134 
BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 135. 
Paleontology— Continued. 
Genera and species described — Continued. 
Platygonua, Williston, 648. 
rex n. sp., Marsh, 398. 
Plectambonites tranaversalia, Foerste, 197. 
producta n. ap., Hall and Clarke, 235. 
Plectoceras, Hyatt, 305. 
bickmoreanua ap. Whitfield, Hyatt, 305. 
obscurum n. ap., Hyatt, 305. 
Plectoderma scitulum Hinde, Rauff, 473. 
Pleuromya concentrica n. ap., Hyatt, 304. 
Pleuronantilua, Hyatt, 305. 
Pleurotomaclarkeanan. ap. Aldrich, 6. 
(Drillia) pseudeburnea, Whitfield, 628. 
Pleurotoniaria filitexta, n. ap., Foerate, 197. 
Plicatula denaata, Whitfield, 628. 
senescens n. sp., Cragin, 102. 
Plumulitea newberryi, AVhitfield, 629. 
Podozamitea acutifoliua Font. ?, Fontaine, 
200. 
Polyphemopaia melanoides, Whitfield, 629. 
Tolypora varsouviensis (?), Whitfield, 629. 
PomatoapirellaBittuer, Hall and Clarke, 236. 
Populusmeedsi n. sp., Knowtlon, 343. 
Porambonites Pander, Hall and Clarke, 236. 
Poterioceras missourienae n. sp., Miller, 413. 
Potoceras dubium n. ap., Hyatt, 305. 
Precissites wardii n. gen. et sp., Knowlton, 
344. 
Primicorallina trentonenais n. ap., Whitfield, 
627. 
Pritonema gracile, Hinde Rauff, 473. 
Procamelus altua n. sp., Marah, 398. 
Productella marquesai n. sp., Rowley, 481. 
Productua elegana, Whitfield, 629. 
piriformis, Whitfield, 629. 
Proetus dermmatus, Foerste, 197. 
Pronophlenia (Tipulinae), Scudder, 502. 
Propygope Bittner, Hall and Clarke, 236. 
(Dictyothyria Douville), Hall and Clarke, 
236* 
(Rhajtina Waagen), Hall and Clarke, 236. 
(Zuginayeria Waagen), Hall and Clarke, 
236. 
Protocalyptraea marshalli n. sp., Clarke, 74. 
styliophila n, sp., Clarke, 74. 
Protoceras comptus n. sp., Marsh, 396. 
Protorhyneha Hall, Hall and Clarke, 236. 
Protospongia(?) cyathiformis Dawson, Rauff, 
473. 
minor var. distans Matthew, Rauff, 473. 
mononeraa Dawson, Rauff, 473. 
polynema Dawson, Rauff, 473. 
tetranema Dawson, Rauff, 473. 
(Diagoniella) coronata Dawson, Rauff, 473. 
Pryenomoeus decipieus n. sp., Ulrica, 570. 
subcuneatus n. ap., Ulrich, 570. 
Psiloconoha 
elliptica n. ap., Ulrich, 570. 
grandia n. sp., Ulrich, 570. 
inornata n. sp., Ulrich, 570. 
minima n. sp., Ulrich, 570. 
sinuata Ulrich, 570. 
subovalis Ulrich, 570. 
subrectan. sp., Ulrich, 570. 
tenuistriatan. sp., Ulrich, 570. 
Paleontology — Continued. 
Genera and species described — Continued. 
Paronychia perangulatan. gen. et ap., Ulrich, 
570. 
Psilophyton grandia n. sp., Penhallow, 451. 
Ptenoceras n, gen., Hyatt, 305. 
Pteranodon, Williston, 642. 
Pterinea 
aviculoidea, Whitfield, 629. 
brisa, Foerste, 197. 
cincinnatiensis n. sp., Miller and Faber, 
414. 
flabella, Whitfield, 629. 
regatula n. sp., Miller and Faber, 414. 
similis, Whitfield, 629. 
Pterospermites cupanioidea Newby. ap., 
Knowlton, 343. 
Ptychoceras, Hyatt, 305. 
crassum AVhitfield, Hyatt, 305. 
texanum Shum., Hyatt, 305. 
Ptychospira Hall, Hall, 236. 
Pycnoceras n. gen., Hyatt, 305. 
apertum n. sp., Hyatt, 305. 
calciferi forme n. sp., Hyatt, 305. 
Pygope Link, Hall and Clarke, 236. 
Pyritonema 
crasoicauda n. sp., Rauff, 473. 
fasciculus McCoy, Rauff, 473. 
subulare (F. Roemer), Rauff, 473. 
Quercus obtusiloba michx., Penhallow, 450. 
Rangia (Perissodon) minor (?), Whitfield, 628. 
Raphistoma affine, Foerste, 197. 
Receptaculites devonicus, Whitfield, 629. 
elrodi n. sp., Miller, 413. 
Remeleceras n. gen., Hyatt, 305. 
impressum, Hyatt, 305. 
Rensselseria Hall, Hall and Clarke, 236. 
cayuga n. sp., Hall and Clarke, 235. 
(BeRchia Hall), Hall and Clarke, 236. 
Reteporellan. gen., Simpson, 513. 
Retzia King Hall, 236. 
circularis n. ap., Miller, 413. 
formosa Whitfield, 629. 
plicatan. sp., Miller, 413. 
triangulusn. sp., Miller, 413. 
Rhadinobrochus n. gen., Scudder, 502. 
•extinctus, Scudder, 502. 
Rhadinoceras n. gen., Hyatt, 305. 
hyatti, Hyatt, 305. 
Rhamphidia Meigen, Scudder, 502. 
fsecaria, Scudder, 502. 
loewi, Scudder, 502. 
saxetana, Scudder, 502. 
Rhodocrinus benedicti n. sp., Miller, 413. 
Rhynchonella Fischer de Waldheim, Hall and 
Clarke, 236. 
colletti n. sp., Miller, 413. 
hydraulicum, Whitfield, 629. 
kokomoensis n. sp., Miller. 413. 
raricosta, Whitfield, 629. 
scobina, Foerste, 197. 
Rhynchonellina Gemellaro, Hall and Clarke, 
236. 
Rhynchopora King, Hall and Clarke, 236. 
Rhynchora Dalman, Hall and Clarke, 236. 
Rhynchorina Oehlert, Hall and Clarke, 236. 
