CXXXI1V THE PALEONTOLOGY OF MINNESOTA. 
morrowensis, 874, 873. 
nactus, 853. 
natator, 854. 
newberryi, 854. 
nodocarmatus, 855. 
orbignyanus, 855. 
orientalis, 853. 
palinurus, 913. 
patulus, 854, 924. 
pelops, 853. 
percarinatus, 853. 
pettos, 847. 
phalera, 928. 
platystoma, 918, 853, 919, 921, 925. 
plenus, 853. 
plicatus, 853. 
propinquus, 853. 
punctifrons, 894. 
rectangularis, 869. 
recticostatus, 853. 
recurva, 920, 853. 
rudis, 854. 
rugosus, 853. 
scalifer, 853. 
similis, 919, 853, 916, 918-921. 
sowerbyi, 853. 
sp. undet., 853. 
sphaera, 853. 
squamatus, 853. 
strictus, 856. 
subangularis, 920, 853. 
subglobulus, 917, 853. 
sublevis, 853. 
substriatus, 913. 
sulcatus, 853. 
taenia, 850. 
tangentialis, 853. 
tenuifascia, 853. 
triangularis, 853. 
tricarinatus, 853. 
triliratus, 854. 
trilobatus, 848. 
troosti, 915, 853, 912, 916-920, 925, 926. 
var. burginensis, 916, 853. 
tuberculatus, 853. 
undulatus, 856. 
vaginati, 850. 
vasulites, 853. 
wisconsinensis, 881, 
Bellerophontacea, 84-4, 818, 845, 848, 856, 877, 898, 
912, 922, 926, 1044. 
Bellerophontiide, $52, 856, 859, 868, 876, 915, 922. 
925. 
Bembexia, 954, 955, 956, 1001,” 1008. 
larteti, 955. 
sulcomarginata, 1001.* 
Bernix, 632. 
Beyrichia, 657, 631, 632, 650, 656, 658, 669, 674, 675, 
677, 678, 679, 687. 
affinis, 679. 
bella, 657. 
bussacensis, 679. 
carinata, 679. 
chambersi, 676, 670, 677. 
ciliata, 673. 
clarki, 669, 679. 
complicata, 679. 
devonica, 669. 
digitata, 679. 
dissecta, 679. 
erratica, 679. 
guillieri, 674. 
halli, 669, 679. 
harpa, 679. 
hastata, 676. 
hieroglyphica, 679. 
holli, 657. 
initialis, 658, 654. 
kloedeni, 657, 674. 
lacunata, 679. 
lata, 657, 674. 
mamillosa, 679. 
marchica, 679. 
nodulosa, 679. 
oculifera, 679. 
palmata, 679. 
quadrilirata, 679, 677. 
radians, 659, 
regularis, 679. 
ribeiriana, 679. 
signata, 679. 
siliqua, 687. 
subquadrata, 669. 
trisulcata, 679. 
Beyrichiella, 632, 631. 
Beyrichiida. 647, 630-632, 659, 671. 
Beyrichiopsis, 632, 631, 659. 
Beyrichona, 632. 
Body whorl of Gastropoda, 815. 
Bollia, 668, 632, 657, 667, 671, 672, 674, 678, 681, 
682. 
auricularis, 674. 
bicollina, 669. 
bilobata, 669. 
duplex, 669. 
granifera, 669. 
hindi, 669. 
interrupta, 669. 
lata, 657. 
obesa, 669. 
persulcata, 669, 668, 670, 679. 
pumilla, 669. 
regularis, 669, 668, 679. 
rotundata, 669. 
semicircularis, 669. 
semilunata, 669. 
subequata, 669, 670, 682. 
symmetrica, 669, 657. 
ungula, 669, 670. 
unguloidea, 669, 679. 
uniflexa, 668, 669. 
vinei, 669, 668, 682. 
var. mitis, 669. 
Border of cephalon, 697. 
Brachiopoda, 475. 
Bralycinetus, 632, 631. 
Branchiogastropeda, 817. 
Bronteids, 725. 
Bronteus, 725, 726. 
hibernicus, 726. 
