INDEX. 
Page. 
Ward, L. F.: communication on some phys- 
ical and economic features of the upper 
MMIGSOUTE SYSUGIN: scccveseacsceccesescorscsers Raieeine 20 
— remarks on the deflection of rivers 23 
— — — Indians as botanic observers............ 74 
Was the earthquake of Sept. 19 felt in the 
District of Columbia?......... correcccortoeecer cos) at 
Welling, J. C.: eulogy on Gen. Humphreys.. 4 
— presidential address............. peenvevesécaes xxix, 81 
— remarks on drifting of DUOYS.........00.0.008. 15 
— — — the Indian as a scientific observer... 75 
Williams, G. H.: communication on methods 
Of Modern PetrOYraPhyY...wrevscscsresesecceere 36 
ELSES st LACION fracrtccs sre can cis ssctevcrectovscevscedese’? OO) 
135 
Page. 
White, C. H., Election to membership of..... 21 
White, C. A.: report of auditing committee. 15 
Why the eyes of animals shiné in the 
dark..... 
Woodruff, T. M., Election to Ais Nceets 
seeesercceeccerenccsceeevercscees cuncesccccenacscns 13 
of... Creo 32 
Woodward. Dr. a s “Death of. - 72 
— Resolutions on death Ofsscccvcctencsicestaceatacts 75 
Woodward, R. S.: discussion of a concrete 
problem in hydrostatics proposed by 
Mr. G. K. Gilbert...... meacenas serene LOE 
— remarks on deflection of ‘pinnae ches 92 
Yeates, W.S., Election to membership of.... 36 
