A REFERENCE LIST OF SOMMARIES SII 
WINCHELL, N. Hi. 
The crystalline rocks. (Twentieth Ann. Rept. Geol. and Nat. Hist. Surv. 
Minn., for 1891, pp. 1-28. 1892.) Summarized Journ. of Geol., vol. 2, 
p. 446. 
On the Norian of the northwest. (Prefatory note to Bull. Geol. and Nat. 
Hist. Surv. Minn., no. 8, 1893, pp. iii-xxii.) Summarized Journ. of 
Geolsavoliai,, p..300. 
The origin of the Archean greenstones. (Twenty-third Ann. Rept. Geol. 
and Nat. Hist. Surv. Minn., for 1894, part 2, pp. 4-35. 1895.) Sum- 
marized Journ. of Geol., vol. 4, p. 753. 
Crucial points in the geology of the Lake Superior region. (Am. Geol., 
vol. 15, 1895, pp. 153-162, 229-234, 295-304, 356-363; and vol. 16, 
1895, pp. 12-20, 75-86, 150-162, 269-274, 331-337.) Summarized 
Journ. of Geol., vol. 4, p. 754. 
Some new features in the geology of northeastern Minnesota. (Am. 
Geol., vol. 20, 1897, pp. 41-51.) Summarized Journ. of Geol., vol. 7, 
p- 194. 
The origin of the Archean igneous rocks. (Abstract in Proc. Am. Assoc. 
Adv. Sci., vol. 47, 1898, pp. 303-304. Published also in Am. Geol., 
vol. 22, 1898, pp. 299-310.) Summarized Journ. of Geol., vol. 7, 
p-. 194. 
The oldest known rock. (Abstract in Proc. Am. Assoc. Adv. Sci., vol. 
47, 1898, pp. 302-303.) Summarized Journ. of Geol., vol. 7, p. 193. 
The significance of the fragmental eruptive débris at Taylor’s Falls, 
Minnesota. (Am. Geol., vol. 22, 1898, pp. 72-78.) Summarized Journ. 
of Geol. vol: 7; p. 192: 
Some resemblances between the Archean of Minnesota and of Finland. 
(Am. Geol., vol. 21, 1898, pp. 222-229.) Summarized Journ. of Geol., 
Vl, ps1 05: 
WINSLow, A. 
The geology and mineral products of Missouri. (From “ Missouri at the 
World’s Fair.” Official publication of the World’s Fair Commission 
of Missouri.) Summarized Journ. of Geol., vol. 2, p. 117. 
WOLFF, J. E. 
Geological structure in the vicinity of Hibernia, New Jersey. (Ann. 
Rept. Geol. Surv. of N. J., for 1893, pp. 359-369. 1895.) Summarized 
Journ. of Geol., vol. 4, p. 369. 
Report on Archean geology: the eruptive rocks of Sussex county, New 
Jersey, with reference to their economic value. (Ann. Rept. Geol. 
Surv. of N. J., for 1896, pp. 91-94. 1897. With map.) Summarized 
Journ. of Geol., vol. 6, p. 531. 
