POWELL, PROF. WM. B., a,
Franklin School Building.
PRENTISS, DR. D. W., a,
1101 Fourteenth Street.
PUMPELLY, PROF. RAPHAEL,
U. S. Geological Survey, Newport, R. I.
RENSHAWE, JNO. H., a,
Geological Survey.
RICKSECKER, EUGENE, a,
Seattle, Wash.
RITTER, H. P., a,
Coast and Geodetic Survey. 1905 Sixteenth Street.
ROBERTS, A. C., a,
Hydrographic Office.
RODMAN, ENS. HUGH, U. S. N.,
Hydrographic Office. 2015 Hillyer Place.
RUSSELL, I. C., a,
Geological Survey. 1616 Riggs Place.
SARGENT, PROF. C. S., a,
Brookline, Mass.