WEEKS.] 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
265 
Paleontology— Continued. 
Genera and species described — Continued. 
Populites lancastriensis, Lesq., Lesquereux, 
3472. 
litigiosus Heer, Lesquereux, 3470, 3472. 
probalsamifera n. sp., Dawson, 1436. 
sternbergii n. sp., Lesquereux, 3470. 
winchelli n. sp., Lesquereux, 3172. 
Populus acerfolia Newb., Newberry, 4083. 
(?) apiculata n. sp., Newberry, 4080. 
auriculata n. s|)., Ward, 517. 
balsaminoides Goeppert, Dawson, 1448. 
balsamoides Goepp, Knowlton, 3255. 
berggreni Heer, Lesquereux, 3470, 3472. 
cordata Newb , Newberry, 1083. 
(?) eonl i folia Newb., Newberry, 4083. 
cuneata Newb., Newberry, 1083. 
cyclophylla Heer, Newberry, W83. 
daphnogenoides Ward, Knowlton, 3255. 
(?) debeyana Heer, Newberry, 4083. 
elliptica Newb., Newberry, 4083. 
elongata Newb., Newberry, 4083. 
eotiemuloides n. sp., Knowlton, 3246. 
flabellum Newb., Newberry, 4083. 
genetrix Newb., Newberry, ins:;. 
glandulifera Heer, Knowlton, 3255. 
harkerianan. sp.. Lesquereux, :;i70. 
harkeriana Lesq. (?) , Hollick, 2696. 
hyperborea, Heer, Lesquereux, 3470. 
kansaseana n. sp., Lesquereux, 3170. 
lindgreni n. sp.. Knowlton, 3246. 
lltigiosa Heer, Newberry, 4083. 
meedsii n. sp., Knowlton. 3224. 
melanarioides Lx., Knowlton, 3264. 
microphylla Newb., Newberry, U)83. 
mutabilis ovalis? Heer, Know Hon. 3264. 
nebrascensis Newb., Newberry, W83. 
nervosa Newb., Newberry, 4083. 
obovata n. sp., Knowlton, 3264. 
occidentalis n. sp., Knowlton, 3246. 
polymorpha Newb., Newberry, ins:; 
potomaeensis n. sp., Ward, 5846. 
problematica n.sp., Knowlton, 3222. 
pyrifolia n. sp., Kirehner, 3187. 
rhomboidea Lesq., Newberry, 4083. 
rotund i folia Newberry, Dawson. Ills. 
rotundifolia New l).. Newberry, 1083. 
smilacifolia Newb., Newberry, 1083 
speciosa Ward, Knowlton, 3255. 
stygia Heer, Lesquereux, :;470. 
(?) vivaria n. sp., Knowlton, 3255. 
wardii n. sp., Knowlton, 3264. 
xantbolithensis n. sp., Knowlton, 3255. 
zaddachi, Knowlton, 3262. 
sp., Knowlton, 3264. 
Porambonites Pander, Hall and Clarke, 261a, 
2264. 
Porcella rectinoda Win., Weller, 6006. 
Porcellia crassinoda W. & W., Weller, 6006. 
manitobensis, (noni. prov.), Whiteaves, 
6074. 
nodoso Hall, Keyes, 3062. 
obliquinoda White, Weller, 6006. 
cf., rectinoda Win., Weller, 5994. 
Porites ramosa (Lonsdale), Vaughan, 5735. 
reussiana Duncan, Vaughan, 6731. 
Poroblattina complex inervis, Scudder, 4895. 
Paleontology — Continued. 
Genera and species described — Continued. 
Poroblattina fossa, Scudder, 4898. 
gratiosa, Scudder, 4898. 
longinqua, Scudder, 4898. 
ohioensis, Scudder, 4898. 
Porocrinus kentuckiensis n. sp., Miller and 
Gurley, 3997c. 
Porocystis n. gen., Cragin, 1115. 
pruniformisn. sp., Cragin, 1115. 
pruniformis Cragin, Rauff, 4550. 
Portheus Cope, ('rook, 1147. 
lowii n. sp., Stewart, 5237. 
Posidonomya?ambigua Win., Weller, 6006. 
lasallensis n. sp.. Miller and Gurley, 4002. 
?spertenuis n. sp., Beede, 394. 
recurva n. sp., Beede, 394. 
Potamides carbonicola n. sp., Cooper, 1071. 
? davisiana n. sp., Cooper, 1071. 
fulvarupis n. sp., Harris, 2316. 
hillsboroensis Heilprin, Dall, 1259. 
sealatus Heilprin, Dall, 1259. 
(Lampanella) transecta Dall, Dall, 1259. 
( Pyrazisinus l acutus n. sp., Dall, 1259. 
Potamocypris affinis n. sp., Jones, 2934. 
unisulcata, Jones, 2934. 
Potamogeton pectinatus, Penhallow, 1336. 
pusillus, Penhallow, 4336. 
Poterioceras apertum Whiteaves 1889, Clarke, 
953. 
gracile Whiteaves, Whiteaves, 6087. 
jerseyense n. sp., Miller and Gurley, 1002. 
missouriense n. sp., Miller, 3995. 
nobile Whiteaves, Whiteaves, 6087. 
Poteriocrinus agnatus n. sp., Miller, 3992. 
albersi n. sp., Miller and <;urley, 4000. 
altonensis n. sp., Miller and Gurley, 3998. 
amoenus n. sp., Miller, 3992. 
arcanus n. sp., Miller and Gurley, 3991. 
arrectarius n. sp.. Miller and Gurley, looo. 
blairi n. sp., Miller and Gurley, 3998. 
boonvillensis n. sp., Miller, 3992. 
bozemanensis n. sp., Miller and Gurley, 
4001. 
broadheadJ n. sp., Miller and Gurley, 3998. 
cantonensis n. s]>., Miller and Gurley,3991. 
eireunitextus n. sp., Miller and Gurley, 
3997c. 
coryphaeus n. sp., Miller, 3992. 
crawfordsvillcnsis n. sp., Miller and Gur- 
ley, 3991. 
disparilis n. sp., Miller and Gurley, 3991. 
douglassi n. sp.. Miller and Gurley, 4001. 
granuliferusn. sp., Miller and Gurley ,3991. 
granilineusn. sp., Miller and Gurley, 3991. 
graphicus n. sp.. Miller and Gurley, 3991. 
hammondi n. sp. Miller and Gurley, 3997c. 
labyrinthicus S. A. Miller, Miller and Gur- 
ley, 4000. 
lautus n. sp., Miller and Gurley, 4000. 
maccabei n. sp., Miller and Gurley, 3997c. 
var. decrepitus n. sp., Miller and Gur- 
ley, 3997c. 
neglectus n. sp., Miller and Gurley, 4000. 
pulaskiensis n. sp., Miller and Gurley, 
3999. 
sampsoni n. sp., Miller and Gurley, 3998. 
