8 3 2 



INDEX OF SPECIES. 



barrisi, Meristella, 359 

 basalticus, Favosites, 86 

 beckei, 



Leptostrophia, 215 



Stropheodonta, 215 

 beecheri, Monilopora, 81 

 bella, 



Cymella, 532 



Iphidea, 201 



Liopistha, 532 



Meristella, 356 



Neptunea, 763 



Ophileta, 657 



Tornatellaea, 806 

 bellatulum, Callonema, 692 

 bellicincta, 



Hormotoma, 650 



Murchisonia, 650 

 belliplicatus, Unio, 479 

 bellirugosa, Hebertella, 255 

 bellistriatus, a, 



Ambonychia, 430 



Camptonectes, 505 



Cypricardella, 535 



Leda, 401 



Nucula, 39s 



Pecten, 505 

 beloitensis, e, 



Eccyliopterus, 658 



Trochonema, 670 

 belviderei, 



Mesalia, 729 



Turritella, 729 

 belviderensis, Gryphaea, 469 

 beyrichi, Nucula, 396 

 biangulatus, Neritopsis, 705 

 bicincta, Lophospira, 632 

 biconicus, 



Rostellites, 792 



Volutilithes, 792 

 bicornis, Climacograptus, s 2 

 bidentata, Nassa, 764 

 bidorsata, Tetranota, 612 

 bifidus, Didymograptus, 31 

 biforata, Platystrophia, 258 

 bifurcata, Diploporaria, 151 

 bigsbyi, 



Maclurea, 664 



Tetragraptus, 29 

 bilix, 



Cyclonema, 668 



Sigaretus, 715 

 billingsi, 



Arthroclema, 153 



Billingsella, 211 



Cyrtodonta, 409 



Favosites, 87 



Protorthis, 211 



Strophomena, 223 

 bilobus, Bilobites, 259 

 binneyi, Vorticifex, 817 

 biplicatus, Leptosolen, 570 



biplicifera, um, 



Cancellaria, 798 



Trigone-stoma, 798 

 biscatenaria, 



Pleurotoma, 803 



Surcula, 803 

 biseriatus, Productus, 244 

 bispiralis, Lophospira, 636 

 bisulcata, 



Corbula, 574 



Cyclospira, 309 



Grammysia, 381 

 boiplex, 



Bittium, 747 



Styliferina, 747 

 borealis, 



Anisomyon, 813 



Duncanella, 76 



Hebertella, 254 

 bosquense, Cerithium, 748 

 bovidens, Dielasma, 303 

 bowdeni, Lophospira, 635 

 boydi, Actinopteria, 449 

 branneri, 



Glauconia, 738 



Vicarya, 738 

 brevidentata, Cassidaria, 759 

 brevifrons, Nemodon, 405 

 brevirostris, Perissolax, 767 

 brevis, 



Palaeoneilo, 400 



Soleniscus, 700 

 bridgerensis, Physa, 816 

 bryani, Ostrea, 464 

 bucculentum, Platyceras, 684 

 buelli, Salpingostoma, 614 

 bulbiformis, Amauropsis, 722 

 bulbosa, Tancredia, 554 

 bulimiformis, Bulimorpha, 699 

 bulloides, Globigerina, 10 

 burlingtonensis, 



Edmondia, 388 



Pecten, 499 



Productus, 244 



Rhipidomella, 266 

 byrnesi, Byssonychia, 431 



caduloide, 



Dentalium, 581 



Laevidentalium, 581 

 csespitosum, 



Diplophyllum, 74 



Idiostroma, 43 

 calcareformis, e, 



Hapsiphyllum, 58 



Zaphrentis, 58 

 calcifera, Syntrophia, 271 

 caliculum, 



Enterolasma, 56 



Streptelasma, 56 

 californica, 



Act«onina, 807 



