CXXXV1 



THE PALEONTOLOGY OF MINNESOTA. 



Caudal spine, 698. 

 Caularops canadensis, 1024. 



lituiformls, 1023. 

 Cephalon, 696. 



Cephalopoda, 475; chapter on, 761-812. 

 Ceratolichus, 753. 



dracon, 753. 



gryps, 753. 

 Ceratella, 657. 



chambers!, 659. 

 Ceratopsis, 675, 657, 676, 678. 



chambers!, 676, 654, 657. 

 var. robusta, 677*, 676. 



hastata, 676. 



intermedia, 676. 



oculifera, 676. 

 Cerauridas, 734. 

 Ceraurus, 738, 734, 736, 737. 



amerlcan species of, note on classification, 736. 



apollo, 738. 



glaucus, 737, 738. 



Icarus, 737, 738. 



insignis, 7S8. 



mercurius, 738. 



niagarensis, 738. 



numinitor, 737. 738. 



nuperus, 738. 



perforator, 737, 738. 



pleurexanthemus, 734, 736, 738. 



polydorus, 738. 



pompilus, 738. 



proliflcus, 737, 738. 



rarus, 738. 



robusta, 738. 



salteri, 738. 



satyrus, 737, 738. 



scofleldl, 738. 



sub-generic classification, 736. 



tarquinius, 738. 



trentonensis, 738. 

 Cerithidffi, 947. 

 Cephalopoda, 475. 

 Cha^nocardia, 485. 

 Chipnocardiida;, 485. 

 Chasnodomus, 628. 



typicalis, 477*. 

 Chainomya, 487. 

 Chasmops, 732-734. 



troosti, 732, 734. 

 Cheeks of trilobites, 697. 

 Cheirurus, 736. 

 Chelotia, 949, 960. 

 Cimitaria, 619, 487. 

 Classification, of Gastropoda, 817; of Lamelli- 



branchiata, 484; of Paleozoic Ostracoda, 631. 

 Clathrospira, 1005, 954, 957, 1001, 1006, 1007. 



conica, 1OO8, 1007. 



convexa, 1OO7. 



subconica, 1OO6, 1007, 1008. 

 Clavicle, 480. 

 Cleidophoms major, 611. 



Clidophorus, 606, 486, 478, 479*, 480, 483, 582, 612, 

 628, 847. 



consuetus, OOO. 



cuneatus, 607. 



fabula, 608, 607. 



elliptlcus, 607. 



elongatus, 607. 



major, (ill. 



neglectus, 6O7. 



planulatus, 607. 

 Clinoceras, 797, 764, 778, 804. 



dons, 797. 



mumiajforme, 797,812. 

 Clinopistha, 478, 486. 

 Clionychia, 493, 483, 485, 490, 491, 494, 495, 498. 



erecta, 496, 497. 



lamellosa, 494, 495-497. 



nitida, 495, 496. 



rhomboidea, 496. 



undata, 497, 491. 

 Clisiospira, 816. 

 Ccelocaulus, 1019, 959, 1020. 



barroisi, 1019, 1020. 



davidsoni, 959, 1020. 



neglectus, lOJJO, 1019. 



oehlerti, 1O2O. 



procerus, 1020. 

 Colpoceras, 777. 

 Colpomya, 622,485, 523, 524. 



constricta, 523*. 



demissa, 524, 523, 525. 

 Columella of Gastropoda, 815. 

 Conchopeltis, 823, 839. 



alternata, 823*, 839. 



minncsotensis, S3S, 823, 8S9. 



obtusa, S41. i 



Conocardiid*, 487. 

 Conocardium, 487 

 Conolichas, 749, 753, 754. 



cornutus, 749*, 752, 754. 



eriopis, 753, 754. 



hispidus, 753, 754. 



pustulosus, 754. 



Conradella, 904, 850, 851, 858, 859, 866, 883, 886, 

 898, 905, 906. 



bellula, 910,852, 911. 



compressa, 908, 852, 906, 907. 



dyeri, 9O9, 852, 906, 908-911. 

 var. cellulosa, 91O, 852. 



elegans, 91 1. 852, 910, 912. 



flmbriata, 907, 852. 



grand is, 908,852, 909. 



imbricata. 911, 852, 912. 



obliqua, 9O6, 852, 907. 



pannosa, 852, 906. 



siinilis, 9O6, 852, 907. 



triangularis, 9O8, H52, 909, 911, 912. 

 Cornura, 733. 

 Corycephalus. 733. 

 rnuiidiuin, 697. 

 Cranoceras, 803. 

 Craspedostoma, 1045, 1043. 

 Crassatellidie, 608. 

 Crenipecten, 485. 

 Cretaceous Ostracoda, 631. 

 Crotalocephalus, 737, 738. 



niagarensis, 737, 738. 

 !s, 738. 



