406 Scientific Intelligence. 
other researches of the author in the sam re all 
models of what such investigations should be, and leave nothing 
to be desired in methods bservation or reduction, in the u- 
E. 8. H. 
2. American Journal of Mathematics Pure and Applied. 
Published under the auspices of the Johns Hopkins University. 
Vol. i, No.1. 4°, 104 pp. Baltimore, 1878.—We are glad to greet 
, Hddy, Weichold, Cayley, Rowland, Peirce, Sylvester. 
bx two longest articles are b Mr. G. W. Hill, Researches in the 
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V. MiscELLANEOUS ScIEnTIFIC INTELLIGENCE. 
1. Drifiless Region of Wisconsin. (Communication to the 
Editors.) —There are one or two sentences in Professor Dana's 
paper on the “ Driftless Interior of North America,” in the 
° 
the theoretical conclusions as to the glacial phenomena of the 
en given in volume ii of the Geology of Wisconsin. As 
reports themselves, I give, therefore, a brief statement of the 
acts. In 1874, Professor T. C. Chamberlin investigated the 
already known Potash Kettle Range of Eastern Wisconsin, - 
ce 
ward again, and carried it to the southern boundary of the district 
under my charge. In June, 1875, he furnished me with a map 
