Index to Papers in Vols. I- VIII. 
xxv 
McMurphy, J. G.— Vol. Pages. 
Rotation as a Factor of Motion. IV 235-240 
Nader, John— 
Leveling and Use of the Barometer. Ill 68-76 
Improvement of the Month of the Mississippi River. Ill 84-95 
The Tides. V 207-233 
A Chapter on Foundations. V 282-289 
On the Strength of Materials as Applied to Engineer¬ 
ing . II 153-160 
Nicodemus, W. J. L.— 
On the Wisconsin River Improvement. II 142-152 
Railway Gauges 0 . II 161-177 
History of the Science of Hydraulics. II 193-202 
On the Ancient Civilization of America. Ill 58-64 
Oldenhage, H. — 
Remarks on the Descent of Animals. IV 138-146 
Parkinson, J. B. — 
Wealth, Capital and Credit. V 46-56 
Payne, Alford.— 
Art as Education. IV 31-43 
Peckham, Elizabeth G. 
(Gifford, Elizabeth M. and G. W. Peckham). Tem¬ 
perature of Pine, Beaver and Okanchee Lakes, 
Waukesha county, Wisconsin, at Different Depths, 
extending from May to December, 1879; also Par¬ 
ticulars of Depth of Pine Lake. V 273-275 
(with Geo. W. Peckham). Genera of the Family At- 
tidae, with a Partial Synonomy. VI 257-342 
(with Geo. W. Peckham). Attidae of North America VII 41-10 
(with Geo. W. Peckham and Wm. M. Wheeler). 
Spiders of the Sub-family Lyssomanae. VII 221-256 
Peckham, Geo. W.— 
(with Elizabeth M. Gifford). Temperature of Pine, 
Beaver and Okanchee Lakes, Waukesha County, 
Wisconsin, at Different Depths, extending from 
May to December, 1879; also Particulars of Depth 
of Pine Lake 
V 273-275 
