'8-4 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Chart of comparative stoiminess during 



period of maximum and minimum 



sun-spots 5-i5-54b 



distribution of loess by De Mar- 



tonne • • -. ^'^ 



European storminess during sun- ^ 



spot changes -. pl6. ol8. o20 



historic changes in precipitation.. o4_ 



major and minor sun-spot cycles. oo4 



^torm belt of the Tnited States . . o . 



Chatard. T. M. : Analyses of oolitic _ 



<and from Great Salt Lake by. . . . iob 

 Chester. H. H.. Description and analy- 



sis of minerals by ■*^i 



Chimxet Hill formation. Oklahoma •o 



Christmas. E.. cited on titanotheres . . 406 



Clagget formation ^- ' V IWi' 



Clark B. L. : Fauna of the ScutfJa 



hreiceriatw zone of the Upper Mon- 



terey series J-^^ 



San Pablo series ■ • lo- 



Clvrke F. W.. Analyses of Salt Lake ^_ 



water by '^^'i.2^ 



cited on oolites • ' ^^ 



Clarke. J. M., cited on Albion forma- ^^^ 



. — non-glaciation of Magdalen 



Islands ■ •.• • • • ^o 



— Discussion of coastal subsidence by. bJ 



■ Paleozoic faunas by .• • • • • ^;? 



Silurian svstem of Ontario by . 41 



: Illustrations of intraformational 



corrugation «" ' " 1 ' ' " 



recent exposure of Saratoga ^ 



springs V;.' "*" 



. phvlogenetic development of the 



HernctitieUi'l (h.icluospouges as in- 

 dicated by the ontogeny of an Up- 

 per Devonian species Igo 



Reference to speech at dinner by. . . oU 



Clastic sediments. Mechanical composi- 



tion of • • • • 6'^^ 



I'LEAVELAND. P.. Coastal plain geology 



bv 160 



Clemexts. J. M.. cited on ellipsoidal 



basalts 614 



Ely greenstones 615 



— origin of pillow lavas 638 



Clexdenix. . Geological work in 



Louisiana of 1~3 



Climatic changes. Effect on Glacial 



period 556 



— — in Yucatan and Guatemala 539 



. Possible explanations of _544 



. Solar hypothesis of 47-82 



— oscillations" in Permo-Carboniferous 



beds of Texas 41 



— provinces of the United States west 



of the Rockies : W. G. Reed 124 



— pulsations 532 



— - vardstick. Use of trees as a 529 



— "zones. Shifting of 540-541 



Clixtox. Medina, and Cataract. Con- 

 tacts between 292 



— - oolitic iron ore 768 



Close of the Cretaceous and opening of 

 Eocene time In North America : 

 H. F. Osborn 321 



Cloudixess in regions having tempera- 

 ture anomalies. Chart of 582 



COAL-BEARIXG Eocene of western Wash- 

 ington. I. Pierce Countv ; W. F. 

 Jones 121 



formations of Utah. Wyoming. 



and New Mexico 345 



— . Mode of deposition of 58 



Coast ranges of California. Glaciatlon 



in 120 



Coastal Plain geology. Pioneers in ... . 157 



— subsidence in New England 6J 



Page 

 Coastal subsidence. The problem of . . . 59 

 Cohx. F.. cited on formation of pisolite 747 

 CoLE.'G. A. J., cited on origin of pillow 



lavas 638 



pillow structure 599, 602 



silica replacement 60S 



CoLBMAX, A. P.. Discussion of age of 



I^ake Ontario by 36 



Colorado glaciation by 31-32 



-^deformation of Ontario region 



by 66 



earth movement in Minnesota 



by 35 



— pillow lava by 33 



— ; Length and character of the earliest 



interglacial beds 71 



— - cited on Carboniferous conglomerate 



of Alaska 201 



glacial features near Toronto. 206 



Collier. ^A. J., cited on Devonian lime- 

 stone of Alaska 193 



CoLLixGwooD section. Ontario 318 



Colorado. Continuity of marine sedi- 

 mentation in 345 



— . Early Tertiary glaciation in 31 



— epoch. Coal-bearing formations of 



the 345 



— epoch. Crustal oscillations during 



the 344 



— group. Conglomerate of the 346 



— . Mammal-bearing beds of 325 



— -. Mesa Yerde formation in 345 



CoMPARisox of the oysters of the 



lower and upper horizons of the 

 Miocene of the Muir syncline : 

 W. Y. Cruess 154 



CoMPOSiTiox of bornite and its relation 

 to other sulpho-minerals ; E. H. 

 Kraus 90 



CoxcEPTiox Bav. Manganese deposits 



of 73 



CoxGLOMERATE, Characteristics of a cor- 

 rosion 265 



— of the Galena formation 269 



— - — — ■ — Trenton series 265 



CoxxECTicrT and Hudson valleys. Sub- 

 mergence of the 63 



— . Mastodon found in 143 



— . Pillow lavas of 622 



— Yalley. Devonian of the 126 



: Glacial meanders. oxbow§, and 



kettles in 232 



. Marine submergence of 219 



CoxRAD. T. A., cited on Medina forma- 

 tion 285, 286 



sandstone 298 



— . Geological work of 161 



in Florida of 174 



— Georgia of 174 



Louisiana of 172 



— . Medina fauna described by 288 



CoxRAD-s term Niagara sandstone, Ref- 

 erence to •. 286 



CoxsTiTCTiox of the Geological So- 

 ciety 93 



Cope. E. D.. cited on Judith River 



fauna 393 



Paleoeene 399 



— . Inadequacy of classification of dino- 

 saurs by 378 



— . Reference to reconstruction of cama- 



rosaurus by 143 



Copper Mine Hill, Geological section 



through 469 



Coral-reef tract of Florida compared 



with other coral-reef areas 41 



Cordillerax" Section. Proceedings of 



the meeting of the 119 



CoRX-ELius. E.. Coastal Plain geology 



by 160 



'— . Geological work in Georgia of 173 



