INDEX 



463. 



Leacochila fallax, 248, 252, 255-257, 282, 



308, 339, 347, 352, 358, 388. 

 Leverett, 3, 4, 6, 8, 9, 15, 18, 19, 20, 61, 63-66, 

 68-70, 73, 74, 78, 86, 105, 106, 112, 117, 

 123, 125, 126, 129, 134, 142, 199, 200- 

 202, 239, 240, 246-248. 253, 269, 271, 272, 

 277, 283, 286, 287, 288, 290-298, 301, 305, 

 306, 311, 320, 322, 344, 345, 354, 366, 

 400, 401, 403. 

 Limacid, 144, 189, 389. 

 Limnea longiscata, 147. 

 Limnea minima, 147. 

 Lincoln Avenue, Chicago, 23, 60, 73. 

 Lincoln Park, Chicago, 64, 80, 108. 

 Lindley, 129. 



Lioplax cyclostoniatiformis, 273, 281, 385. 

 Liquidambar straciflua, 211, 380. 

 Liriodendron tulipifera, 211, 380. 

 Lithospermum, 267, 280, 382. 

 Little, 177. 

 Littorina palliata, 14. 

 Lockport, Chicago, 77, 80. 

 Lock wood, 168. 



Loess fossils, characteristics of, 360-363. 

 Loess formations, table of, 363, 364. 

 Loess deposits in Chicago, 100. 

 Loess deposits. 



IUinoian (Sangamon) 

 Illinois, 296, 297, 298. 

 Indiana, 306-309. 

 Iowa, 287, 288. 

 Iowan (Peorian). 

 Illinois, 351. 

 Indiana, 354. 

 Iowa, 347, 348. 

 Missouri, 355, 356. 

 Nebraska, 349. 

 Kansan (Yarmouth).. 

 Illinois, 271. 

 Iowa, 251-257. 

 Missouri, 266. 

 Nebraska, 259. 

 Wisconsin (Postglacial). 

 Illinois, 183. 

 Iowa, 183. 

 Wisconsin, 183. 

 Logan, W., 322. 

 Loricera exita, 331, 340, 391. 

 Loricera glacialis, 331, 340, 391. 

 Loricera lutosa, 331, 340, 391. 

 Loveland formation, 247, 239. 



Low, 177. 



Lucas, 234. 



Lull, 171. 



Lunatia heros, 14. 



Lutra canadensis, 374. 



Lutra rhoadsi, 208, 215, 397. , 



Lycopodium, 332, 334, 335, 377. 



Lycopodium selago, 170, 184, 377. : 



Lymnaea, 2, 6, 10, 73, 122, 127, 155, 181, 

 290, 332, 361. 



Lymnaea stagnalis appressa, 23, 25, 27, 29,- 

 30, 33, 35, 39, 56, 59, 72, 81, 88, 89, 91 

 95, 99, 103, 135, 136, 138, 140-144, 160, 

 162, 163, 178, 188, 261, 289, 338, 387. 



Lynx rufus floridanus, 374. 



Lyons, 111., 77, 80. 



IM 



Mammut 



Macbride, 228, 231. 



MacCurdy, 374. 



Mackinac Straits, 113. 

 ^jH(Machaerodusjgracilis, 208, 215, 398. 



Machaerodus mercerii, 218, 215, 398. 



Madura aurantiaca, 329, 330. 



Madura pomifera, 329, 336, 380. 



Macoma balthica, 179, 182. 



Macoma groenlandica, 14, 176, 179-182. 



Madawaska Valley, 116. 



Magnolia, 211, 380. 



Mammoth, 11, 16, 18, 61, 69, 104, 108, 109, 

 128, 132, 141, 145, 146, 153, 163, 166, 250, 

 253, 258, 288, 299, 300, 301, 333. 



americanum, 85, 100, 121, 130- 

 132, 135, 142, 158, 173, 174, 191, 208, 

 210, 214, 226, 243, 258, 267, 271, 276, 

 283, 289, 300, 311, 313, 315, 325, 333, 

 341, 354, 359, 371, 374, 396. 

 ^ A 1 } Mammut progenium, 226, 243. 



Man in Pleistocene, 373. 



Manistee moraine, 75, 105, 118. 



Marcy, O. C, 2, 4, 5, 10, 12, 16, 17, 18, 61, 

 64,90. 



Marine life in Chicago, 12, 13, 14, 19, 79. 



Marine postglacial deposits, 177, 180, 181. 



Marmota monax, 259, 396. 



Marquette, 75. 



Mason, 256. 



Mastodon, 11, 16, 18, 69, 104, 108, 109, 128, 

 130, 132, 141, 145, 150-155, 163, 167, 168, 

 170, 173, 176, 231, 258, 275, 298, 299, 

 300, 333. 



Mastodon americanus, see Mammut. 



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