General Index of Authors of Papers. 
771 
Nicodemus, W. J. L. History of the science of hydraulics.II., 
- The ancient civilization of America.III., 
Nichols, Susie P. The nature and origin of the binucleated cells in 
some Basidiomycetes ...XV., 
Norton, Richard G. An investigation into the breaking of watch 
mainsprings in greater numbers in the warm months of 
the year than in the cold months.XV., 
Oberholser, Harry C. A review of the plover genus Ochthodromus 
Reichenbach and its nearest allies.XIX., 
Oldenhage, Prof. H. Remarks on the descent of animals.IV., 
Olive, Edgar W. Notes on the occurrence of Oscillatoria prolifica 
(Greville) Gomont in the ice of Pine Lake, Waukesha 
county, Wisconsin .XV., 
- Cytological studies on ceratiomyxa.XV., 
Olson, E. A. See Rirge, E. A. 
O’iShea, M. V. The parts of speech in the child’s linguistic develop¬ 
ment .XV., 
Overton, James Bertram. The organization of the nuclei in the root 
tips of podophyllum peltatum. (With Plate VII)_(XX., 
Owen, Edward T. The meaning and function of thought connec¬ 
tives .XII., 
-A revision of the pronouns...XIII., 
- Interrogative thought and the means of its expression.. .XIV., 
-Hybrid parts of speech; a development of this proposition: 
In a single sentence, and though unrepeated, a word may 
operate as different parts of speech.XVI., 
- Relations expressed by the passive voice.XVII., 
Paetow, Louis J. The neglect of the ancient classes at the early 
medieval universities.XVI., 
Palmer, Bernard M. See Libby, O. G. 
Parkinson, J. B. Wealth, capital and credit.V,. 
Patten, Harrison E. Action upon metals of solutions of hydrochloric 
acid in various solvents.XIV., 
Paxson, Frederic ,L. The railways of the old Northwest before the 
Civil War .XVII., 
Payne, Alford. Art as education.IV., 
Peckham, Elizabeth G., and George W., Genera of the family atti- 
dae, with a partial synonomy.VI., 
- Attidae of North America.VII., 
- land Wm. H. Wheeler. Spiders of the sub-family lysso- 
manae . VII., 
Peckham, George W. and Elizabeth G. The sense of sight in spiders, 
with some observations on the color sense.X., 
- Spiders of the Phidippus group of the family Attidae-XIII., 
- New species of the family Attidae from South Africa, with 
notes on the distribution of the genera found in the Ethiopian 
region . XIV., 
193 
58 
30 
654 
511 
138 
124 
753 
178 
275 
1 
1 
353 
107 
77 
311 
46 
316 
243 
31 
255 
1 
222 
231 
282 
173 
