618 



INDEX. 



Page. 



Gryphcea vomer 11,16 



Gryphea 19 



Gryphites truncates 20 



Culunria 582 



(_!i/ ra nl us 536 



Gyrodes 309 



Gyrodes Conradi :{ 1° 



Gyrorbis ; ->8'. ' 



H. 



Hamincea 270 



Haminea 270 



Haminea minor 273 



Haminea occidental is 271 



I laminta soli/arid. 271 



Haminea subcylindrica 272 



Jla mites 408.485 



Samites annul if er 411 



Hamites bacttloides 392 



Hamites Mortoni ; 4S7 



Hammon ites 445 



Harmouites 445 



Helcion 294 



Helcion alveolus 292 



Helcion carinatus 288 



Helcion patelliformis '285,290 



Helcion sexsulentiis 293 



Helcion suoovatus 291 



Helicancycloceras 177, 478 



Helicoceras 485 



Helicoceras 477 



Helicoceras angulation ■ 484 



Helicoceras auniilatiini 485 



Helicoceras ? Cheijeniieiise 483 



Helicoceras eochleatum 478 



Helicoceras gracile 480 



Helicoceras Mortoni 479, 487 



Helicoceras Mortoni, var. tenuicostatum 487 



Helicoceras t Xebraseeuse 480 



Helicoceras Teilh u.ri 485 



Helicoceras tenuicostatum 1-7 



Helicoceras tortinn 481 



Helicoceras iiinbilieatum 482 



Helicocerus 485 



Helisplimax 544 



HKUCiDiE 549,596,604 



Hclisoma 535 



Helix .549,596,604 



lh lix asperella 550 



Helix cellar ia 540 



Helix contort ns 539 



Hi lix cunt ructa 530 



Hclixcornea 535 



Helix evansi 548 



Helix globulus 549 



Helix laxata 593 



Holix Leidyi 604 



Hi li.r Madagascarensis 594 



Helix A r cbrasccnsis 547 



Helix nenwral is 551 



Helix obliqua 5 15 



Hi lix occidentalis 547, 548 



Helix oniphaliis 548 



Helix pelliic'ula 544 



Helix ( Polygyra ) amplexns 539 



Helix pomalia ~ 549,551 



Helix spatiosa 594 



Helix stagnalis 532 



Helix ? veterna 590 



Helix ? vitrhioidcs 552 



Helix vetusta 545 



Helix vetusta " 552 



Helix riripara 570 



Hclmintliolitlius 446 



Hemiaster - 5 



Hemiaster Humphreysanus 5 



Hemiaster phrynus . 5 



Henterum 576 



Hercoglossa 491 



Hercoglossa 489, 493, 494, 495 



Here 130 



Heteroceras 477 



Heteroceras angulatum I s 1 



Heteroceras Cheyennense 483 



Heteroceras 1 eochleatum 478 



Heteroceras Hmericiii niiin 477 



Heteroceras ' Nebrasceuso 480 



Heteroceras tortum 481 



Heteroceras ! umbilicatum 482 



Hiteionuja 28 



Hbtekomyaeia 28 



Hettangia 140, 1 13 



Hettangia Americana 142 



Hindsia eximia 380 



Hipponyx borcalis 288 



Homala 192, 194 



Homalina 194 



Homalina 192,193 



Homaloceratites 391 



Hormomya 07, G8 



Hyalina 545 



Hijalina 544 



Hyalina? Evansi 548 



Hyalina :' occidentalis 517 



Hijulinia.... 546 



llydrobia 571 



1 Iydrobia Anthony i 571 



llydrobia ' eulimoides 573 



llydrobia subcornea 573 



llydrobia Warrenana 572 



Hyridella , 514 



I. 



Idonearca ^6 



Idoncarca - 83,84 



Inoceiamus 38, 42 



