Jonesella, 667, 632, 675. 
crassa, 675, 667. 
crepidiformis, 667*, 656, 668. 
obscura, 668, 656, 667. 
pedigera, 667*. 
Jurassic Ostracoda, 631. 
Kirkbya, 632, 656, 681, 683. 
permiana, 683. 
Kloedenia, 632, 658, 674, 679. 
kiesowi, 679. 
Kokenia, 882, $49, 850, 877, 923. 
costalis, $S2, 849, 883, 928. 
esthona, 882, 883, 924. 
Krausella, 691, 630, 632, 690, 692. 
anticostiensis, 693, 691. 
arcuata, G92, 689, 691. 
inequalis, 691, 689, 690. 
Kyammodes, 632, 631. 
Lamellibranchiata, chapter on, 475-628. 
Lateral glabella furrows, 697; lobes, 697. 
Leperditella, 636, 632, 643. 
equilatera, 636%, 645. 
canalis, 637, 636. 
dorsicornis, 639, 636. 
germana, 67, 636, 639. 
inflata, 636*, 638, 639. 
macra, 638, 636. 
minuta, 688. 
mundula, 636*, 638. 
persimilis, 637, 636, 644. 
sulcata, 636*, 639. 
var. ventricornis, 636*. 
tumida, 637, 636. 
Leperditia, 633, 630-634, 636, 640, 643, 644, 657, 688. 
ceequilatera, 636. 
britannica, 633. 
byrnesi, 666, 664. 
canadensis var. josephiana, 634. 
carbonaria, 636. 
cylindrica, 687. 
dorsicornis, 639, 686. 
fabulites, 634, 635. 
var. josephiand, 684. 
fimbriata, 645. 
germana, 638, 636. 
gigantea, 638. 
grandis, 633. 
granilabiata, 644, 
hisingeri, 635. 
var. fabulina, 635. 
inflata, 636. 
josephiana, 634, 635. 
linneyi, 635. 
millepunctata, 645. 
minutissima, 646. 
mundulu, 636. 
nicklesi, 636. 
obscura, 637. 
sulcata, 636, 
var. ventricornis, 636. 
SCIENTIFIC INDEX. 
tumida, 636, 
unicornis, 649, 647. 
wiluiensis, 685, 
Leperditiide, 633, 631, 632. 
Lepeta, 819, 820. 
Lepetopsis, $22, 821. 
levettii, 822. 
sp. undet., 820%. 
Lepidilla, 632. 
Lepiditta, 632. 
Leptodesma, 485. 
Leptodomus, 489, 487, 621. 
Leptomaria, 949, 960. 
Leptotrypa clavis, 984. 
ornata, 860. 
Lichade, 744. 
Lichas, 744, 747-749, 751-753. 
bicornis, 748, 747, 753. 
boltoni, 753. 
breviceps, 753. 
celorrhin, 747. 
consanguineus, 753. 
contusus, 753. 
cornutus, 749, 754. 
cucullus, 744, 753. 
dracon, 753. 
eriopis, 753, 754. 
faberi, 754. 
grandis, 753. 
gryps, 753. 
halli, 754. 
harrisi, 753. 
hispidus, 753, 754. 
hyleeus, 754. 
jukesi, 753. 
laciniatus, 752*. 
margaritifer, 754. 
minganensis, 753. 
nereus, 753. 
pachyrhyncha var. longirostrata, 747, 748. 
palmata, 752*. 
phlyctenoides, 753. 
proboscidea, 748. 
pustulosus, 754. 
robbinsi, 747*, 498, 748, 753. 
subordinate generic relations of, 751. 
trentonensis, 747, 752, 753, 
wesenbergensis var. paulianus, 744, 753. 
Ligament, 479. 
Limoptera, 485. 
Lingual ribbon of Gastropoda, 814. 
Lioptera, 485. 
Liospira, 992, 935, 938, 940, 942, 953, 954, 957, 958, 
993, 994, 998, 1001, 1002. 
abrupta, 995, 1001. 
americana, 996, 997. 
angulata, 1000, 994. 
angustata, 997. 
convexa, 998. 
decipiens, 998, 993, 1001. 
eugenia, 999, 994. 
helena, 997, 994, 998, 999. 
larvata, 999, 994. 
micula, 994, 944, 995-998. 
exlili 
