442 Index 
Lakes — Continued., 
Lake Groton, glacial, 415. 
Lake Ithaca, glacial, 413, 416. 
Lake Newberry, glacial, 412, 416. 
Lake Seneca, glacial, 412. 
Lake Warren, glacial, 413, 417. 
West Danby Lake, glacial, 413. 
Lansing overflow channel, 416. 
Leverett, F., ref. to, 436. 
Long Island, 436. 
Loops, valley, 
governing factors of, 351, 352. 
examples of, 354-366. 
outlines of, 352, 353. 
Michigan lobe, 413. 
Moraine, 
collar, 390. 
governing factors, 346-350. 
ground, 380. 
kame, 393, 395, 433. 
lateral, 349. 
loops, 354-366. 
terminal, 381-391. 
terraces, 367. 
New Jersey, Geol. Surv., ref. to, 393, 436. 
New York State Museum Bull., ref. to, 367, 
413^ 434» 436- 
Nunatak drift, 388-391. 
Ontario, 
basin, 350. 
lobe, 412 
Outwash plains, 393. 
Owasco Lake, 346. 
Owasco lobe, 392, 415, 426. 
Parallel ridges of drift, 391. 
Pennsylvania, 436. 
Plucking, ice, 419. 
Popular Science Monthly, ref. to, 436. 
Post-glacial, tilting, 418. 
Residual soil, 424, 426. 
Retreatal ice-halts, 354, 362. 
Salisbury, R. D., ref. to, 349, 370, 388, 393, 436. 
Six mile Creek, 377, 413, 414. 
Solifluction, 367, 368. 
Spencer, J. W., ref. to, 350. 
Strias, 
Indicating ice-movement, 428, 429. 
list of readings, 431. 
Subglacial, 
deposits, 398. 
drainage, 395, 400. 
Swamps, 399, 400. 
Tarr, R. S., ref. to, 346, 350, 353, 366, 367, 369, 
37L 379> 383^ 385^ 390» 40i> 4^1, 437- 
Taylor, F. B., ref. to, 350, 413. 
Turkey Hill, 377, 414, 415, 417, 418. 
U. S. Geological Survey, ref. to, 350, 369, 428, 
436- 
Valley train, 376, 392. 
Veatch, a. C., ref. to, 436. 
Watson, T. L., ref. to, 367, 377, 406, 414, 417. 
Weathering, postglacial, 389. 
Well records, 380, 394. 
suggesting pre-Wisconsin drift, 438-441. 
White Church spillway, 413. 
Woodworth, J. B., ref. to, 436. 
WooLSEY, L. H., ref. to, 436. 
