GENERAL INDEX TO VOLUME XX 



485 



Thaynks Limestone of Utah, New 

 Species of Fossils from the. 

 George H. Girty, 239-242 



Thompson, Robert M., Active Member, 

 425 



Tower, George W., Jr., Geological 

 XoTEs on Northern Brazil, [Ab- 

 stract], 399 



Tower, R. W., Librarian, 437 



Report of the Librarian, 439 



Treasurer. Report of the. 440 



Trowbridge, C. C, Councilor, 437 



The Direction Sense in Birds and 

 Animals from the Standpoint 

 OF Fhysics. [Abstract], 423.424 



Tiipaia and its Allies. Notes on the 

 Insectivore Genus. W. K. Greg- 

 ory, [Abstract]. 418, 419 



Tuttle, Mrs. B. B., Active Member. 423 



Tympanotonus coujunctus, 74 

 fuscatus. 85 

 involutum. 68 

 roissyi, 72 

 tricarinatum, 66 

 trocMeare, 75 



Ultra-Microscope and Its Application 

 to the Study of Microscopic- 

 ally Tn\-tsible Particles. The. 

 Max Morse, [Abstract], 400 



Vail, Theodore N., Active MeinI)or. 413 



Van Hise, C. R., cited, 107, 132 



Vandcrpoel, Mrs. J. A., Active M(>iiihor, 

 416 



Van't Hoflf, — , cited, 177 



Varl\bility of Land Snails (Cerion) 

 IN the Bahama Islands with 

 ITS Bearing on the Theory of 

 Geographical Form Chains. 

 Charles B. Davenport, [Abstract], 

 403 



Veatch, — , cited. 240 



Vcrtaffus Klein. 7 



Vicinocerithiiim iouei, 3, 58, 59 

 paralleluni, 3, 57, 58. 59 



Vreeland, Frederick K., Active Mcinher. 

 413 



\'itl!/occiitiiiiiiii. ."..■; 

 adcneiise, 38 

 hrcvc sp. nov.. 35 

 (lollolum, 40 

 gracile, 37, 39 

 unnntum, 46, 77. 79, 85 

 pi teat inn, 36, 37, 38, 39 

 pupa' for me, 78, 85 

 ruMginosum, 47 

 viihjatiim, 33, 35. 36, 37, 38, 39, 46, 



78,85 

 zelehori, 46 

 Waagen, — , cited, 218 

 Walte, W. H., Active Member, 413 

 Walcott, Charles D., cited, 2.39 

 Walker, William I., Active Member, 413 

 Walker, J. D., cited, 355, 356 

 Ward, Charles Willis, Active Member. 



425 

 Washington, Henry S., Brief Notes on 

 Some of the Geoix)gical Aspects 

 OF THE Province of Bahia, 

 Brazil, [Abstract], 399. 400 

 Washington, H. S., aud Wright, F. E., 



cited, 116 

 Waste Wax Process of Casting 

 Bronze. The. Charles Conrad 

 Sleifel, [Al)stract]. 428 

 AVatchung Basalt and the Paragene- 

 STs of Its Zeolites and Other 

 Secondary ^Minerals. The, Clar- 

 ence N. Fenner, 9.3-187, [Title], 

 418 

 Watson, John J., Jr., Active Member, 



425 

 Weeks, F. B., cited. 240 

 Weisrbt of Indian and Mixed Children, 



357 

 Wells, Frederic Lyman, Active Member, 



Practise and Individual Differ- 

 ences, [Abstract], 406 



Practise Effects in Free Associa- 

 tion. [Al)stract]. 428. 429 

 Wheeler, William M., The Noktii 

 American Ants of the Gencs 

 Campoxotus Mavr. 295-354, 426 



9— NY 



