936 



NEW YORK STATE MUSEUM 



Leaves, in clay beds, 576*, 594=, 605*, 

 610^; illus. facing p. 611, 820; in 

 sandstone, 596*, 605^ 



Le Chatelier's thermoelectric pyrom- 

 eter, 560^-61^ 



Lefever Falls, stratification, 580'. 



Lemberg, J., on kaolinization of feld- 

 spars, 498*. 



Leroy, shale, 831^. 



Lester, A., brick yard, 718', 772'. 



Levant, clay deposits, 576^. 



Lewis county, shale, 826*. 



Lewiston, clay deposits, 575^ j shale 

 beds, 827'-28\ 



Lignite, in clay, 596*, 609'. 



Lignitic shales, in Louisiana, 619*. 



Lime, in clay, 506°-7*, 51 1^ 512*, 520'- 

 23^ 547', 565», 568», 569^ 652», 86P; 

 in brick clay, 523^ 569S 636^ 640=, 

 641*; separation from clay, 634', 

 728'; sulfates of, 680*. Bee also 

 Analyses. 



Limestone, 520^ 582S 584*, 587="; peb- 

 bles, 573", 585^ 722», 723^ 



Limonite, 516S 585^ 603'. See also 

 Iron oxid. 



Linden, clay deposits, 574*. 



Lithia, 512". 



Lithium, 51 P. 



Littlefield, C. H., brick yard, 70 P. 



Little neck, stoneware clay, 602^ 817*, 

 820"; illus. facing p. 819-20; clay de- 

 posits, 605'. 



Lloyd's neck, sponge spicules, 599^ 



Loams in Alabama, 611'. 



Locke, F., manufacturer of electric 

 supplies, 824^. 



Lockport, shale, 828". 



Lockport brick co., 722*. 



Lockville, shale, 829'. 



Locomotive, haulage with, 633^ 



Locomotive blocks, 613°. 



Locy Bros., brick yard, 727', 728\ 



Loess, per cent of quartz in, 525*; in 

 Colorado, 613^; in Kansas, 617^; in 

 Missouri, 622'. 



Long Island, glacial origin, 606'; cost 

 of producing brick, 685'; brick 

 yards, 733"-42'. 



Long Island brick co., 736*. 



Long Island City, pottery works, 823'. 



Long Island clays, 495=, 572^ 573^ 

 595"-607°, 629=, 823*; probable geol- 

 ogic history, 605'; stoneware clays, 

 817'-22''; terra cotta clays, 761^ 



Lonac Island sound, preglacial origin, 

 607^ 



Longbottom, G., brick yard, 735'. 



Louisiana, clay deposits, 618*-19*. 



Low point, terrace, 586°; delta depos- 

 its, 588'; brick yard, 697'. 



Lowe, J. R., clay bank, 726''-27^ 



Lyons, brick yard, 718*. 



Lyons pottery co., 824'. 



Lyth, John, & Sons, sewer pipe works, 



769^ 835=; illus. facing p. 767-69, 



774. 



McCabe Bros., brick yard, 742'. 



McCarthy, T., brick yard, 706*. 



McConnellsville, fullers' earth, . 849'- 

 50^ 



McDuffie, H., brick yard, 714*. 



Machines, 495*; used in manufacture 

 of brick, 654'-55", 689*; used in 

 manufacture of pottery, 804'. 



McLean, Alexander, brick yard, 

 702'-3\ 



Madison county, brick yards, 715', 

 731"; drain tile works, 771". 



Madrid, brick yard, 712'; clay depos- 

 its, 575", 712'. 



Magnesia in clay, 511*, 523*-24», 565", 

 861*; in brick clays, 524*, 569S 640=. 

 See also Analyses. 



Magnesite, 508', 512*. 



Magnesite bricks, 784*, 785'. 



Magnesium, 512*. 



Magnesium sulfate, 524', 680*. 



Magnetite, 509*. 



Magnets, use of, 635=- 



Maine, R., & Co., brick yard, 699*, 700'. 



Maine, clay deposits, 619'. 



Majolica, 798*, 815=. 



Maiden, clay deposits, 578®, 700*; 

 brick yard, 7001 



Malley, R., brick yard, 694=. 



Manchester, D. S., brick yard, 699*. 



Manganese, 512*, 639'. 



Manganese brick, 646*. 



Manganese oxid, 511=, 512*, 567', 777". 



Maplewood, brick yard, 722^. 



Mareellus shale, 830°-31*. 



Markets, for bricks, 687*. 



Marl, 507", 508', 640'. 



Maryland, clay deposits, 619'. 



Massachusetts, clay deposits, 620^. 



Mastodon bones, 583^. 



Mather, W. W., on leaves in clay beds, 

 594'. 



Meade, J. V., brick yard, 697*; clay 

 bank, illus. facing p. 592. 



Mechanical analysis of clays, 561=-63'. 



Meehanicville brick co., 708*. 



Mecusker, M. J., & Son, brick yard, 

 725*. 



Medina shales, 825', 826°-28i. 



Merrick, C. H., brick yard, 715'. 



Merrill, F. J. H., on clay near Far- 

 mingdale, 605^; on clay at Gar- 

 diner's island, 603*; on delta depos- 

 its of Hudson river tributaries, 

 588*-89"; on geologic history of Hud- 



