INDEX TO VOLUME l8 



711 



Page 



Saline river. Erosion on 343, 344 



Salisbury basin, Cliaracter of... 47,48,40 



, Location and extent of 47 



of the iXonongaliela formation . 47, 48 



■ , Thlcliness of coal bed of the .... 48 



— Beach water worlis, Depth of wells 



of 513 



— coal basin, Measurements of 47 



S.iLisBUKY, K. D., cited on erosion in 



Pennsylvania 452 



— , Record of remarks by 622, 641 



Salt well, Nevada, Probable cause of 



formation of 220 



Sand Brook traps of the Newark trap 



rocks of New Jersey 203,204 



Sandstone masses of the southern 



Ozarks, Shape, size, and character 



of the 252-254 



Sandstones, Character of, in Grand 



Canyon series 494, 495 



— of the Allegheny formation.... 151,1.52 



Beaver formation 149-150 



Dunkard formation . . 98 



Maucii Chunk formation 453 



Monongahela formation .... 34-95 



Rockcastle area 145-147 



Washington formation. Char- 

 acter of . 161,162 



San Francisco earthquake, Earth-flows 



at the time of the 643 



San .Joaquin valley. Geological recon- 

 naissance in 670 



San Juan region, Colorado, Rock 



streams of 431 



San Pablo formation of middle Cali- 

 fornia, Paper on 660 



Santa Clara Valley region. Stratigra- 

 phy of 661-662 



Santa Cruz mountains, Metamorphic 

 and crystalline rocks of, by Solon . 

 Shedd 662 



— range. Notes on structure of, by J. 



F. Newsom 657 



Sapper, C, cited on rocks of Mexico 



and Central America 397 



Sardeson, Frederick W., Galena 



series 179 



— , Title of paper by 653 



SauguSj Massachusetts, Occurrence of 



non-fossiliferous clays at 529 



Saxicava urctica (Deschaijes), 8. dis- 

 torta. and S. riigosa. Location of. . 



522-523 

 "Saxicava sands," Origin of term .... 529 

 "S.AYLES, R. W., cited oh Medina forma- 

 tion below Niagara falls 381 



Scaurs, Definition of 335 



— . Occurrence of 333-336 



Schists, Occurrence in eastern North 



America of 394 



Scltizopoyella hyaJina, Location of. 522-523 

 ■ — ■ — , var. (laiwerniensis. Location of.. 



522-523 

 ScHLUNDT, Herman, Title of paper by. 643 

 Schrader, p. C, cited on mountains 



of northern Alaska 407 



SCHUCHERT, Charles, Record of re- 

 marks bv 624 



— , Title of paper by 653 



Schuylkill river. Section of Mauch 



Chunk shales along 455 



Scott, W. B.. cited on faunal speci- 

 mens in Patagonia 236 



Sea mills of Cephalonia, Causes of cir- 

 culation at 222, 224-230 



.Conditions of circulation 



at the 221-232 



, Diagram illustrating circu- 

 lation at _. 228 



. showing supposed condi- 

 tions of circulation at 228 



Pa^'e 

 Sea mills of Cephalonia, Location of. . . 252 



.Nature of fissures at 224 



, Table showing relative 



competency of temperature and di- 

 lution in circulation at 231 



. Topography and geologv 



ot site of 223, 224 



Seaquakes, Distribution of ' 242 



Sears, J. H., cited on occurrence of 



till and clay at Danvers aud Lvnn. 537 



overlying till in northeastern 



Massachusetts 511 



Second bituminous basin, Correlation 



of formation of coal beds in 50 



, Measurements of coal in 50 



— Watchung mountain. Trap of 195 



Secretary, Report of 559-563 



— , Resolution concerning 611-61'' 



Securities owned. List of 566 



Sedijientation, Character in Pennsyl- 

 vania and West Virginia of ....'. . 148 



— of North American continent... 393-401 

 — , I'l-ocess in mechanical concentra- 

 tion of IQ. 



Seely, Henry M.. Title of paper 'bv!! 654 

 Seis.mological observations of 'the 



United States 649 



Sbis.mology, Age of ocean depressions 



solved by 234 



— , The new. Origin of ocean basin's' in 



the light of 233-250 



Sellards. E. H., cited on underground 



passages at Ocala, Florida 2-7 



Selwyn, A. R. C, Memorial of, by H 



M. Ami (514 



Serripes gronlandicus. Location of. 522-5-';! 



Seward glacier. Condition of 277 



, Malaspina glacier contributed to 



t>y 260 



— peninsula, Alaska, Notes on topogra- 



phy of, by J. F. Newsom 657 



Sewickley coal bed in Pennsylvania. . 36 



West Virginia o5 



, Occurrence and thickness 



of 35, 46. 63, 65. 84, 86 



— limestone compared with Fishpot... 35 



— (Lower) coal bed. Occurrence and 



thickness of 37, 51, .52, 53, 55. 60, 



68, 71, 82, 83, 85 



— • sandstone in Ohio 36 



Pennsylvania 36 



West Virginia 36 



— ■ — , Measurements of 52 



— ■ — .Occurrence and fhickness of.. 36,53, 



58, 82, 86, 158 



— (Upper) coal bed. Composition of. 36,37 



in Marvland 36 



Ohio 37 



Pennsylvania 36,37 



West A^irginia hi 



, Occurrence and thickness 



of 36-38, 53, 56, 66, 67, 68. 



70. 71. 72. 73, 74, 76, 77, 78 

 Seyistan basin, Climatic significance 



of red and white strata of 366 



, Correlation of 367 



, Indications of later climatic 



changes at .■ 367 



— ■ — of. in eastern Persia 363-367 



.Pleistocene (and Pliocene) de- 

 posits of 364-366 



— ■ — , Views showing eolian deposits 



in 381 



— , eastern Persia, Location and char- 

 acter of basin of 363 



Skaala glaciers. Depth of 422 



. Location and character of. . 420-422 



Shale at Knoxville, Jefferson county. . 66 

 Pine grove, Wetzel county 85 



