/■IGf 
CONTENTS. 
JULY NUMBER. 
Remarks on the Genus Nanno, Clarke. Alpheus Hyatt. 
[Plate I.] 1 
Steps of Progressive Research in the Geology of the Lake 
Superior Region prior to the late Wisconsin Survey. 
N. H. WlNCHELL. 12 
Actinophorus Clarki Newberry. E. W. Clatpole. [Plate 
IL] 20 
( "amptonites and other Intrusives df Lake Memphremagog. 
Vernon F. Marsters. [Illustrated.] 2;') 
The Kame-Moraine at Rochester, N. Y. H. L. Fairchild. 
[Plate IIL] H9 
Editorial Comment. — The Feldspars, 51. 
Review of Recent Geological Literature. — Om Didymograptus, Tetra 
graptus och Phyllograptus, G. Holm, 58. — De Texistence de nom 
breux debris de Spongiaires dans le Preeambrien de Bretagne, L. 
Cayeux, 59. —Tertiary Rhynchophorous Coleoptera of the United 
States, S. H. Scudder. 59.- A Manual of Topographie Methods, 
Henry Gannett, 60. — Reconuoissaace Map of the United States, 
showing the distribution of the Geologic Svstems. so far as known, 
W JMcGee, 61.-~Interloessial Till near Sioux City, Iowa, J. E. 
Todd and H. F. Bain. 61.~Preglacial Elevation of Iowa, H. F. 
Bain, 62. A Bibliography of North American Paleontology, 1888- 
1892, C. R. Keyes. 62. 
Recent Publications, 62. 
Correspondence. — Interglacial Climatic Conditions, G. M. Dawson, 65. 
Personal and Scientific Neivs, 6(j. 
AUGUST NUMBER. 
Joseph Granville Norwood, M. I)., LL. D. G. C. Broad- 
head. [Portrait, Plate IV.] 69 
The Keweenawan according to the Wisconsin Geologists. 
N. H. WiNCHELE. 7') 
Superior Mississippian in western Missoui-i and Arkan- 
sas. Charles RoLLiN Keyes S() 
1 'o Si t) (« 
