CONTENTS. ] 1^ 



FISHES— Continued. Pago 



Order Acanthoptai 288 



Spliyrajnidao 288 



Cladocyclus 288 



occidentalis 288 



Enchodns 289 



Shuniardi 289 



Phasganodus 289 



dirns : 289 



Older Malacopteri 291 



Silurida) 991 



XiiJhaotinus : 291 



audax . 291 



Ganoidei 292 



Pycuodus 292 



faba 292 



Hadrodus 294 



prisons 295 



Elasiiobi:axciiii 295 



Order Plagiostomi 295 



Ptychodus Mortoui 295 



occidentalis 298 



Whippleyi 300 



Acrodns :500 



humilis 300 



Galeocerdo 301 



falcatns 301 



Oxyrhina 302 



extenta 302 



Lamna s. Oxy rbiua 303 



Otodus 305 



divaricatus 305 



Order Holocephali 306 



.Edaphodon 306 



mirificus 306 



Eumylodus 309 



laqneatns 309 



NOTICE OF SOME REMAINS OF FISHES FROM THE CARBONIFEROUS FORMATION OF 



KANSAS 311 



Order Plagiostomi 31] 



Cladodus 311 



occidentalis 311 



Xystracanthus 312 



arcuatns 312 



Pctalodus 312 



alleghauiensis 312 



Asteracanthus . 313 



siderius 313 



SYNOPSIS OF THE EXTINCT VERTEBRATA DESCRIBED OR NOTICED IN THE PRESENT 



WORK : 315 



