Malamphy, Mark C., Serv. Geol. e Min. do Brazil, Praia Vermelha, Rio de 
Janeiro, Brazil 
Mannes, W. H., 1937 Lexington Ave., Houston, Tex. 
McCollum, Burton, McCollum Expl. Co., Esperson Bldg., Houston, Tex. 
McDermott, Eugene, 1311 Republic Bank Bldg., Dallas, Tex. 
Morgan, Chas. Gill, 4608 Abbott Ave., Dallas, Tex. 
Moulton, Gail F., Electric Bond & Share Co., New York, N. Y. 
Muir, John M., Southern Crude Oil Pur. Co., Box 898, Ft. Worth, Tex. 
Petty, Dabney E., Drawer 1477, San Antonio, Tex. 
Petty, O. S., Drawer 1477, San Antonio, Tex. 
Ransone, W. R., Texas University, Physics Dept., Austin, Tex. 
Reynolds, F. F., 1658 Banks St., Houston, Tex. 
Ritz, C. H., 1514 Petroleum Bldg., Houston, Tex. 
Ritzau, Kurt F., 2416 Milam St., Houston, Tex. 
Rosaire, E. E., Independent Expl. Co., Esperson Bldg., Houston, Tex. 
Rose, H. W., 1420 Westheimer, Houston, Tex. 
Ross, C. M., Geophysical Research Corp., Box 2040, Tulsa, Okla. 
Russell, C. A., 1810 Petroleum Bldg., Houston, Tex. 
Scholl, Louis A., Jr., The Texas Co., Houston, Tex. 
Saville, W. G., Shell Bldg., Houston, Tex. 
Schumacher, J. P., Torsion Bal. Expl. Co., Shell Bldg., Houston, Tex. 
Schwennesen, A. T., ror1 Sterling Bldg., Houston, Tex. 
Selig, A. L., Southern Crude Oil Pur. Co., Box 898, Ft. Worth, Tex. 
Sherar, Stuart, Humble Oil & Refg. Co., Houston, Tex. 
Shore, Harold F., Independent Expl. Co., Esperson Bldg., Houston, Tex. 
Slotnick, M. M., Humble Oil & Refg. Co., Houston, Tex. 
Smith, Arthur E., Shell Petroleum Corp., Houston, Tex. 
Smith, Aylwin L., Independent Expl. Co., Esperson Bldg., Houston, Tex. 
Stanton, Austin N., 3012 West Cantey St., Ft. Worth, Tex. 
Stearn, Noel H., W. C. McBride, Inc., 1226 Olive St., St. Louis, Mo. 
Stiles, Elizabeth, Independent Expl. Co., Esperson Bldg., Houston, Tex. 
Sundt, O. F., Gulf Production Co., Drawer 2100, Houston, Tex. 
Wantland, Dart, Colorado School of Mines, Golden, Colo. 
Watt, J. S., Humble Oil & Refg. Co., Houston, Tex. 
Weaver, Paul, Gulf Production Co., Drawer 2100, Houston, Tex. 
Weinzierl, John F., 607-8 Petroleum Bldg., Houston, Tex. 
Westby, G. H., Seismograph Service Corp., Tulsa, Okla. 
Whitney, Paul B., 229 21st Place, Santa Monica, Calif. 
Williston, Samuel H., Sun Oil Co., Dallas, Tex. 
Wilson, John H., Box 187, Golden, Colo. 
Young, Karl, Esperson Bldg., Houston, Tex. 
Zimmerman, C. C., The Texas Co., Geophysical Dept., Houston, Tex. 
ASSOCIATE MEMBERS 
Black, J. P., Gulf Production Co., Drawer 2100, Houston, Tex. 
Duncan, J. E., Sussex & Huron Sts., Toronto, Ontario, Canada 
Hart, H. S., Sun Oil Co., Beaumont, Tex. 
Hoard, J. O., Shell Petroleum Corp., Box 116, Prague, Okla. 
Iden, Christian, Friendswood, Tex. 
Klein, Joe Peter, Sun Oil Co., Box 790, Beaumont, Tex. 
LaTouche, R. W. D., Sun Oil Co., Beaumont, Tex. 
McDermott, William E., 627 East 23rd St., Brooklyn, N. Y. 
Stubbe, Gerhard, Amer. Askania Corp., M. & M. Bldg., Houston, Tex. 
Winkler, B. O., Colorado School of Mines, Golden, Colo. 
HONORARY MEMBERS 
DeGolyer, E., 120 Broadway, New York, N. Y. 
Mintrop, L., Seismos, G. m. b. H., Hannover, Germany 
656 
