GENERAL INDEX 505 



Rhynchopora beecheri Greger 232, XXIX 



R. ? cooperensis (Shumard) 235, XXX 



R. hamburgensis Weller 228, XXIX 



R. ? perryensis n. sp 239, XXV 



R. persinuata (Winchell) _. 233, XXX 



R. pustulosa (White) : 230, XXIV, XXIX 



R. ? rowleyi n. sp 237, XXX 



Rhynchospiridse 435 



Rhynchotetra, Weller 205 



Rhynchotetra caput-testudinis (White) 206, XXVII 



R. elongatum n. sp 209, XXVIII 



R. gibbosum (Greger) _ 211, XXVII 



R. missouriensis n. sp 210, XXVIII 



R. ovatum (Greger) 208, XXVII 



Rowleyella, Weller 462 



Rowleyella fabulites (Rowley) 463, LXXXII 



Ruma formation _ _ 26 



S 



Ste. Genevieve limestone ~ 21 



St. Louis limestone 20 



Salem limestone ~ 19 



Schellweinella, Thomas _ - 59 



Schellwienella alternata n. sp 66, IV 



S. burlingtonensis n. sp 67, IV 



S. chouteauensis n. sp 67, III 



S. crenulicostata n. sp _ 63, III 



S. inaequalis (Hall) 61, III 



S. inflata (White and Whitfield) 59, IV, LXXXIII 



S. planumbona n. sp 65, III 



Schizophoria, King .'.._ _ 161 



Schizophoria chouteauensis n. sp _ 163, XXIII 



S. poststriatula n. sp _ 165, XXII 



S. 'sedaliensis n. sp 164, XXI 



S. subelliptica (White and Whitfield) 162, XXIII 



S. swallovi (Hall) 167, XXII 



S. Swallovi 165 



Schuchertella, Girty 53 



Schuchertella costatula (Hall and Clarke) 57, II 



S. fernglenensis n. sp 54, III 



S. lens (White) 55, III 



S. rubra Weller 56, III 



Section at Burlington, Iowa 13 



Section at Hamburg, Illinois 14 



Section in Jefferson County, Missouri 15 



Section 3% miles northwest of Jonesboro, Illinois 15 



Section at Kinderhook, Illinois 13 



Sections at Missouri localities 14 



Section in southwestern Missouri 14 



Section at Warsaw, Illinois 18 



Selenella, Hall 243 



Selenella pediculus (Rowley) 244, XXX 



Seminula bisinuata 172 



S. buckleyi ] 460 



S. subquadrata 486 



8. trinuclea 486 



Shumardella, Weller 221 



Shumardella missouriensis (Shumard) 222, XXV 



S. obsolens (Hall) - 224, XXVI 



Sf. obsolescens 224 



' Spirif er, Sowerby 307 



Spirifer attenuatus _ _ 350 



S. bifurcatus Hall - 346, XLVII 



S. biplicatus Hall 320, XXXIX 



