XII INDEX 



Page 



Pugnoides altus 41, 45, 92, PI. 16 



swallovi 22, 92, PI. 16 



R 



Ralls Co., Cooper limestone .' 13 



geological column 46 



Grassy Creek shale 5 



map ix 



Mineola limestone 17, 20, 23 



Rensselaer, section of Mineola 20 



Rensselaeria atlantica 243 



marylandica 173, 219 



Rensselaerina medioplicata 167, 196, 197, PI. 50 



medioplicata var. latior , .• 167, 197, PI. 53, 54 



Rensselaeria ovoides 216, 219, 220, 2Jf2, PI. 64 



stewarti 169, 216, 220, 2k3, PI. 64 



Reticularia fimbriata 22, 105, PI. 16 



Rhipidomella discus 167, 18b, 185, PI. 45 



ellsworthi 167, 185, PI. 45 



emarginata 172, 215, 230, PI. 61 



melvillei 167, 185, PI. 46 



musculosa 216, 220, 230, PI. 61 



oblata 167, 18^, PI. 44, 45 



vanuxem 278 



Rhombopora missouriensis 41, 43, 70, PI. 9, 10 



subannulata 70 



Rhynconella bialveata 167, 195, PI. 50 



gregeri 35 



transversa .' 167, 195, PI. 50 



Rhynchospira attenuata 217, 2^8, PI. 65 



formosa 167, 201, PI. 52 



globosa 173 



Rhynchotrema formosum ,. 167, 192, PI. 48 



Rolla, Devonian near 276 



Rowley, R. R., acknowledgments to x 



Rubey, William, assistant x 



S 



"Saccliaroidal" sandstone and Cooper limestone 10 



Saline Co., Cooper limestone i 10 



"Sandstone, The Old Red" 26 



Savage, on Bailey limestone 166 



St. Albans beds .' 175 



St. Charles Co., Mineola limestone 17, 20 



St. Laurent formation 131 



St. Peter, relation of, to Callaway limestone '. 27, 32 



Cooper limestone 13 



Devonian 5 



Eureka shale 7 



Mineola limestone 18 



Ste. Genevieve Co., Bailey limestone in 166 



Little Saline limestone in 213 



Scenidium insigne 172 



Schizodus chemungensis 42, 44, 45, 113, PI. 27 



trigonalis : 114 



Schizophoria iowensis ." 73, 74 



multistriata 172 



propinqua 22, 23, 7 It, PI. 11 



striatula 32, 35, 36, 40, 41, 42, 43, 45, 72, 131, 13b, PL 15 



Schuchertella altirhynchus 14 



arctostriata 41, 83, PI. 15, 24 



chemungensis pectinacea 131, 137 , PI. 32 



pandora 22, 8k, 131, 138, PI. 11 



parva 84 



radiatus 172 



sp 216, 236, PI. 62 



woolworthana 172 



