120 
BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 146. 
Paleontology— Continued. 
Genera and species described — Continued. 
Pleurophorus oblongus Meek, Keyes, 258. 
Pleurostomella subnodosa Reuss, Woodward 
and Thomas, 567. 
Pleurotoma 
beadata n. sp., Harris, 185. 
decipiens n. sp., Cooper, 91. 
enstricrina n. sp., Harris, 185. 
huppertzi n. sp., Harris, 185. 
var. penrosei n. var., Harris, 185. 
insignifica Heilp., Harris, 185. 
leoncola n. sp., Harris, 185. 
pcrkinsiana n. sp., Cooper, 91. 
texanopsis n. sp., Harris, 185. 
vaughani n. sp., Harris, 185. 
(Bela) rebeccse n. sp., Harris, 185. 
(Borsonia) plenta n. sp., Harris, 185. 
(Clathurella) fannse n. sp., Harris, 185. 
(Drillia) dumblei n. sp., Harris, 185. 
dipta n. sp., Harris, 185. 
nodocarinata Gabb, Harris, 185. 
prosseri n. sp., Harris, 185. 
kelloggi Gabb, Harris, 185. 
texacona, Harris, 185. 
(Eucbeilodon) reticulatoides n. sp., Har- 
ris, 185. 
(Mangilia) infans, Harris, 185. 
(Pleurotomella) anacona n. sp., Harris, 
185. 
(Surcula) gabbi Con., Harris, 185. 
moorei Gabb, Harris, 185. 
(Taranis) finexa n. sp., Harris, 185. 
Pleurotomaria 
bispiralis Hall, Whiteaves, 538. 
brazoensis Shumard, Keyes, 258. 
broadheadi White, Keyes, 258. 
carbonaria Norwood and Pratten, Keyes, 
258. 
coniformis Worthen, Keyes, 258. 
coxana Meek and Worthen, Keyes, 258. 
deiopeia Billings, Whiteaves, 538. 
clora Billings, Whiteaves, 538. 
galtensis Billings, Whiteaves, 538. 
grayvillensis Norwood and Pratten, 
Keyes, 258. 
halei Hall, var., Whiteaves, 538. 
illinoisensis Worthen, Keyes, 258. 
lens (Hall), Keyes, 258. 
monilifera (White), Keyes, 258. 
montezuma Worthen, Keyes, 258. 
perhumerosa Meek, Keyes, 258. 
speciosa Meek and Worthen, Keyes, 
258. 
sphrerulata Conrad, Keyes, 258. 
subcarbonaria n. sp., Keyes, 258. 
tabulata (Conrad), Keyes, 258. 
townsendii n. sp., Whiteaves, 538. 
turbiniformis Meek and Worthen, Keyes, 
258. 
Valeria Billings, Whiteaves, 538. 
valvatiformis Meek and Worthen, Keyes, 
258. 
velaris n. sp., Whiteaves, 538. 
? viola Billings, Whiteaves, 538. 
Plicatula senescens, Stanton, 459. 
Pogonodon ( ?) sp., Williston, 543. 
Paleontology— Continued. 
Genera arid species described — Continued. 
Polyniastodon 
attenuatus Cope, Osborn and Earle, 362. 
fissidens Cope, Osborn and Earle, 362. 
selenodus n. sp., Osborn and Earle, 362. 
taoensis Cope, Osborn and Earle, 362. 
Polytropis DeKoninck, Whiteaves, 538. 
durhamensis n. sp., Whiteaves, 538. 
parvulus n. sp., Whiteaves, 538. 
sulcatus Hall, Whiteaves, 538. 
Pontocypris pyriformis n. sp., Jones, T. R., 
240. 
Populites 
cyclophyllus ? Heer, Lesquereux, 293. 
elegans Lesq., Lesquereux, 293. 
lancastriensis Lesq., Lesquereux, 293. 
litigiosus Heer, Lesquereux, 293. 
winchelli n. sp., Lesquereux, 293. 
Populus 
auriculata n. sp., Ward, 517. 
berggreni Heer, Lesquereux, 293. 
potomacensis n. sp., Ward, 517. 
zaddachi, Knowlton, 273. 
Porcellia nodoso Hall, Keyes, 258. 
Poroblattina 
complexinervis, Scudder, 427. 
fossa, Scudder, 427. 
gratiosa, Scudder, 427. 
longinqua, Scudder, 427. 
obioensis, Scudder, 427. 
Porocystis pruniformis Cragin, Rauff, 387. 
Potamides 
carbonicola n. sp., Cooper, 91. 
? davisiana n. sp., Cooper, 91. 
Poteriocrinus 
altonensis n. sp., Miller and Gurley, 346. 
blairi n. sp., Miller and Gurley, 346. 
broadheadi n. sp., Miller and Gurley, 
346. 
sampsoni n. sp., Miller and Gurley, 346. 
Prasopora Nicholson and Ethridge, jr., 
TJlrich, 485. 
conoidea TJlrich, TJlrich, 485. 
contigua TJlrich, TJlrich, 485. 
insularis n. sp., TJlrich, 485. 
lenticularis n. sp., TJlrich, 485. 
oculata Foord, TJlrich, 485. 
selwyni Nicholson, TJlrich, 485. 
simulatrix TJlrich, TJlrich, 485. 
orientalis n. var., TJlrich, 485. 
Priinitia 
aurora, Matthew, 319. 
oculata n. sp., Matthew, 319. 
?fusiformis n. sp., Matthew, 319. 
Proboscina Audouin, TJlrich, 485. 
frondosa Nicholson, TJlrich, 485, 
tumulos n. sp., TJlrich, 485. 
Productella pyxidata (Hall), Keyes, 258. 
Productus 
cora d'Orbigny, Keyes, 258. 
costatus Sowerby, Keyes, 258. 
lsevicostus White, Keyes, 258. 
longispinus Sowerby, Keyes, 258. 
magnus Meek and Worthen, Keyes, 258. 
nebrascensis Owen, Keyes, 258. 
punctatus (Martin), Keyes, 258. 
