INDEX. 



785 



Page. 



CordieritG granito, Brimfield 321-322 



Correlation of rocks, section allowing 16-18 



Cortlandite, BL'lchertown 34G-347 



analyses of 347 



Corundophilite, description of 130 



Corundum, occurence of 128, 756 



Coticule, figure of layer of 174 



Coys Hillporpliyriticgrauile 319-320 



Concretions, Champlain clays 711-718 



Crosby, W. O., cited on marble of Westfield 92-93 



cited on mica-grauitea 312, 314 



Crusbing tests, granite 36-38 



Cummingtonite (rhodonite), occurrence of .. 171, 172,756,757 

 Cusbmans Brook, delta of 640, 641 



1). 



Dana, E. S., cited on Triassic diabases 408-409 



Dana, J. D., cited, on origin of limestone fragments in 



trap 460 



Dana, J. D., titles and abstracts of papers on Upper 



Devonian rocks 253, 254, 256, 257, 259 



Dana, J. D., titles of papers on Pleistocene 508 



Datolite, occurrence of 757 



Davis, W.M., cited on Cretaceous degradation 8 



cited on trap rocks 409-410 



Deerfield bed, description of 476 



Deerfield Kiver and tributaries, description of . 



Deerfield River, delta of 



Deerfield River lakes, deposits of 



Deerfield sheet of eruptive rock, description of 



normal diabase of 



diopside-diabase of 



Delaney 'b quarry, Kortbampton, section at 



rocks at 



bollow bomb from 



Deltas at bigb level, traces of 



Dennis, L. M., analysis of granite by 



Devonian argillites, pseudo-glacial strife on 



Devonian rocks. "Williams Farm, map and sectiona 



Dewey, C, cited on mica-granites 



Diaapore, nature of 



Diabase, Deerfield and Holyoke 



dikes of 



alteration of 



contact of sandstone with 439, 452, 



description of 441-443, 



Deerfield sheet 



limestone inclusions in 



granitic inclusions in 



Diabase amygdaloid, contact with clayey limestone 



( figured) 



Diabase-pitcbstone, description of 



Diabase-tujff, occurrence and character of -".... 



Dike rocks, description of 



Dikes, Charlemont 



pegmatite 



diabase 



Diller, J. S., titles of papers on Pleistocene 



quoted on geology of "Westfield and vicinity 



DiorJte, Prcscott (figured) 



North Prescott and New Salem 



Leverett Center 



analyses of 



Diopside-diabase, Deerfield sheet 



Dolomite changing to serpentine, (figured) 



Dolomite and calcite, pseudomorphs of 



MON XXIX 50 



597-598 

 634-635 

 595-597 

 418-446 

 441^43 

 443-444 



470 

 470-473 



480 

 605-606 

 36-37 

 531, 532 

 263-264 

 312,313 



129 



372 

 411-418 

 419-439 

 455-456 

 461-464 

 441-443 

 452-455 

 483-488 



208 



342-345 

 344^345 



I'ago. 



Drift, upland 535-537 



valley 537-543 



Dry lirook Hill, gorge terrace of 6G1-662 



Dnunlius, description oi' 543-549 



Dunes :ind wind loess, occurrence of 748-749 



I )wiglit, Timothy, quoted 609 



D w ight station, sections near G);9, 671 



K. 



Eakins, L. G., analyses by 167, 



168. 190, 221, 303. 316, 336, 345, 347 



Eastern syncline, deacriplion of 234-242 



East Grcenwich-Enlield syucline 251 



Eaton, Amos, cited on occurrence of serpentine at 



Loudvillo 190 



cited on mica-granites 312 



Eights, James, cited on plants of Champlain clays . . 718 



Emery, analyses of 125 



varieties of 12G-127 



map of veins of 13G 



mode of formation 154-155 



Emery bed, Chester, description of 117-147 



section 141 



association and parageuesis of n)inerals at 143-147 



Emmons, Ebenezer. early mineralogic work 4 



cited on mica-granites 312 



Enfield, rocks in 232-233 



Entield-Greenwicb basin 9 



Enstatite, formation of 148-153 



altered to serpentine (figured) 106 



occurrence of 757-758 



Enstatite-serpentines, Granville and Russell 90-92 



Russell 111-112 



Enatatite-aerpentine and limestone complex at West- 

 field marble quarry 147-155 



Enstatite-serpentine pseudomorphs in while marble 



(figured) 152 



Epidote, description of 130 



occurrence of 758 



Epidote-fibrolite, Nortbfield 328 



Epidote-gueiss, Pelbam 54 



Erratics, description of 559-561 



Eruptive rocks, enumeration of 14 



description of 307-350,407-501 



contact effects of 349-350 



Eruptions, epochs of 410,411 



F. 



Fall River, fault at mouth of 439, 440 



old course of 621, 622 



Faults, descriptions of 95-96 



Feldspathic quartzite, Bernardston series 282-283 



Fibrolite, occurrence of 229-758 



Fibrolite-scbist, Belchertown 246-248 



Field, Ros well, early geologic work 6 



Fishes, Triassic 398-400 



Fitts, F. H.. analyses by 26,336 



Florence, analyses of granite from 316 



Flynfs quarry, Monson, gneias at 59-65 



Foot tracks and trap sheets, possible connection 



between 379 



Fort River, old oxbow of 737-738 



Pleistocene beetles of 740-746 



Fossils of the Terrace period 738-740 



Fox Brook, Triassic sandstone outcrop along 271 



