INDEX 



471 



Mad, 200. 



Maumee, 142. 



Memominee, 120. 



Milwaukee, 120. 



Minnesota, 117. 



Mississippi, 68, 69, 83, 110, 111, 113, 140, 

 164, 198, 199, 200, 202, 205, 403. 



Missouri, 110. 



Mohawk, 86, 113-115, 150. 



Muskingum, 200. 



Newberry, 199. 



Niagara, 115, 147, 148, 149, 199, 201, 



401. 



Ohio, 110, 200, 403. 



Pawpaw, 111, 139, 140. 



Pecatonica, 200. 



Raisin, 84, 148. 



Rock, 110, 112, 200. 



Rock}', 200. 



Saginaw, 201. 



Spencer, 199. 



St. Clair, 115, 116, 198. 



St. Croix, 68, 111. 



St. Joseph, 111, 139, 140, 141. 



St. Lawrence, 83, 111, 115, 116, 148, 201, 



205. 



Tennessee, 199. 



Vermilion, 200. 



Wabash, 68, 110, 112,200, 



Wisconsin, 58, 83, 192. 



Wolf, 75. 

 Riverdale, 111., 106. 

 Riverside, HI., 77. 

 Robertson, 16. 



Robinia pseudoacacia, 329, 336, 381. 

 Rochester, N. Y., 105, 199. 

 Rocky Mountains, 199. 

 Rogers Park, Chicago, 78, 80, 96. 

 Rome, N. Y., 114. 



Rose Hill bar, Chicago, 74, 78, 80, 108. 

 Rose Hill cemetery, Chicago, 80. 

 Rotundaria tuberculata, 23, 26, 30, 32, 34, ', 



37, 38, 40, 54, 82, 85, 87, 96, 101, lZST. 



186, 193, 382. * 



Rotundaria verrucosa, 125. 

 Russell, 138, 259, 321. 



Saal, Adam, 301. 



Sag low water stage, 86, 105, 108, 109. 



Sag outlet, 88, 92, 94. 



Saginaw Bay, 112, 198. 



-K 



Sagittaria latifolia, 81. 



Salisbury, 12, 20, 111, 117, 183, 194, 206, 



216, 217, 219, 220-223, 285, 365, 344, 352, 



373, 375. 

 Sampson, 170, 355, 356. 

 Sandy Hook, 198. 

 Salix, 329, 332, 336, 379. 

 Salix cutleri, 170. 

 Salix reticularis, 325. 

 Salix uva-ursi, 170, 185, 379. 

 Sangamon interval, 118, 210, 219, 239, 240, 



248, 251, 252, 258, 262, 266, 269, 270, 



277, 328, 330, 333, 346, 347, 357, 360, 



368, 370, 374-376, 402, 403. 

 Sangamon interval. 



Canada, 323-325, 328-330, 332-335. 



Illinois, 285, 286, 289-294, 297-300. 



Indiana, 301-311. 



Iowa, 286-289. 



Kentucky, 314, 315. 



Massachusetts, 326, 327. 



Michigan, 320-322. 



Minnesota, 320. 



New England, 326, 327. 



New York, 322-326. 



Ohio, 311-316. 



Vermont, 326. 



Wisconsin, 317-319. 

 Sangamon soils, 65, 107. 

 Sangean Clay, 333. 

 Sauer, 294. 

 Savage, 125, 127, 291, 292, 298, 228, 231, 



234, 272. 

 Say, 147. 

 Sayler, 234. 

 Saxicava, 177. 



Saxicava arctica, 14, 176, 180, 182. 

 Saxicava rugosa, 176. 

 Saxicava Sand, 180. 

 Saxinus regularis, 170, 190, 393. 

 Scala groenlandica, 14. 

 Scalops,; 208, 214, 397. 

 Scalopus aquaticus australis, 374. 

 Scarboro Bay, 330. 

 Scharf, 15, 79, 192. 

 Schlicht, 142. 



Scirpus, 27, 81, 91, 101, 185, 379. 

 Scirpus fluviatilis, 332, 336, 379. 

 Sciurus calycinus, 208, 214, 396. 

 Scott, 169, 372. 

 Scovill, 276. 



