<a ‘ on Lt 
iv INDEX. > 
e PAGE. PAGE. 
monuments of Anderson town- Proetus granulatus _...c:53  saeeepeaeeeeee 81 
ship, Hamilton county, Ohio... 293 | Proetus peroccidens ..........06sseeee sence 308 
Miller, S. A., Th- Cenozoic age or PyanOMya © ....4.\...00. ses anes 318 
Tertiary period continued ...3— 46 | Pyanomya gibbosa.........ssssessessesseepes 318 
The Cenozoic age or Tertiary 
period continued .......c...-ces-« 93-144 
The Cenozoic age or Tertiary 
period continued—the drift of 
the Central part of the Con- 
tinent—completing the Meso- 
zoic and Cenozoic Geology 183-234 
Description of some new and 
remarkable Crinoids and other 
fossils of the Hudson River 
Group, and notice of Stroto- 
crinus bloomfieldensis............ 
New species of fossils and re: 
marks upon others from the 
Niagara Group of Illinois........ 
Description of new species of 
fossils 
Observations on the Unification 
of Geological Nomenclature, 
with reference to the Silurian 
formation of North America... 
Subcarboniferous fossils from 
the Lake Valley Mining Dis- 
trict of New Mexico, with de- 
se’ iption of new species 
Description of new species of 
fossils from the Hudson River 
Group, and remarks upon 
OLMOMSS fe. capone tcekenns Seer ene Op lege 
New species of fossils, and remarks 
upon others from the Niagara 
Group of [llinois, by S. A. 
Miller 
Observations on the Unification of 
Geological Nomenclature, with 
special reference to the Siluri- 
69 
166 
259 
Ce eee scoeesessessresoes cesesesess sseres 
306 
see reoee2 
Pewee eee e eae tet ses scores cesses sesees 
an formation of North America, 
Oe Sere a Gare WG IS ams Reyne ea ces 26 
Officers of the Society. ......2sccsscvatesees 9 
Ornithology in Zoological miscellany 337 
MPa aS ANY AIA, 52s Love see selsninw ng ovis omer 313 
OR Mesa HC IL CNIMT. © 5.0..0.j5c0%ehbe see nastar 307 
OrmMis CESUPINALA 2.2.0. .ccooncebshae sectors 307 
OTEROCeEras DYYNES1 ...c0.0s0sseeapvaneve. +0 319 
Orthoceras cincinnatense ...........+ 319 
OTE DBCETAS TOSUCT.,..... 57. .rcmaariecelnsess 319 
Orthoceras Harper]... sec icseteeosaevesw cee 319 
Orthodesnig, DYTUCSL......0:--seorestnars 76 
Paleaster SKCMIPLUS 2.235056 .00ssccosensenns 69 
Pet Gla nOe Yat fears ajc se ease aa mvebiet amass 258 
Platyceras wquilaterale (1.5. ..2....--..2. 307 
Platyerinus, oer laa. secon se meses ss 311 
Prehistoric monuments of Anderson 
township, Hamilton county,O., 
by Charles die Meta. i... ccmssene' 293 
Proceedings of the Society............... 1 
Proceedings of the Society............... 91 
Proceedings of the Society............... 181 
Proceedings of the Society......... Ba a 263 
Productus semireticulatus ............++ 307 
PFOUECtUS VIWTATUS ...<.:.ch sontay sesnes ite rns 307 
Quercus macrocarpa—Variability of 
the acorns, by Jos. F. James... 320 
Report of the committee on the-life 
and character of Geo. Graham 85 
Report of the committee on the life 
and services of Prof. Wm. Col- 
VTE ios das. chb sees yeh as niece ee 265 
Report of the committee on Mrs. Abi- 
wail W AQnren. <2: 4.nisesenersineeerees 266 
Weteocrinus Sracilis ..,......eesesseaeweeere 83 
Rhynchonella pugtulosa ..........0..s0eee 307 
Rhynchonella tuta.-..:25..01 sae eee 315 
SAC COCKINMBS tins et +i. sneeeweteaian cayenne 167 
SAC COGINMDUS CLANI .. aco. -sacaeennsreeeetee 173 
Saceocrinus infelix .:..cscsssssesenee .... 260 
SaccocrinUs MALPCOUANUS.........00 covers 167 
SACCOCEINUS MEGCIS \.f)05-0.-s- cs veceene a As 172 
Saccocrinus urniformis .......ccsecseeres 170 
Some notes on American land shells, 
by A. G. Wetherby \icececns-e 323 
Spirifera novamexXiCana ........seeeseeeee 314 
Spirifera rockymontana .............e000 307 
Spiti fers, Strtatas. :..5..ce .cevsse-paemeeeeee 307 
Spirifera fem eravia >ss:..2...0.crcneqpepnees 314 
Strophomena rhomboidalis............... 306 
Strotocrinus bloomfieldensis ............ 76 
Subecarboniferous fossils from the 
Lake Valley Mining District 
of New Mexico, with descrip- 
tion of new species by S. A. 
MiMM Gr 23. eicceeces 0 ese si hong 306 
Daehidius fonticola. ......2:. snecsessaeeee 47 
| Trematodiscus konincki..........06 esse. 79 
Trematodiscus rockymontanus........ 312 
Trematopora AMELICANA .........seceeeene 312 
Triconia Steel: :++--)s-cs- aenseeeemeny 259 
Ursus horribilis:...... vec. aesuseeheeeee 68 
Variability of the acorns of Quercus 
macrocarpa, by Jos. F. James.. 320 
Warren, Mrs. Abigail, Report of the 
committee in memory of......... 266 
Wetherpy, A. G., Description of new 
fossils from the Lower Silurian 
and Subearboniferous rocks of 
Ohio and Kentucky .:............. a7 
On the Geographical distribu- 
tion of certain fresh-water mol- 
lusks of North America, and 
the probable causes of their 
VAIN VAL OLS 4 bes techie ce > eee eee 156 
Descriptions of new _ fossils 
from the Lower Silurian and 
Subearboniferous rocks of 
Kientuehoy. 2.00: !spn5 os cers sneer eaee 177 
Some notes on American land 
SHGMIS Av ravees ss ceanuts deh o> a pee 323 
KON OCTLAUS. 0k i 0 iets cnn bene .0 done pee vt 
Xenocrinus penicillus .......ceeesseeee 72, 171 
Zoological miscellany, by F. W. 
Panedon .........00¢+se ikon waseRe eee 336 
