WINSLOW, ARTHUR,
State Geological Survey, Jefferson City, Mo.
WINSTON, ISAAC,
Coast and Geodetic Survey. 1325 Corcoran Street.
WOODWARD, R. S., a,
Geological Survey. 1804 Columbia Road.
YARROW, DR. H. C., a,
814 Seventeenth Street.
YEATES, CHAS. M., a,
Geological Survey. 1706 F Street.