Index 
7 
Page 
Diphyphyllum proliferum 102 
Drumlin region 48 
Dystactospongia madisonensis, sp. nov 302 
Early Wisconsin drift 43 
Erosion and color of glacial drift 9? 17 
Esker group south of Dayton, Ohio. 19 
Eskers, general discussion of 400 
Eucalyptocrinus springeri, sp. nov 99 
Fairchild, H. L., on glacial erosion 205 
Favosites obpyi iformis 100 
Field work in geapraphy 58 
Foerste, Aug. F., Fossils from the silurian formations of Tennessee, Indiana, 
and Kentucky 61 
Preliminary notes on Cincinnatian fossils 209 
Preliminary notes on Cincinnatian and Lexington fossils 289 
Form of outwash drift 47 
Forms which simulate wave-cut terraces 38 
Fossils from the silurian formations of Tennessee, Indiana and Kentucky 61 
Gannett, H., on glacial erosion 203 
General consideration of ice-front lakes 265 
Geographic influences arising from stratigraphy 146 
G. K. Gilbert, on glacial erosion 204, 205 
Glacial lakes '..... 412, 418 
Glaciation 160 
Gypidula roemeri 70 
simplex, sp. nov 70 
Hebertella alveata, nom. nov 224 
(Schizonema) celsa, sp. nov 80 
fasciata 77 
fissiplica 79 
fissistriata, sp. nov 76 
nisis 78 
frankfortensis ; 318 
maria-parksensis, var. nov 319 
Heliophyllum pegramensis, sp. nov. 100 
Heterospongia, sp 303 
Homoeospira beecheri 90 
pisum, sp. nov 90 
schucherti 89 
schucherti-elongata, var. nov 89 
“Honeycomb” effects in weathering 148 
Hunt, Emory W., Greeting to the Ohio academy of science i 
Hyolithus cliftonensis, sp. nov 62 
newsomensis -'. . . 63 
Illinoian drift 43 
industrial activities 58 
Inherent characteristics of old drift. ii 
