362 



GEOLOGY. 



A terminal moraine (Vol. I, pp. 299-301) is made where the edge 

 of the ice remains nearly stationary in position for a considerable 

 period of time. In constitution it may be very like the adjacent ground 



Fig. 496. — Drumlins shown in contour near Clyde, N. Y. (U. S. Geol. Surv.) 



moraine, though there is often a larger proportion of stratified drift 

 associated with it. In topography it is somewhat distinctive. It 



New Jersey, 1902; Lincoln, Am. Jour. Sci., Vol. XLIV (1892), pp. 293-6; Tyrrell, 

 Bull. Geol. Soc. Am., Vol. I (1890), p. 402; Barton, Am. Geol., Vol. XIII (1894), p. 

 224; Frank Leverett, Monogrs. XXXVIII and XLI, U. S. Geol. Surv., and Russell, 

 Amer. Ceol., Vol. XXXV (l r 0^, n. 177. 



