Crepicephalus — Continued. page 



liliana Walcott, described 209 



figured pi. 29, figs. 5, 5a-c 240 



characterized 201 



compared with Crepicephalus upis 218 



formation and locality 209 



listed 203 



stratigraphic range 202 



synonymy 209 



uiagnus, characterized 201 



listed 203 . 



stratigraphic range 202 



( ?) miniscaensis Owen, referred to Ptychaspis 204 



onustus Whitfield, referred to Anomocarclla 204 



roanensis Safford, referred to unpublished species 204 



similis Safiford, referred to unpublished species 204 



tennesseenensis Safiford, referred to unpublished species 204 



texanus ( Shumard) , described 209 



figured pi. 29, fig. 7; pi. 30, figs. 1-4, 4a 240,242 



ArioHcUus tripunctatus separated from 213 



compared with Crepicephalus coria 206 



Crepicephalus texanus danace 214 



Crepicephalus texanus elongatus 212-213, 214 



Crepicephalus thoosa 214 



Crepicephalus tripunctatus 216 



Crepicephalus tumidus 217 



other species of Crepicephalus 200, 201 



Paradoxides 212 



formation and locality 213 



Weeks formation 161 



Hsted 203 



locality discussed 209-210 



measurements 212 



observations 212 



species from different localities compared 210-21 1 



synonymy 206, 209 



stratigraphic range 202 



texanus danace, new variety, described 214 



figured pi. 29, figs. 2>- 3<^ ^4® 



characterized 201 



compared with Crepicephalus texanus 214 



formation and locality 214 



Hsted ...203 



stratigraphic range 202 



texanus elongatus, new variety, described 214 



figured pi. 29, figs. 4, 4fl 240 



characterized 201 



compared with Crepicephalus texanus 212-213, 214 



formation and locality 214 



listed 203 



stratigraphic range 202 



