124 
Murchisonia Texana, 626. 
Myalina og aig 218. 
rome abr 396. 
osa, 396. 
- Mytilus concavus, 188. 
Meckii, 
Ottawaensis, 211. 
Perm [= 
sa ietonnt 188. 
tenuiradiatus, 211. 
Natica acutispira 597. 
Naticopsis Pricei, 202. 
ee series in es vegetable king- 
125. 
Nautilus Gilpini, 658. 
Missouriensis, 198. 
PARE TOT, 198. 
99. 
sp.? 
Neritopsis biangulatus, 598. 
New Mexico, geo eno of part of, 273. 
Nucula Haydeni, 602. 
vou 190. 
serra 3. 
speciosa? 190. 
Old ce sandstone near Milwaukie, 
tactic laws in eT 678. 
Sreaetaiin: notes on, 416. 
Orthis carbonaria 218 
ewer, 660. 
r. Chouteau- 
wt cemataasions 
subtrigonalis, 40. 
Ozone, unsuccessful experiments, 
829. 
Pachymya Austinensis, 604. 
Paleozoic rocks, Bryozoa of, 266. 
Panopea ~ wherryi, 605. 
la, 605. 
Papyrus-scroll 527. 
GENERAL INDEX. 
Pecten aviculatus, 213. 
Clea velandicus, 181. 
Coosensis, ie 
Hallii, 
Pentamerus Salinensis, 652. 
Pentremites, 628. 
caly s, 6 
conoideus, 248, 246 
curtus, 247. 
decussatus, 242, 247 
elegans, 632. 
elongatus, 245 
Gordoni, 245 
4 
Kentuckyensis, 239, 
247. 
Koninckanus, 246. 
r Verneuilii, 247. 
Permian wh: carboniferous fossils 
m New Mexico, 387. 
formation Macereret in 
Kan 
wn N. Mexico, 113. 
n Illinois, 115. 
fossils - 5 poBoR 176, 178. 
f New M and 
exas, 
Phasianella perova 
Phillipsia Cliftonensis, 227. 
major, 
Missouriensis, 225. 
, 296, 388. 
Phyllopora Ge cobetel 180. 
Phyllotaxis, 
Pinn a calamitoides, 124. 
cu ; 
Platycrinus Pratte 569. 
vihsaibe avatar cedentall, 
rmianus, 
i ceebeetale al a 624. 
landula, 626. 
alliana, 399. 
ai 401. 
rnata, 401. 
nade 401. 
Pecten acutialatus, 185. 
Riddellii, 625. 
