264 INDEX TO NORTH AMERICAN GEOLOGY, PALEONTOLOGY, [mill. 189. 
Paleontology— Continued. 
Genera and species described— Continued. 
Plicatula filamentosa var. coneentrica, Dall, 
1272. 
var., Harris, 2313. 
gibbosa Lamarck, Dall, 1272. 
hydrotheca While, Herrick and Johnson' 
2465. 
hydrotheca White, Stanton, 5191. 
incongrua Con., Cragin, 1115. 
marginata, Ray, 4813. 
marginata Say, Dall, 1272. 
ostreiforrais n. sp., Stanton, 5798. 
senescens n. sp., Cragin, 1116. 
senescens, Stanton, 5197. 
(?) Harris, 2310. 
Plioplatecarpus, Williston, 6245. 
Plochionus lesquereuxi n. sp., Scudder, 4900. 
Plumulites Barrande, Matthew, 3770. 
manuelensis n. sp., Matthew, 3770. 
newberryi, Whitfield, 6089. 
Poacites sp., Hollick, 2696. 
Podazamites acutifolius Font. ?, Fontaine, 
1846. 
angustifolius (Eichw.) Schimp., Lesque- 
reux, 3470. 
lanceolatus (L. and H.) Brongn., Lesque- 
reux, 3470. 
stenopus n.sp., Lesquereux, 3470. 
Podocrates vancouverensis n.sp., Whiteaves, 
6085. 
Pododesmus rudis Broderip, Dall, 1272. 
scopelus n. sp., Dall, 1272. 
(Monia) macroschisma Deshayes, Dall, 
1272. 
Podogonium americanum Lx., Knowlton, 
3264. 
Podozamites acuminatus Hollick n.sp., New- 
berry, 4080. 
acutifolius Font. ?, Fontaine, 1847. 
angustifolius (Eichw.) Schimp, New- 
berry, 4080. 
? carolinensis Fontaine n. sp., Ward, 5857. 
distens (Presl.) Friedrich Braun?, Ward, 
5857. 
emmonsii Newberry, Ward, 5857. 
lanceolatus (Lindley and Hutton) Fried 
rich Braun, Ward, 5857. 
lanceolatus latifolius (Brongniart) Heer 
Ward, 5857. 
longifolius Emmons, Ward, 5857. 
marginatus Heer (?), Newberry, 4080. 
tenuistriatus (Rogers) Fontaine, Ward 
5857. 
Podurites saltator n. sp., Matthew, 3768. 
Poebrotherium Leidy, Wortman, 6493. 
labiatum Cope, Wortman, 6493. 
wilsoni Leidy, Wortman, 6493. 
Pogonodon (?) sp., Williston, 6228. 
Polygnathus Hinde, Grabau, 2086. 
crassus Hinde, Grabau, 2086. 
cristatus Hinde, Grabau, 2086. 
dubius Hinde, Grabau, 2086. 
linguiformis Hinde, Grabau, 2086. 
nasutus Hinde, Grabau, 2086. 
palmatus Hinde, Grabau, 2086. 
pennatus Hinde, Grabau, 2086. 
Paleontology— Continued. 
Hoi era and species described — Continued. 
Polygnathus princeps Hinde, Grabau, 2086. 
punctatus Hinde, Grabau, 2086. 
solidus Hinde, Grabau, 2086. 
truncatus Hinde, Grabau, 2086. 
tuberculatus Hinde, Grabau, 2086. 
(?) simplex Hinde, Grabau, 2086. 
Polygraphus wortheni, Scudder, 4890. 
Polygyra caloosaensis n. sp., Johnson, 2910. 
Polymastodon attenuatus Cone, Osborn and 
Earle, 4191. 
fissidens Cope, Osborn and Earle, 4191. 
selenodus n. sp., Osborn and Earle, 4191 
taoensis Cope, Osborn and Earle, 4191. 
Polymorphina amygdaloides, Bagg, 148. 
austriaca, Bagg, 148. 
communis, Bagg, 148. 
communis (d'Orbigny), Bagg, 150. 
complanata, Bagg, 148. 
compressa (d'Orbigny), Bagg, 148, 150. 
elegantissima, Bagg, 148. 
emersoni n.sp., Bagg, 150. 
gibba (d'Orbigny), Bagg, 148, 150. 
lactea, Bagg, 148. 
lactea elongata var. Brady, Bagg, 150. 
oblonga d'Orbigny, Bagg, 150. 
orbignii (Zborzewski), Bagg, 150. 
prselonga, Bagg, 148. 
problema (d'Orbigny), Bagg, 150. 
regularis, Bagg, 150. 
Polynices (Amauropsis) burnsii n. sp., Dall, 
1259. 
(Lunatia) heros Say, Dall, 1259. 
internus Say, Dall, 1259. 
Polyphemopsis melanoides, Whitfield, 6099. 
Polypora McCoy, Grabau, 2086. 
Polypora Simpson, 4983. 
aspera n. sp., Rogers, 4656. 
coyotaensis n. sp., Herrick and Johnson, 
2465. 
coyotensis n. sp., Herrick and Bendrat, 
2464. 
elliptica n. sp., Rogers, 4656. 
flexuosa n. sp., Rogers, 4656. 
(porosa? var.) manitobensis, Whiteaves, 
6074. 
multiplex Hall, Grabau, 2086. 
separata Hall (?), Clarke, 971. 
tenuiramus n. sp., Rogers, 4656. 
triangularis n. sp., Rogers, 4656. 
varsouviensis (?), Whitfield, 6099. 
sp. hides., Clarke, 971. 
Polyporella cf. compressa Hall, Clarke, 971. 
Polypsephis, Hay, 2381. 
Polystomella striatopunctata, Bagg, 148. 
Polytropis De Koninck, Whiteaves, 6080. 
durhamensis n. sp., Whiteaves, 6080. 
parvulus n. sp., Whiteaves, 6080. 
sulcatus Hall, Whiteaves, 6080. 
Pomatospirella Bittner, Hall and Clarke, 2264. 
Pontocypris pyriformis n. sp., Jones, T. R., 
2935. 
Populites cyclophyllus? Heer, Lesquereux, 
3472. 
elegans, Lesq., Lesquereux, 3470, 3472. 
elegans Lesq. (?), Newberry, 4083. 
