996 



BULLETIN OF THE GEOLOGICAL SOCIETY OE AMEHlCA 



Page 

 Lawson^ a. C, cited on California chert 



formations 831 



— ■ thorium-lead 877 



Lbad^ Accumulation of 849 



Lee^ WiLiiis T. ; General stratigraphic 

 break betn^een Pennsylvanian and 



Permian in western America 169 



Lehman, , cited on stratigraphy. . 735 



Leith, C. K., Acknowledgments to 421 



- — cited on classitication of metamor- 



phic rocks 452-453, 457 



measurement of geologic time.. 783 



metamorphism 383 



Precambrian geology 861 



sedimentation 784 



— , Discussion of metamorphism by. . . . 127 



Lembert, , cited on atomic weight 



of lead 849 



Lepsius, R., cited on metamorphism. . . 402 

 Letter from Warren Upham on records 

 of Lake Agassiz and Ontario, Can- 

 ada 140 



Leverett, Frank, Discussion of Appa- 

 lachian peneplains by 128 



— method of measuring post-Gla- 



cial time by 141 



records of Lake Agassiz and 



Ontario, Canada, by 146 



— ; Glacial formations in the western 



United States 143 



Lewis, Jr., Elias, cited on geology of 



Long Island 282 



Lincoln, A. T., cited on allanite 492 



Lincoln, Benj., cited on early oil fields 



of Pennsylvania 620 



Limestone beds of central New York. . 131 



— , Deformation of 163 



— , Ordovician of central Pennsylvania. 166 

 LiNDGREN, W., cited on metamorphism. 384 



List of members 177 



Little, H. P, ; Pleistocene and post- 

 Pleistocene geology of Waterville, 



Maine 167, 309 



Local glaciation in Catskill Mountains 



discussed by J. W. Goldthwait. 133, 136 



R. S. Lull 136 



J. L. Rich 133 



■■ Frank B. Taylor. . . 133 



■ — glaciers in Vermont discussed by G. 



D. Hubbard 135 



J. L. Rich 135 



G. F. Wright 135 



Lockport-Gdelph section discussed by 



Marjorie O'Connell 173 



— M. Y. Williams 173 



in the barge canal at Rochester, 



New York ; George Halcott Chad- 

 wick 172 



LocKYER, N. J. S., cited on solar activ- 

 ity 825 



Logan, W. E., cited on Gaspe Peninsula 



rocks 325 



Logan, Sir W., cited on oil in igneous 



rocks 592 



LOMAR, , cited on continental de- 

 posits 742 



Long Island, Geological bibliographv of 



307. 308 



, Marine submergence of 279 



- — — ; Post-Glacial submergence of 142 



LooMis, F. B. ; South Carolina mastodon 210 

 Lord Acton cited on majority i-ule. . . . 246 

 Lord Kelvin cited on age of the sun. . . 901 



geologic time 810-883 



Lory, C, cited on metamorphism 402 



LossEN, , cited on metamorphism . . 379 



Page 

 Louisiana, Oil fields of 561, 565, 709 



— — - map of 705 



Low, a. p., cited on metamorphism. . . . 402 

 Lower and Middle Cambrian faunas of 



the Mohave Desert ; C. W. Clarke . . 230 



— California, Fauna from 223 



— Paleozoic rocks of the southern New 



Mexico region ; N. H. Darton 172 



Lowl, F., cited on metamorphism 403 



Lucas, A. F., cited on dome theory of 



Coastal Plain 575, 579, 587 



Lull, R. S. ; Barasaurus : a gigantic 



sauropod dinosaur 214 



— ; Brontotherium : a new mount in the 



Yale Museum 214 



— cited on composite rhythm in diastro- 



phism 890, 898 



— , Discussion of local glaciation in 

 White Mountains, Adirondacks, and 



Catskills by 136 



— ; Horned Artidactyl from the Ter- 

 tiary of Nebraska 211 



— ; The pulse of life 197 



Lyell, , cited on length of geologic 



period 901 



geological series 810 



— measurement of geologic time . . 749 



metamorphism 377 



sea deposits 738 



Mackie, , cited on continental de- 

 posits 742 



Mackintosh, , Analyses of ura- 

 nium minerals by 863-864 



Maine, Pleistocene and post-Pleistocene 



geology of 167, 309 



Malcolm, W., cited on Canada oil fields. 726 

 Malladra, a., cited on Vesuvius. .. 271, 274 



Mallet, J. W., cited on allanite 475 



metamorphism 380 



Manchuria, Coal deposits of 130 



Manitoba, Records of Lake Agassiz in. 145 



Map of Brazil by J. C. Branner 127 



Marine elastics, Diagnostic characteris- 

 tics of 162, 207, 9u5 



Marrey, -, cited on origin of oil ... . 731 



Marthas Vineyard, Absence of bars on. 285 

 Martin, Lawrence ; Rock terraces in 



the drif tless area of Wisconsin .... 148 

 Maryland, Distribution of allanite in. . 475 

 Maso, Sadera, cited on Philippine geol- 

 ogy 528 



Massachusetts, Distribution of allan- 

 ite in 468 



— , Glacial slate of 152 



Mastodon discussed by Brown . . . 211 



W. D. Matthew 211 



J. C. Merriam 211 



— from South Carolina 210 



Mathews, E. B. ; "Deeps" in the chan- 

 nel of the lower Susquehanna River 



151, 335 



Matson, G. C, cited on Louisiana oil.. 709 

 Matthew, W. D., cited on origin of 



White River beds 742 



time ratios in evolution of 



mammalian phyla 814 



— ; Discussion of fossil mammals by. . . . 210 

 geological education of engi- 

 neers by 138 



mastodon 211 



— : Gigantic megatherium from Florida. 212 



— ; Introduction of II. .1. Cook 213 



— ; Later Tertiary formations of west- 

 ern Nebraska 197 



