weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 153 
Paleontology— Continued. 
Genera and species described— Continued. 
Psephodus (Helodus) politus n. sp., New- 
berry, No. 573. 
Psendamussium claibornense, Harris, No. 334. 
Pteranodon, Case, No. 135. 
Pteraspidse, Case, No. 133. 
Pteria colymbus Bolten, Dall, No. 184. 
hirundo, Bolten, Dall, No. 184. 
var. vitrea Reeve, Dall, No. 184. 
multangula H. C. Lea, Dall, No. 184. 
scopoli, Dall, No. 184. 
(arjrentea var. ?) chipolana Dall, Dall, No. 
184. 
Pterichida?, Case, No. 133. 
Pteiis pennaeformis Heer, Newberry, No. 
573a. 
russellii Newb., Newberry, No. 573a. 
Pterodactylus, Case, No. 135. 
Pteronites bopkinsi n. sp., Weller, No. 860. 
laevis n. sp., Weller, No. 860. 
Pteropsis Conrad, Dall, No. 184. 
Pterospermites dentatus Heer, Newberry, 
No. 573a. 
modestus Lesq., Hollick, No. 368. 
Ptilocella n. gen., Simpson, No. 702. 
Ptilodictya, Simpson, No. 702. 
Ptilopora, Simpson, No. 702. 
Ptiloporella, Simpson, No. 702. 
Ptiloporina, Simpson, No. 702. 
Ptilotrypa, Simpson, No. 702. 
Ptychonema, Simpson, No. 702. 
Ptychoparia adamsi Billings sp., Matthew, 
No. 535. 
calymenoides (Whitfield), Berkey, No. 74. 
limbata n. sp., Matthew, No. 535. 
Ptychosiagum, Case, No. 135. 
Ptyctodus calceolus, Eastman, No. 246. 
compressus n. sp.. Eastman, No. 246. 
ferrox n. sp., Eastman, No. 246. 
obliquus, Eastman, No. 246. 
major, Eastman, No. 246. 
molaris, Eastman, No. 246. 
panderi n. sp., Eastman, No, 246. 
Ptyonius, Case, No. 134. 
Pulvinulina elegans, Ba gg, No. 27. 
karsteni (Reuss), Bagg, No. 27. 
micheliniana (d'Orbiguy), Bagg, No. 27. 
reticulata Reuss, var. carinata Bagg, 
Bagg, No. 27. 
schreibersii, Bagg, No. 27. 
Pyropsis coloradoensis Stanton, Logan, No. 
498. 
Pyrula nansemondi Wagner, Dall, No. 185. 
Pyrus cretacea Newb., Newberry, No, 573a. 
Quercus antiqua Newb., Newberry, No. 573a. 
bankslsefolia Newb., Newberry, No. 573a. 
castanoides Newb., Newberry, No. 573a. 
castanopsis Newb., Newberry, No. 573a. 
consimilis Newb., Newberry, No. 573a. 
coriaeea Newb., Newberry, No. 573a. 
dubia Newb., Newberrj - , No. 573a. 
elliptica Newb., Newberry, No. 573a. 
flexuosa Newb., Newberry, No. 573a. 
gracilis Newb., Newberry, No. 573a. 
gronlandica Heer, Newberry, No. 573a. 
Paleontology— Continued. 
Genera and species described — Continued. 
Quercus laurifolia Newb., Newberry, No. 
573a. 
morrisoniana Lesq., Hollick, No. 370. 
( ?) novflB-caisareae n. sp., Hollick, No. 370. 
paucidentata Newb., Newberry, No, 573a. 
salicifolia Newb., Newberry, No. 37:ia. 
simplex Newb., Newberry, No. 573a. 
sinuata Newb., Newberry, No. 573a. 
sullyi Newb., Newberry, No. 573a. 
( ?) sp. ?, Hollick, No. 370. 
Radiolites maximus n. sp., Logan, No. 498. 
Rangia desmoulins, Dall, No. 184. 
johnsoni Dall, Dall, No. 184. 
(Rangianella) Conrad, Dall, No. 184. 
Receptaculites infundibuliformis Eaton, 
Girty, No. 300. 
neptuni, Girty, No. 300. 
oweni, Girty, 300. 
Rensselaeria cayuga, Hall and Clarke, No. 327. 
ovulum, Hall and Clarke, No. 327. 
Reptaria, Simpson, No. 702. 
Resania Gray, Dall, No. 184. 
Reteporella, Simpson, No. 702. 
Reteporina, Simpson, No. 702. v 
Rhabdogonium rcemeri Reuss, Bagg, No. 27. 
tricarinatum (d'Orbigny), Bagg, No. 27. 
var. acutangulum Reuss, Bagg, No. 27. 
Rhamnites concinnus Newb., Newberry, No. 
573a. 
Rhamnus elegans Newb , Newberry, No. 573a. 
ellipticus n. sp., Kirchner, No. 442. 
eridani Ung., Newbery, No. 573a. 
insequilateralis Lesq., Hollick, No. 370. 
Rhamphorynchus, Case, No. 135. 
Rhinidictya, Simpson, No. 702. 
Rhinobolus davidsoni, Hall and Clarke, No. 
327. 
Rhinocarist ( ?) bipennisn. sp., Clarke, No. 155. 
Rhinopora, Simpson, No. 702. 
Rhizomorphs, Hollick, No. 3^8. 
Rhizostomites admirandus Haeckel, Walcott, 
No. 844. 
lithographicus Haeckel. Walcott, No. 844. 
Rhombopora, Simpson, No. 702. 
Rhopalonaria, Simpson, No. 702. 
Rhophalodon, Case, No. 135. 
Rhus ( ?) nervosa Newb., Newberry, No. 573a. 
rotundifolia n. sp., Kirchner, No. 442. 
Rhynchonella mutata Hall, Weller, No. 860. 
Rhynchodus excavatus, Eastman, No. 246. 
major n. sp., Eastman, No. 246. 
occidentaiis, Eastman, No. 246. 
rostratus n. sp., Eastman, No. 246. 
secans, Eastman, No. 246. 
Rhynchospira scansa, Hall and Clarke, No. 
327. 
Rosmarus sosmarus, Rhoads, No. 652. 
Virginian us (l)e Kay), Rhoads, No. 652. 
Rostellites ambigua? Stanton, Logan, No. 498. 
willistonii n. sp., Logan, No. 498. 
Rotalia beccarii, Bagg, No. 27. 
orbicularis, Bagg, No. 27. 
soldanii, Bagg, No. 27. 
Sagenella, Simpson, No. 702. 
