INDEX TO VOLT ME 26 



493 



Page 



Human types of the old Stone age of 

 ICurope, Migration and succession 

 of 141) 



HrssAKOK, I... and W. L. L'.uyant ; Fisli 

 fauna of tlu» conodont bed (basal 

 Genesee) at Eighteen-mile Creek, 

 New York 154 



lIi'TTox. ("iiAKiJis, cited on method of 

 dissecting a mountain mass into 

 elements 17;i 



• Sclieliallien and Cnvendish 



methods for determining density. . . 17;j 



IlYDiiciTiiFnMAi, mineral. Sericite, a low 



temperature 39") 



Hvoi'soDis, Attinities of 152 



llYi'EKSTHENK syenite (akerite) of the 

 middle and nortliern I'.l\ie Itidge 

 i-egion. \'irginia : 'l\ li. \\'atson and 

 .1. II. ('line S2 



ICELANDj Oljsidian from llrafntinudh- 

 ryggur ; its lithophysa> and mark- 

 ings 255 



Idpixcs, J. 1'., Analysis of the litho- 

 physa- of obsidian (Miff, Yellow- 

 stone National Park 259 



— cited on sijhcrulitcs or lithophysse of 



Yellowstone National Park 255 



— quoted on igneous rocks and flow- 



lireccias 401 



the lithophysa' in the Obsidian 



("liff splierulites 25G 



Ic.N'Eou.s rocks. I'ennsylvania Piedmont 



pre-( "amiirian 81 



Ili.i.nois, Alexaudi-ian rocks of north- 

 eastern 95, 155 



— , Fairmont limestone cjuai')'y in 70 



— , Glacial erosion in central 70 



— .Sketch map locating Fairmont 

 quarry with resi>ect to limit of 



eai'ly Wis<'onsin glacier 71 



I.\Fi;xi)iKri,Ai: diaphragms 351 



IxTi:Ri;i,ACiAr, deposits in other places 



than the l)on and Scarboro beds.. 251 



— period. Length and character of the 



earliest: A. P. Coleman 243-254 



— time. Length of 252 



I.\VEii'ii:nuAii: laumi of the MoriMson ; 



T. W. Stanton 90, 151, :543-34S 



, Lists of described spe- 

 cies of the 343 



- — faunas of .Me.xico. Correlation be- 

 tween tliose of California and the. 414 

 . — the .American Triassic : rela- 

 tions to tliose of Asia and I-hwope; 

 .7. I'. Smith 412 



— paleoiilolniiisi. Criteria of coi'relation 



from the point of view of the 410 



Ixvi;srMi:xrs 8 



loxi-; formation of the Siei-ra Nevada 



foothills, a local facies of the I'p- 



per Te.jon-IOocene : IJ. !•]. Dickei-son. lOS 

 Ikon ores at Kirnna, Swe<len, Origin of 



the !".) 



ISDsr.vsv ;ind radioactivity; G. I'. 



ItecUer SO, ]71-2(j4 



— , Premonitions of 172 



Itaia', Pi'esent condilions of the vol(a-_ _ 



noes of southern 105, ;{75-3S,S 



.Taxaxscii. . cited on skeleton of 



dinosaur from (Jerman East Africa 



In Iterlin Museum 153 



— quoted on I'raas's view that O. nfri- 

 iiniiis accords with the North Amer- 

 ican genus Diplddociis 329 



.Tatan Cretaceous faunas compared with 



those of western T'nifed States.... 414 



— , Triassic deposits of : H. Yabe 113 



Page 

 .Toirx P.iivi) THACiiEit Park: The Hei- 

 delberg escarpment as a geological 



park : G. F. Kunz 110 



.ToHX Day Valley, Fauna of 169 



.ToHXsox. D. \\., Acting Secretary First 



Section 90 



— , Evidence of recent subsidence on the 



coast of Maine analyzed b.v 92 



— ; I'hysiographic features of western 



Europe as a factoi- in the war 110 



.luiixsTox, JoHX, Introduced by A. L. 



Day 83 



— , Itemarks on blood of oysters and 



other animals contains copper by, . 8fi 

 — ; Some effects of pressure on rocks 



and minerals 83 



.ToLV, , cited on mode of origin of 



ui-aniiun and thorium 194 



— and RuTHEUFORD cited on means 



devised for estimating the age of 

 rocks 190 



.lo.XEs, .T. C.. Discussion of Triassic 



faunas by 412 



■ — introduced by .T. C. Merriam 392 



— ; Origin of the tufas of Lake Lahon- 



tan 392 



— , Physiographic features of bolsons 



discussed by 393 



— . Ueniarks on the Lassen Peak erup- 

 tions by 397 



.T(>f:\ai>a del MiEUTO, Ueference to 



faidt-scarps of 65 



.TcHAssic and oi)ening of Cretaceotis 

 time in North America, Close of: 

 II. F. Osborn 295-302 



— to tlie Cretaceous, Symposium on the 



passage from the 90, 151 



Keith, Akiiiir. Report of (Jonimittee 



on Geological Nomenclature by. ... 57 



Keli.ekmax, Kake F., Relation of bac- 

 teria to deposition of calcium car- 

 bonate by 58 



Kew. W. S. W. ; Geology of a portion of 

 the Santa Ynez River district, 

 Santa Karliai'a County. California. 401 

 — introduced by .\. C. Lawson 401 



Keyes, Charees : A measure of arid 



erosion 404 



— ; Corrasive efficiency of natural sand- 



blast 63 



: I'\ilse fault-scarps of des<'rt ranges. 65 



Kieaiea. a drop-fault ci-ater: G. C. 



Curtis 77 



— . Presence of water in the unaltered 



lava gases of 375 



KixPEitiinoKiAX age of the Chattanoo- 



gan .series ; E. O. T'lrich 96, 155 



Ki.xDLE, VI. M.. Discussion of Il.-imilton 



group of western .New York by... 113 



KiiiK. C. T. ; Certain structural features 



in the coal fields of New Mexico.. 405 

 -introduced by C. K. Leith 405 



KiitKi'ATRicK, R., cited on morphology 



of Mrilia ■ 364 



Kiifi'XA, Sweden. Origin of the Iron 



oi'es at 99 



Kxiijirr. ('. \V.. and W. G. Mu.t.ER ; Re- 

 vision (»f pre-Cambrian classifica- 

 tion in Ontario 87 



IvxoiM', AuoErii : Platinum-gold lode de- 

 posit in southern Nevada 85 



Kvowi^Tox, !•". H. : Comparison of the 

 Cretaceous flnras of California with 

 those of other Cretaceous ni'eas... 414 



— : Correlation of tlie Miocene floras of 



western Inited States with those 



of other Miocene areas 416 



IvoiiTEVAi formation. Age of 3.S8 



— invertebrate fauna 345 



