DIFFERENCE DILLER 49 



Page 

 Difference in batholitic granites according to depth of erosion ; B. K. Em- 

 erson 10, 499 



Dike at Stamford, Connecticut 2, 211 



Dikes, Causes of diversity in 10, 256 



— , Effect of heat on walls of. » 10, 254 



— , Formation of veins and 10, 253 



— , Influence of stratiiication and jointing on 10, 255 



— in the Sierra Nevada 2, 51 



— , Modes of occurrence of. 10, 254 



— , Sandstone 1, 41 1 ; 3, 50 



— , Similarity between veins and 10, 259 



— , Syenite-porphyry 9, 239 



— , Trap, near Kennebunkport, Maine 1, 31 



DiLLEK, J. S., Acknowledgments to 2, 642; 3, 233, 396; 5, 400; 6, 222 



— , Carboniferous fossils from California obtained by 6, 88 



— cited on age of auriferous slates 5, 245 



Sierra Nevada rocks 6,91 



California fossils 5, 404, 405, 407, 408 



structure 3, 383 



Carboniferous fossils 5, 246-248 



continuity of Cretaceous sediments 6, 97 



Cretaceous of the Pacific coast 5, 437 



denudation 7, 389 



fossils from California and Oregon 4, 249-253 



geology of California and Oregon 4, 249, 256 



Lassen peak 3, 415 



the Sierra Nevada 4, 260 



hornblende-syenite 3, 243 



inorganic origin of Palxotrochis 10, 228 



kimberlite 1, 533 



origin of California serpentine 6, 98, 99 



Pacific Coast ranges 6, 74, 76 



sandstone dikes 3, 51 ; 5, 228 



sequence of the geologic periods in California and Oregon 5, 436 



Shasta-Cliico series 5, 257 



Silurian fossils 5, 248 



sodalite 3, 240 



thickness of Cretaceous and Eocene strata 6, 95 



Triassic fossils 5, 247-250 



unconformity of rocks of Klamath mountains 6, 89 



Wallala formation , 4, 253 



— , Collections by 2, 204 ; 3, 396 



— ; Cretaceous and early Tertiary of northern California and Oregon 4, 205 



— , Discussion of Shasta group by 2, 207 



— elected Councillor 8, 369 



— , Geologic names given to California beds bj' 3, 412 



— ; Geology of the Taylorville region of California 3, 369 



— , Letter from, on California peridotites 3, 432 



VII— Bull. Geol. Soc. Am. 



