sectorial 98 

 Tritubercular stage of ungulate molars 

 98 



of complex molars 99 

 Trout 69 

 Tumidse 145 



Ulmus californica 49 



Ungulate molars, Phyletic History of, 98 



Protodont stage of, 98 



Reptilian stage of, 98 



Triconodont stage of, 98 



Tritubercular stage of, 98 

 Uranoscopus 49 



scaber 49 

 uvasana, Turritella 406 



valenciennis, Pimelodus 452 

 valida, Rhus 185 



vallanti, Plecostomus carinatus 453 

 Venericardia planicosta 406 

 venusta, Cololejeunea 146 

 verrilli, Astropecten 121 

 verrucosa, Mylia 144 

 verrucosus, Leioscyphus 144 

 Vespertilio 94 

 vetula, Loricaria 453 



whitneyi, Aralia 405 

 wiegmanni, Cambarus 15 



cambarus (Cambarus) 15 

 williamsoni, Cambarus 10 



yoshinagai, Acrostichum 146 



zaddachi, Populus 406 

 Zahm, Prof. A. F. 436 



