INDEX. 



789 



Reptiles, Triassie 405-406 



Ilepulsion <if tributaries, illustratioim of 740-747 



Khodoniti- (cummiiiKtouitc), occurrence of 171-172, 759 



Road inatori.al, use of trap as 500-501 



Roaring Brook, fault at 473-474 



Rock Etam (a uotJible bowlder), description of 559 



Rock Orcb, description <if 559 



liocking Stone (The), description of 580 



Kowc, sori)eu tines at 98-101 



Rowe schist, occurrence and character of 76-78 



section 77 



compared with Savoy schist 158 



Rowe 8eri>entine, section of 79-80 



Russell, I. C, cited on a«'tion of ice in Triassic time. 364 



Russell, enstatite-serpen tines in 90-92 



serpentines in lll-li:! 



pyroxenic limestone in 163 



mineral vein at 507 



S. 



Sahlite changing to trimolite. (inured 106 



Salt, occurrence of 760 



Sands, interglacial 550-558 



Sandstone. Connecticut River 351-354 



amygdaloidal 435-436 



contact of diabase w ith 439, 452, 45.'>-(5C 



sills intruded in 469-170 



Savoy schist, occurrence and character of . . 156-1G3, 220-221 



intrusive rocks in 163 



Saxonite, Monson gneiss 47-50 



Schists, enumeration of 15, 16 



Silurian 211-252 



Schlierengange, E. Hitchcock's suggestion of the- 

 ory of 334 



Scudder, S.H.,descrii)tion of IMcistoccne beetles by. 740-746 

 Sentinel (The) (a notAble bowlder), description of.. 560 



Sericitegpeiss, Whately 206-209 



Sericite-schists and aniphiholites, description of 66-177 



Sericite schist, description of 162 



Serpentine, Monson gneiss 47-56 



Pelham 54, 55 



Shutesbury 55 



Midrtlefield 81-85 



analysis 34, 88, 116. 117 



Chester 85 



ISlandford 8,5-00 



jtetrographic descriptions of 97-117 



Westtield 92-95,113-114 



derivation of ]]5 



occurrence of 760 



Serpentinization, examples of 95-96.147-148 



Shearing, Westtield marble quarry 148 



Shepard, C. I'., miiieralogic work of 5,7 



cited on Chester emery mine 122-135 



cited on occurrence of indianite at South Moun- 

 tain 140 



Shelburne, gneiss at .'t8-41 



rocks of anticline in 162 



mineral vein at 505 



Shelburne Falls anticline, rocks of 75 



Sbutesbury, serpentine from 55 



section in 230 



Siderite, f>ccnrrence of 760 



Silliman, Benjamin, report by, on Southampton leail 



mine 3 



I'age. 



Silliman's Journal, cited on load mines and veins 4 



Sills intruded in sandst^me 469-470 



Silurian (Lower) sericite schists and amphibolites. . 66 177 



Silurianschists, east side of valley 211-2.'i2 



Smith, J. Lawrence, cited on minerals accompanying 



emery 131 



Smiths Ferry, dike at 495 



Sodom Mountain, serpentine from 1 14 



Savoy flirhist at 159 



pyroxenic limestone from 163 



South Iladley, record of artesian well at 381-382 



dike rocks in 48:1-494 



South Orange, great central syncline in 230-232 



Sontli Vernon, description of range from Bernards- 

 ton to 272-282 



Spodumene, occurrence of 760 



Springs (mineral), occurrence of 749-752 



analyses 750-752 



Sprlugflehl basin, terraces in 729-731 



Springtield lake, deposits of 067-065 



Springfield lake bottom, description of 677 



clays in 701 



Springlield Republican, cit.<;d on Monson granite 



quarry 60-62 



cited on Chester emery bed 120 



quoted on use of Triassic sandstone for building 



puritoses 391-394 



State Line fault, Ilolyoke dam 370-372 



Steatlzation, Westlleld marble quarry 147 



Stellate marble, figure of 152 



Stokes, II. N ., analysis by 437 



Striie, glacial 522-531 



Suess, E., cited 13 



Sugarloaf arkose, occnrrence and character of 354-358 



Snnny Valley lake, description of 592 



Swift River lake, description of. 569-575 



T. 



Talc, occurrence of 760 



Taft, John B., reports on Chester emery made to 133-134 



Terraces, Connecticut River 722-738 



Terraces and lake bottoms, detailed sections of 677-696 



Terrace period. Connecticut River, fossils of 738-740 



"The Crater," North lilaul'ord, rocks at 86, 101-102 



Thomas, Judson, acknowledgments to 141 



Till, description of 533-543 



contacts of clays and 701-703 



Titanite, occurrence of 761 



Tolland, rocks in 2i,7.'I-75 



Tonalite, occurrence and character of 331-342 



analyses of 3;j6 



crushing and alteration of 339-342 



Topography of the region 8-11 



Tourmaline, description of 130 



o<xurrence of 76I 



Tourmaline dendrite, Leeds 316 



Tourmaline-spodumene dikes, Chesterfield 324-326 



Trap, limestone fragments in 456-459 



underroUing of 460-461 



Trap rocks, Holyoke range 365-367 



origin of glass in 437-439 



analyses of 454 



roa<l-making use of 500-501 



Trap sheets and foot track, possible connection be- 

 tween 379 



Tremulite changing to serpentine, figured 106 



