INDEX OF SPECIES. 



901 



rugosus. a, uni, 



Callopora, f, I 140 



Cytherella, f, II 366 



Eridophyllum, n, I 72 



Helcionella, f, I 607 



Loxonema, n, I 695 



Palseasterina, f, II 572 



Salterella. f, II 10 



Saxicava, f, I 575 



Stenotheca, f, I 607 



Stromatocoerium, n, I 46 



Strophomena, f, I 224 



Sycotypus, m, I 769 

 rugulata, Euryzone, f, I 645 

 rupta, ^gialia, f, II 447 

 rushense, Orthoceras, n, Ix 54 

 ruspatangus, Maretia, f, II 602 

 russelli, Tyrbula, f, II 444 

 rusticus, a, um, 



Streptelasma, n, I 55 



Urosalpinx, f, I 784 



sacculus, Edriocrinus, m, II 515 

 sacya, Gaudryceras, n, II 167 

 saffordi, 



Breviarca, f, I 408 



Camarocrinus, m, II 562 



Modiola, f, I 522 

 sagenella, Glyptopora, f, I 163 

 sageriana, Camarotoechia, f, I 288 

 sagittaria, Bradyblatta, f, II 435 

 salteri, 



Hormotoma, f, I 649 



Stenaster, m, II 572 



Trochonema, n, I 671 

 sanctse-crucis. Amphitura, f, II 571 

 sancti-ludovici, 



Fenestralia, f, I 150 



Myalina, f, I 453 

 sancti-sabae, Pholadomya, f, I 529 

 sandlingerensis, Discotropites, m, 



162 

 sangamonensis, e, 



Grififithides, m, II 305 



Metacoceras, n, II 98 

 sao, Ptychopteria, f, I 450 

 sapidus, Callinectes, m, II 395 

 sappho, Camarotoechia, f, I 288 

 sarae, Platycrinus, m, 11 520 

 sarlei, Lepidocoleus, m, II 370 

 sauridens, Poterioceras, n, II 127 

 saussurei, Paralatindia, f, II 445 

 sayanus, a, um, 



Scalaria, f, I 710 



Volutilithes, m, I 791 

 sayi, Schizoblastus, m, II 485 

 scabiosa, Crania, f, I 206 

 scabra, Paranomia, f, I 511 

 scabridus, a, um, 



Aviculopecten, m, I 488 



Valvata, f, I 724 



scalariformis, is, e, 



Scalaripora, f, I 163 



Tentaculities, m, II n 

 scalaris, 



Leperditia, f, II 340 • 



Unitrypa, f, I 145 

 scalaspira, Nassa, f, I 764 

 scalatus, a, um, 



Cerithium, n, I 750 



Potamides, m, I 750 



Pyrazisinus, m, I 750 

 scamnata, Poleumita, f, I 667 

 scaphoptera, Rhinocaris, f, II 382 

 scarabeoides, Peltura, f, II 281 

 sceptrum, Dictyospongia, f, I 15 

 scitulus, a, um, 



Actinocrinus, m, II 524 



Chonetes, m, I 237 



Cylichna, f, I 8n 



Griffithides, m, II 305 



Loxonema, n, I 695 



Yoldia, f, I 403 

 scofieldi, 



Macronotella, f, II 348 



Whitella, f, I 415 

 scopuli, Sciara, f, II 455 

 scorpionis, Eusarcus, m, II 410 

 scudderi, Schizoneuroides, m, II 457 

 sculptilis, is, e, 



Barycrinus, m, II 507 



Delthyris, f, I 331 



Melania, f, I 740 



Spirifer, m, I 331 

 sculptus, Steganocrinus, m, II 529 

 scutelliformis, Aspidocrinus, m, II 569 

 secalica, Fusulina, f, I 12 

 securiformis, Pterinea, f, I 420 

 seeleyi, Tarphyceras, n, II 67 

 seelyi, Ooceras, n, II 125 

 selenurus, 

 II Dalmanites, m, II 329 



Odontocephalus, m, II 329 

 sellaeformis, Ostrea, £, I 465 

 sellai, Paratropites, m, II 162 

 sehvyniana, Puzozia, f, II 170 

 semilunata, 



Lunatia, f, I 718 



Natica, f, I 718 

 seminulum, Primitia, f, II 345 

 semiplicata, Camarotoechia, f, I 286 

 semireticulatus, Productus, m, I 246 

 senaria, Calymene, f, II 315 

 senectus, Unio, m, I 480 

 senilis, is, e, 



Delphax, m, II 457 



Heteromyza, f, II 455 

 septariana, Yoldia, f, I 402 

 septoris, Septameroceras, n, II 131 

 septus, Chironomus, m, II 455 

 sepulta, Boletina, f, II 455 

 seriata, Cladopora, f, I 93 



