20 W. UPHAM — DRUMLINS AND MARGINAL MORAINES. 



cent portions of northeastern Massachusetts and southwestern Maine 

 were also noted on this map. 



Professors Shaler, Wright, Hitchcock, and Davis, and the present writer, 

 have described the druniKns of Boston and neighboring areas, where they 

 are admirably developed.* During the years 1890 to 1893 the drumlins 

 of the entire state of Massachusetts have been mapped and carefully 

 studied by Mr George H. Barton, under the direction of Professor N. S. 

 Shaler, for the United States Geological Survey.f Their total number is 

 found to be nearly 1,800, counting, as in New Hampshire, the separate, 

 rounded summits of compound drumlin aggregations, where two or three 

 of these hills, or sometimes more, are merged together at their bases. 



From the vicinity of Spencer, Massachusetts, a series of abundant 

 drumlins, according to Davis, extends south to Pomfret, in northeastern 

 Connecticut. They probably also occur plentifull}^ in other parts of 

 this state, reaching southward to Long Island sound, for Round hill, in 

 Orange, near New Haven, described by Professor J. D. Dana, appears to 

 be a drumlin. j: 



New York has a magnificent area of drundins, perhaps the most in- 

 teresting in the United States, which stretches more than 60 miles, from 

 Syracuse westward nearly to Rochester, lying between the south side of 

 lake Ontario and the Finger lakes. § These hills are well seen along the 

 New York Central and West Shore railroads. Another area of drumlins, 

 occurring in less profusion and less diversity of forms, lies in Jefferson 

 county, l)etween the east end of lake Ontario and the Adirondacks. || 



In the drift-covered northern part of New Jersey drundins are infre- 

 quent, only two examples being mentioned by Professor R. D. Salisbury 

 in his preliminary paper on the Pleistocene formations of that state.^ 



No drumlins have been found in Ohio, Indiana, and Illinois, by Mr 

 Frank T^everett, Professor G. F. Wright, and others, who have thoroughly 



*N. S, Slialer: Proc. Bost. Soc. Nat. Hist., vol. xiii, 1870, pp. 19G-204. IlliLstrations of the Earth'.? 

 Surface: Glaciers, 1881, pp. 6()-G.3. U. S. Geol. Survey, Seventh Ann. Rep. for 1886, pp. 321,322; 

 Ninth Ann. Rep. for 1888, pp. 550, 551. 



G. F. Wright: Proc. Bo.st. Soc. Nat. Hist., vol. xix, 187G, p. 58, and vol. xx, 1879, p. 217. The Ice 

 Age in North America, 1889, chapter xi. 



C. H. Hitchcock : Proc. Bost. Soc. Nat. Hist., vol. xix, pp. G3-67. 



W. M. Davis: Illustrations of the Earth's Surface: Glaciers, text describing plate xxiv. Proc. 

 Bost. Soc. Nat. Hist., vol. xxii, 1882, pp. 34, 40-42. Science, vol. iv, pp. 418-420, Oct. 31, 1884. Am. 

 Jour. Sci., Ill, vol. xxviii, pp. 4()7-41G, Dec, 1884. 



Warren Upham : Proc. Bost, Soc. Nat. Hist., vol. xx, 1879, pp. 220-234; vol. xxiv, 1888, pp. 127-141; 

 and same vol. xxiv, 1889, pp. 228-242. Am. Jour. Sci., Ill, vol. xxxvli, pp. 359-.372, May, 1889. Am. 

 Geologist, vol. x, pp. 3.39-3G2, Dec, 1892. 



t Bull. Geol. Soc. Am., vol. G, 1894, pp. 8-13. 



J Am. Jour. Sci., Ill, vol. xxvi, 1883, pp 357-3G1. 



gL. Johnson: Trans. N. Y. Acad. Sci., vol. i, 1882, pp. 78-80; Annals, do., vol. ii, pp. 249-2G6, with 

 map. D. F. Lincoln : Am. Jour. Sci., Ill, vol. xliv, pp. 290-301, Oct., 1892. 



II Bull. Geol. Soc. Am., vol. 3, 1892, p. 142. 



^Geol. Survey of New Jersey, Ann, Rep, for 1891, p. 74. 



