clii 



PALEONTOLOGY OF MINNESOTA. 



Straparollus, 1024. 



quebecensis, 1023. 

 Streblopteria, 485. 

 Strophomena deltoidea, 746, 



subtenta, 736. 

 Stropbostylus, IOCS, 1043, 1044, 1056-1058, 1064. 



cyclostomus, 1063. 



elegans, 1063. 



textilis, 1O64, 1057, 1063. 

 Strepula, 632, 677. 



lunatifera, 680. 



quadrilirata, 679. 



Subgeneric classification of Ceraurus, 736. 

 Subulitacea, 1O6. 

 Subulites, 1069, 1070, 1071, 1073-1075, 1079. 



abreviatus, 1070. 



attenuatus, 1070. 



beloitensis, 1O72, 1073. 



brevis, 1070. 



jofci/enw, 1070, 1074. 



canadensis, 1O71, 1072. 



compactus, 1070. 



conradi, 1O71, 1072. 



daphne, 1070, 1074. 



directus, 1070. 



dixonensis, 1O72, 1073. 



gracilis, 1070. 



inflatus, 1075, 1070. 



nanus, 1O72, 1070. 



notatus, 1070, 1074. 



obesus, 1070, 1074. 



parvulus, 1070. 



parvus, 1O72. 



pergracilis, 1O72, 1073. 



planilateralin, 1079. 



priscus, 1070. 



psyche, 1070, 1074. 



regularis, 1O72, 1070, 1073. 



richardsoni, 1070. 



sp. undet., 1O7JJ, 1070. 



terebriformis, 1070. 



ventricosus, 1070, 1073. 

 Subulltida), 1O69. 

 Sulcuna, 632. 

 Suturo, of Cephalopoda, 761; of Gastropoda, 815; 



facial of trilobites, 697. 



Synopsis of generic groups of Pleurotomaridao, 951. 

 Synphoria, 733. 



Taconic Ostracoda, 631. 



Tasnoceratldae, 811. 



Talantodiscus, 960. 



Technophoridas, 612, 628. 



Technophorus, 612, 486, 608, 613, 614, 628. 



divarlcatus, 616. 



extenuatus, 614, 611*, 613. 



faberi, 613. 



in i stria tus, 615. 



punctostrlatus, 615, 613, 616. 



cubacutus. 614, 613. 

 Tectibranchiata, 818. 

 Tecturidaj, 837. 

 Teeth of Lamellibranchiata, 480, 479. 



Tellimya, 578. 



Tellinomya, 578, 478, 479, 486, 579, 58S. 



alta, 60S. 



compressa, 600. 



curta, 582. 



dvbia, 591. 



fecunda, 595. 



hamburyensis, 605. 



intermedia, 601. 



lepida, 604. 



levata, 599. 



tonga, 590. 



nasuta, 584, 578, 579, 585, 591. 



obliqua, 604. 



planodorsata, 589. 



recurva, 60S. 



similis, 604. 



ventricosa, 587, 588. 

 Terataspis, 753. 



grandis, 753. 

 Terminology, Lamellibranchiata. 477; trilobites, 



696. 



Tertiary Ostracoda, 631. 

 Tetrabranchiata, 767. 761. 

 Tetradella, 677, 630, 632, 657, 669, 575, 676-679. 



chambersi, 676. 



lunatifera, 68O*. 



quadrilirata, 679, 669, 675, 677, 680. 

 var. simplex, 680. 



subquadrata, 677, 679. 



Tetranota, 875, 849, 850, 856, 857, 876, 877, 882, 883, 

 886, 896, 923. 



bidorsata, 877, 849, 875-883, 896, 923. 

 var. minor, 878. 



macra, 879, 849, 875, 877. 



obsoleta, 88O, 849, 875-877, 881. 



sexcarinata, 878, 849, 875,877-881. 



wisconsinensls, 881, 849, 875-877, 923. 

 Thaleops, 716, 718. 



ovata, 716, 714, 717* 718*. 

 Thecosomata, 818. 

 Thlipsura, 632. 

 Thlipsuridae, 632. 

 Thorax of trilobites, 697, 696. 

 Thysanopeltis, 725. 



Treraanotus, 851, 850, 858, 883, 885, 8.97, 898, 899, 

 903, 905, 1045. 



alpheus, 851. 



angustata, 851. 



buelli, 900. 



chicagoensis, 851. 



compressus, 851. 



longitudinalls, 851, 899. 



maideni, 851. 

 profundus, 851. 

 trlgonostoma, 851. 

 Trepospira, 957,958, 992, 993, 1081*. 

 convexa, 1081*. 



lllinoisensis, 1081*. 

 sphffirulata, 1081*. 

 Triassic Ostracoda, 631. 

 Trigoniidae, 608, 486. 



Trilobites, chapter on Lower Silurian, 695-759. 

 Trinucleus, 752. 



