INDEX TO VOLUME 21 



805 



Page 

 ESKER, Topographical description of 



Birds liill 407 



EsKERS and kames, Conditions of the 



origin of 431, 432 



Eurasia, Relation of North America 



to 201-205 



— , Suess' description of 186 



— , the greatest unit of the earth's 



plan 190 



Europe, The peripheral ranges in. . 195-199 

 Eurypterida, Mode of life of the ; John 

 M. Clarke and Rudolph Ruede- 



mann 76 



Eutectics in complicated mixtures. . . . 171 

 Evans, , cited on feldsnars in sedi- 

 mentary rocks as indices of climate. 628 

 — ■ mechanically formed lime- 

 stones 644, 647, 648 



Evolution of fossils. Prerequisites to 



the study of 297 



Evolutional modification. Environ- 

 mental change suflBcient to permit. 297 



Expenses of Secretary's office 37 



Extinct organisms. Anatomy and phys- 

 iology in 74 



Fairchild, H. L., cited GilTaert gulf. . . 242 



on glacial waters in central New 



York 242 



Lake Iroquois 241 



measurements of the Iroquois 



beach 242 



Pleistocene geology of western 



New York 242 



— , Chairman section of glacial and 



physiographic geology 25 



- — , Discussion on anticlines in the Cha- 

 grin shales at Cleveland, Ohio, by . . 



24, 773 



— , Temporary chairman Glaciology and 



Physiography Section -1 



Fairbanks, H. W. ; Some topographical 

 features of the western side of the 

 Colorado desert. (Abstract.) 793 



Fault, Figures showing combination of 



finite rotations at a 738 



— in Wasatch range, Huntsville 540 



— , Problem demonstrating rotations 



at a 737 



— , Reference to methods for determin- 

 ing displacement at a 737 



Faulting in Owens valley, California, 



Recent 792 



Faults, Additional note on the geom- 

 etry of 737-740 



— , Geologic map of vicinity of Ogden, 

 Utah, showing overthrusts and nor- 

 mal 535 



— in Wasatch range, Transverse 539 



— , Mechanics of 25, 766 



Fauna, Aftonian mammalian 120 



— of Anticosti, Quotation from E. 



Billings on 678 



the Girardeau limestone and of 



the Edgewood formation ; T. E. 



Savage 76 



— , Recurrent Hamilton 287 



Faunal continuity. Evidence of . . . 292, 297 

 Faunas, Contemporaneity of 294 



— contrasted, Migration of species and 



shifting of 290 



— , Fixed and fluctuating characters of. 293 

 — , Hypothesis of recurrence and shift- 

 ing of 285 



— , Lithologic changes not sufficient to 



account for difference in 289 



— , Magma and local special 293 



— , Ocean water determined the shifting 



or migration of 289 



Page 



Faunas, Rare and dominant species. . . . 293 



— , Recurrence of 292 



— , Reversal of order in succession of. . 286 



— , Shifting and migrations of Devo- 

 nian 76, 285-294 



Fayalite in the granite of Rockport, 



Massachusetts ; Charles Palache. 33, 787 



Feldspar basalts, with phonolites, 

 Islands of Kerguelen, Fernando No- 

 I'onha, and Saint Helena composed 

 of 89 



Feldspars, melting curves of the. Fig- 

 ure 2, showing 157 



— , The isomorphism and thermal prop- 

 erties of the 156, 165 



Felid.e, Phylogeny of the 74 



Fellows, Election of 3, 4 



Fillmore, Utah, Gypsum dunes at. . . . 647 



Five Islands, Nova Scotia, Barite de- 

 posits of 33, 786 



Flexures, Relations of the mountain 



ranges to 558-562 



Flora of southwestern Wyoming, Lara- 

 mie 75 



Floras in the western "Red beds," Per- 

 mian 75 



Florida, Escambia county, "Gray sand" 



at 635 



— -, Natural bridges in 331 



Flux for basalt, Limestone or dolo- 

 mite a 109 



FORAMiNiFERA, Plioceue and Pleistocene 



from California 76 



FoRCHAMiiER, J. G., cited on experi- 

 ments with sand grains 641 



FoREL, AUGUSTE, Work on ants referred 



to 452, 454 



"Forest Glen epoch," Name given by 



J. W. Spencer 439 



Formation of Ontario, New cystid 



from the Clinton 76 



Fort Cassin formation, Piloceras of 



horizon of 688 



Fossil fauna of Mingan formation. 



List of 689-692 



Fossil genus Rhipidomella, Persistence 

 of fluctuating variations as illus- 

 trated by 76, 296-312 



Fossils, Anticosti and Mingan islands 



678-716 



— , Anticosti island Chicotte formation. 715 



— of Anticosti island. The long-ranging 



species 683 



— , Becsie River formation 705-708 



— , Discovery of. in the Ouantico slate 

 belt and the association of vol- 

 cano-sedimentary beds with the 

 slates of the Virginia crystalline 

 regions ; T. L. Watson and S. L. 



Powell 31, 782 



— , Distribution of Aftonian 125 



— from Morgan formation, List of.... 531 



— , Gun River formation 708-713 



— , Jupiter river, Anticosti island. . 713-715 



— of the Geneva quartzite. List and 



classification of 527 



— , Prerequisites to the study of evolu- 

 tion of 297 



— (some new) from the Cambrian of 



South Attleboro, Massachusetts ; 



W. B. Hall 76 



Fossiliferous gravel and sand beds 

 of Iowa and Nebraska, Evidence 

 they are Aftonian ; B. Shimek. ... 31, 



120-140 



— zones, Alternate appearance of di- 



verse 287, 288 



FossiLizATiON, Conditions of, in the 



Permian beds of northern Texas . . 250 



