900 



NORTH AMERICAN INDEX FOSSILS. 



reinwardti, Troostocrinus, m, II 478 

 relatus, Corymbites, m, II 447 

 relictus, Hydrochus, m, II 447 

 remex, Strophostylus, m, I 678 

 remipes, Eurypterus, m, II 408 

 remnicha, Plectorthis, f, I 252 

 remondii, 



Ancyloceras, n, II 199 



Stoliczkaia, f, II 192 

 remota, Straparollina, f, I 654 

 remotiseptum, Actinoceras, n, II 115 

 repens, Vinella, f, I 118 

 requietus, Osmylus, m, II 451 

 resupinoides, Schizophoria, f, I 269 

 resurrectus, Parattus, m, II 416 

 retensa, Linyphia, £, II 416 

 reticularis, Atrypa, f, I 310 

 reticulatus, a, um, 



Cactocrinus, m, II 526 



Dictyonella, f, I 210 



Diplothecanthus, II 590 



Eurychilina, £, II 348 



Phylloporina, f, I 141 



Scenella, f, I 608 

 retifera, 



Halliella, f, II 347 



Lima, f, I 509 

 retiformis, is, e, 



Dictyonema, n, I 25 



Syringopora, f, I 82 

 retrorsus, Cyrtolites, m, I 610 

 retrostriata, Buchiola, f, I 393 

 retusa, Scenella, f, I 608 

 revelata, Sciomyza, f, II 455 

 reventus, Anthonomus, m, II 446 

 reversa, Strophonella, f, I 222 

 rhombeus, Schizodus, m, I 482 

 rhomboidalis, 



Entomis, f, II 363 



Leptsena, f, I 226 

 rhynchostoma, Manticoceras, n, II 136 

 richardsoni, Pyropsis, f, I 765 

 richmondensis, Salpingostoma, n, I 614 

 rigefactus, Myas, m, II 448 

 rigidus, a, um, 



Pecten, m, I 507 



Syncyclonema, n, I 507 

 rimulata, Membranipora, f, I 170 

 ripleyana, Meretrix, f, I 564 

 robbi, Ptychoparia, f, II 276 

 robustus, a, um, 



Aclisina, f, I 695 



Anthracothremma, n, II 433 



Barbarofusus, m, I 777 



Bythocypris, f, II 365 



Calcisphaera, f, I 11 



Cladopora, f, I 94 



Clionites, m, II 159 



Cyathophyllum, n, I 66 



Cytherellina, f, II 365 



Eurypterus, m, II 408 



Heilprinia, f, I 777 



robustus, a, um, 



Helicotoma, f, I 659 



Loxonema, n, I 692 



Nereites, m, II 245 



Panenka, f, I 391 



Scytalocrinus, m, II 510 



Symbathocrinus, m, II 500 



Traskites, m, II 159 

 rockymontanus, Spirifer, m, I 337 

 roemeri, 



Cladopora, f, I 94 



Melocrinus, m, II 556 



Pecten, m, I 497 



Vola, f, I 497 

 rogersi, 



Leptodesma, n, I 426 



Mortonia, f, II 593 

 roissyi, Cliothyris, f, I 354 

 romingeri, 



Cransena, f, I 302 



Dielasma, n, I 302 



Gypidula, f, I 279 



Sphaerexochus, m, II 321 

 roosevelti, Pseudoniscus, m, II 403 

 rosaceus, a, um, 



Clypeaster, m, II 590 



Echinanthns, n, II 590 

 rostellata, Leda, f, I 401 

 rostratus, a, um, 



Anchura, f, I 751 



Calymene, f, II 315 



CEnonites, m, II 242 

 rotalia, Trepospira, f, I 648 

 rotatorius, Aganides, m, II 139 

 rotelliformis, is, e, 



Beyrichites, m, II 154 



Meekoceras, n, II i54 

 rotuloides, Palseocyclus, m, I 65 

 rotulus, 



Anomphalus, m, I 671 



Spirorbis, m, II 237 

 rotundatus, a, um, 



Architarbus, n, II 415 



Bathyuriscus, m, II 288 



Vanuxemia, f, I 414 

 rotundus, a, um, 



Dizygocrimus, m, II 542 



Holopea, f, I 676 

 rowi, Proetus, m, II 301 

 rudis, 



Parolamia, f, II 447 



Ptomatis, f, I 625 



Straparollus, m, I 654 

 rufus, 



Chicoreus, m, I 785 



Murex, m, I 785 

 rugatus, 



Fulgurofusus, m, I 775 



Volutilithes, m, I 791 

 rugosus, a, um, 



Acervularia, f, I 68 



Atrypa, f, I 310 



