Chapter C: S. Sargent, a., Brookline, Mass

W. S. Schley, _a_., Navy Department.

S. H. Scudder, _a_., Cambridge, Mass.

N. S. Shaler, _a_., " "

John S. Siebert, Hydrographic Office.

Edwin Smith, _a_., U. S. Coast and Geod. Survey.

Middleton Smith, _a_., 1616 19th st.

E. J. Sommer, _a_., U. S. Coast and Geod. Survey.

Leonhard Stejneger, _a_., National Museum.

*James Stevenson, _a_., U. S. Geol. Survey.

Chas. H. Stockton, _a_., Navy Department.

Frank Sutton, U. S. Geol. Survey.

Mary C. Thomas, _a_., U. S. Coast and Geod. Survey.

A. H. Thompson, _a_., U. S. Geol. Survey.

Gilbert Thompson, _a_., " "

Laurence Thompson, _a_., Denver, Colorado.

R. E. Thompson, War Department.

O. H. Tittmann, _a_., U. S. Coast and Geod. Survey.

R. M. Towson, _a_., U. S. Geol. Survey.

W. L. Trenholm, _a_., Treasury Dept.

Frank Tweedy, _a_., U. S. Geol. Survey.

Chas. F. Urquhart, _a_., " "

H. C. Van Deman, Dept. of Agriculture.

George Vasey, _a_., " "

W. I. Vinal, _a_., U. S. Coast and Geod. Survey.

A. Von Haake, Post Office Dept.

C. D. Walcott, _a_., U. S. Geol. Survey.

H. S. Wallace, _a_., " "

Lester F. Ward, _a_., " "

W. H. Weed, _a_., " "

J. B. Weir, _a_., U. S. Coast and Geod. Survey.

J. C. Welling, _a_., Columbian University.

C. A. White, _a_., U. S. Geol. Survey.