92 
PAGE, 
Lacustrine 143 
Estuarine 143 
Glacial 143 
Crush 143 
Bedding 143 
Marine 143 
Fluviatile 144 
Lacustrine 144 
Estuarine ie, 145 
Glacial PEO eee 4o 
Crush 145 
Relations to Subjabetrt Rée ks 145 
General Discussion 145 
Matrix 146 
Pebbles 147 
Color 148 
Bedding 148 
Relations to Subjacenit Rocks 149 
Summary 149 
150 
Tabular Bummasy 
LitHoLoOGY OF THE ROXBURY AND 
NEIGHBORING CONGLOMERATES. 
Methods of Work 152 
Scheme of Description : . . 152 
Descriptive Terms . 153 
The Roxbury Series 153 
Arkose were 153 
Conglomerate . .:... + 184 
Matrix . 154 
Pebbles 155 
Color 157 
Bedding i 157 
Relations to Melaphyr off 
Sandstone and Slate 158 
Jomposition 158 
Texture 158 
Color ee 158 
Bedding. © 108 
Relations to M alaphyr 159 
Summary of Roxbury Series. - 159 
The Norfolk Basin Series 160 
Arkose 160 
160 
Conglomerate 
BULLETIN: MUSEUM OF COMPARATIVE 
ZOÖLOGY. 
Matrix 160 
Pebbles 161 
Color le 
Bedding a 108 
Relations to Melaphyr i 162 
Sandstone and Shale ; 162 
Summary of the Norfolk 
Basin Series 163 
The Narragansett Basin ‚Seriör 164 
Arkose 164 
Conglomerate 164 
Matrix 164 
Pebbles 164 
olor 165 
Bedding 165 
Relations to Teneóuá Hb 165 
Sandstone and Shale 166 
Summary of the Narragansett 
Basin Series : 166 
The Harvard Gongloments 166 
Matrix 166 
Pebbles 167 
Color 167 
Bedding : 167 
Sandstone and Grit ; 167 
Relations to Igneous Rocks 167 
Sources of Materials of the 
Conglomerates 168 
Felsite . 168 
Quartzite . 168 
Granite 169 
Slate... LOL 
Sandstone, Grit, and Melsphyr 171 
Summary of Sources 171 
General Summary 171 
STRATIGRAPHY OF THE ROXBURY 
AND NEIGHBORING CONGLOM- 
ERATES, 
General Statement 172 
The Roxbury Series 172 
Distribution 172 
Arkose 172 
