lO 
Index 
Richmond formation 
Scenidium bassleri, sp. nov 
ScHEFFEL, Earl R., An esker group south of Dayton, Ohio. 
Significance of drainage changes near Granville, Ohio 
School museum 
Schuchertella roemeri . 
Sedimentation 
Seneca valley, N. Y. 
Sexuality in Spondylomorum 
Shore lines, development of 
life relations of 
Significance of drainage changes near Granville, Ohio 
Size of spondylomorum colonies and individuals 
Sodium thiosulphate 
Solifluction 
Spectrometer for electromagnetic radiation 
Spirifer geronticus 
swallowensis 
Spit, shorelines. 
Spondylomorum quaternarium, Ehrenb 
Springs as a geographic influence in humid climates 
State geological surveys 
Stephanocrinus tennesseensis 
Stickney, Malcolm E., Notes on Spondylomorum quaternarium Ehrenb 
A stratigraphical study of Mary Ann township, Licking County, Ohio. . . . 
Streptelasma dispandum, sp, nov . 
divaricans 
divaricans-augustatum, var. nov 
insolitum, sp. nov 
vagans, nom. nov 
Striae, indication of ice-movement 
Stricklandinia dichotoma 
Stropheodonta (Brachyprion) newsomensis, sp. nov 
Strophomena concordensis, sp. nov 
maysvillensis, sp. nov 
vicina, sp. nov 
Strophonella dixoni, sp. nov 
ganti, sp. nov 
laxiplicata 
prolongata 
roemeri 
semifasciata-brownsportensis, var. nov 
tenuistriata, sp. nov 
Sub-Aftonian drift 
Sunbury formation 
Swimming movement in embryos of Diemyctylos torsus, Eschscholtz. 
Systematic geography 
Page 
209 
72 
19 
157 
59 
82 
141 
49 
237 
267 
282 
157 
23s 
121 
367, 368 
189 
92 
93 
269 
233, 234 
146 
55 
99 
233 
127 
307 
307 
308 
306 
30s 
428, 429 
71 
87 
213 
212 
317 
85 
86 
86 
8S 
84 
87 
83 
4 
144 
241 
60 
