INDEX TO VOLUME iS 



703 



Pag'e 



KooxTz, Thickness and character of 



coal bed at 46 



KuMMEL. H. B., cited on contacts of 



the Palisade sill 205 



— Sand Brook and New German- 

 town traps 203 



— ■ structure of Cushetunk and . 



Uound mountains 208 



— ■ traj) rocks of the Newark sys- 

 tem ' . . 201 



Kuxz, George F., Title of paper bv. . . 64f) 



KvANDALS glacier, Erosion of ....."... 424 



Lacuna neritoidea, Location of . . . . 520-521 

 Lake Superior region, Character during 



Huronian period of 407 



, Occurrence of folding in 407 



intrusions in 400 



, Stratigraphy of 401 



— Winnipiseogee, Stratification at.... 509 

 Lambert records. Comparison of Brier 



Hill records with 114,115 



La Mesa, Volcanic depressions in 211 



Landslides and "rock streams," Occur- 

 rence of 431 



— , Cause of 431 



Lane, A. C, Acknowledgments to 386 



— cited on erosion in Michigan rivers. . 



:r47. 348 

 — , Genetic relations of some granitic 



dikes 644-648 



— .Record of remarks by.... 622,642,644 

 LaphaMj I. A., Reference to reports of. 192 

 Lateral erosion on Battle run.... 341-343 



Huron river 343 



— ■ Lower Rouge 337, 338 



Michigan rivers, Cause of. 347-350 



Middle Rouge 338,339 



North branch of the Rouge . . . 340 



Paw Paw river 346 



Raisin river 343-346 



river Rouge 336, 337 



some Michigan rivers, by Mark 



.Jefferson 333-S50 



Laurextia, Composition and extent of 



the 393, 394, 397 



— , Occurrence of intrusives in rocks 



of 408 



Lawson, a. C, Election of 656 



Lea, , cited on amphibian foot- 

 prints in the Mauch Chunk forma- 

 tion 460 



Lead and zinc ores in Missouri, Origin 



of 637 



Lebanon' glacier, by G. Frederick 



Wright (abstract) 637 



Leda arctica. Location of 520-521 



— biiccata. Location of 520-521 



— -tenuisiilcata, Location of 520-521 



•' — clay." Use of term 528 



— truncata. Origin of term "Leda 



clay" 529 



Lee, Vv'illis T.. Afton craters of 



southern New Mexico 211-220 



— cited on gypsum beds in the Pecos 



valley of New Mexico 



— , Reference to paper by 



— . Title of paper by 



Leeds, A. R., Analyses of anorthosite 

 by 486, 



Leitlinien. Continental structure ana- 

 lyzed by aid of 392 



Leprdlia anruiJata, Location of. . . . 520-521 



— Jijjalina, Location of 520-521 



■ — nitifia, Location of 520-521 



— variolosa. Location of 520-521 



Lesley. .T. P.. cited on a coal bed in 



the Broad Top area 112 



calcareous concretions in Ken- 

 tucky 148 



220 

 213 



642 



487 



Page 

 Lesley. .7. P., cited on examination of 



Salisbury coal basin 47 



Pittsburg coal bed In Broad 



Top area 45 ' 



— ■ shales in Kentucky and West 



Virginia 148 



— quoted on origin of Mauch Chunk 



formation 463 



Lesqubreux, L., cited on coal flora qf 



Pennsylvania '. 143 



flora in the anthracite region 



of Pennsylvania 169 



the flora of Alabama 169 



— , Reference to catalogue of Coal 



Measures plants by 169 



Leverbtt, F., Record of remarks by... 641 

 Lewis, .Ioseph Volnby, cited on the 



Newark copper ores of New Jersey. 210 



— elected Fellow 570 



— ; Structure and correlation of New- 



, ark trap rocks of New Jersey. 195-210 



— , Title of paper by 654 



Librarian, Report of 569 



Library, Accessions to 671-680 



Limbless ocean of pre-Cambrian time, 



The 624 



Limestones in Greene county, Penn- 

 sylvania 110 



— of the Allegheny formation.... 152,153 



Dunkard formation 99 



Monongahela formation .... 34-91 



Washington formation. Char- 

 acter of 162 



— • — Westchester and Putnam coun- 

 ties. New York 653 



Lwciiino hei'os. Location of 520-521 



Liquids and gases. Mechanical concen- 

 tration of 11 



Lisbon-Irwin basin. Measurements of 



coal areas in the 55 



— coal basin. Comparison of mining 



operations in 57 



of the Monongatiela forma- 

 tion 54-58 



Litchfield Park, Anorthosite outlier 



in 483 



Little Boar's head. New Hampshire, 



Analysis of section at 519 



, Underlying sand and gravel 



at .'..! 519 



.Wave-cut section at 524 



— Snake hill. Connection with the Pal- 



isades sill of 207 



— ■ Wavnesburg coal bed, Occurrence 



and thickness of 42, 52, 53, 68 



Livingstone. New Jersey, Section of 



trap rocks at 201 



Llano region of Texas. Character and 



extent of 394, 398 



Locke. John, Reference to reports of. . 192 



Lodore shales. Description of 436 



, Uinta range. Age. character and 



thickness of 432 



, View showing 436 



LOEN and Olden lakes. Sketch map of 



the 415 



— , Norway. Climatic conditions at. . . . 424 



— resion. Running water at 425 



Loess. Deposits on Kuen Lun moun- 

 tains of 359 



Lof.teld mo\intain top. Erosion on. 424, 425 



Logan. Sir William E., Personal rem- 

 iniscences of (abstract) 622 



Lonaconing, Thickness and character 



of coal bed at 46 



Lop basin, Chinese Turkestan, Sections 



illustrating deposits of . . . 369-374, 385 



. Unconformities and buried 



sands of 371 



— , Chinese Turkestan, Character of 



lake and basin of 368 



