GEXIJh'AL INDEX TO VOLUME XX 



483 



PtilchopotamUlcs coi-dieri, (52 

 iiiixtiim, 70 



Pumpelly, — , cited, ISO, 381 



Pycnopora hella sp. nov., 203 

 hirsuta sp. nov.. 204 

 regidaris sp. nov.. 203 

 subgen. nov.. 202 



Quadkate-Incus Theory. Application 

 of the, to the conditions in 

 Thebiodont Reptiles and the 

 Genetic Relations of the Lat- 

 ter TO the INIammalta. W. K. 

 Gregory, [Abstract]. 403. 404 



Eadin, Paul, Some 1'roblems of \Yinne- 

 BAGO Ethnology, [Title]. 411 



Ravenswood Granodiorite. The, Victor 

 Zeigler, [Title], 418 



Recent Applications of the Stereo- 

 scopic Principle. Joseph Jastrow, 

 [Title]. 415 



Recording Secretar.v. Report of the. 438 



Records of Meetings of the New York 

 Academy of Sciences. E. O. 

 Hovey, 309-441 



Relation of Middle and T'pper Siluric 

 IN THE Eastern T'nited States, 

 A. W. Grabau, [Title]. 418 



Belkoyer, Lycurgus, Active Member. 423 



Report of the Corresponding Secretary, 

 439 : Editor. 439 : Librarian. 439 : 

 Recording Secretary. 438 : Treas- 

 lu-er. 440 



Reuvtion Between Species and Indi- 

 viduals IN the Struggle for Ex- 

 istence, Alexander Petrunkevitch, 

 [Abstract]. 409 



Return of Halley's Comet. The. S. A. 

 Mitchell, [Title]. 420 



I'jKHiihfjpora persimili.'^ vnr. iriiseri var. 

 nov.. 208 



Risley, Mrs. Emilie B., Active Member. 

 423 



Roebling, John A., Active Member. 423 



Rocks snrronnding the basin of Decaze- 

 ville. 24.^-247 



Rogers, G. S., Original Gneissoid 

 Structure in the Cortlandt 

 Sfrtes, [Abstract], 421 



Rosenbamn, Selig, Active ^Member. 412 



Rossbach, Jacob, Active Member. 416 

 Rothbarth, A., Active ^lember. 412 

 Rowe, Basil W., Active JMember, 423 

 Ruedemann, Rudolph, Rondont Region, 



417 

 Russell, I. C, cited. 9G, 98 

 Sage, Dean, Active Member, 423 

 Sage, John H., Active Member, 412 

 HanniihioUtes ^idiiiUdis sp. nov., 224 

 Sarasin, — , Friedel, — , and, cited, 1G7 

 Satterlee, Mrs. Herbert L., Active JNIem- 



i)er, 413 

 Schmitz, E. J., cited, 96 

 Schoney, L., Active Member, 413 

 Schuchert, Charles, Rondout Region, 417 

 de Schulten, A., cited, 167 

 Scott, G. G., The Effect of Changes in 

 Water Density on the Blood of 

 Fishes, [Abstract], 434 

 Scoville, Robert, Active Member. 423 

 Seaman, Louis L., Active Member. 423 

 Secondary Qxalities. F, J. E, Wood- 

 bridge, [Abstract], 428, 431 

 Srilf/iricl'ia roiiciini. 2:'>9 

 Seligman, Jefferson, Active Memlter. 413 

 ^i'l)tni)(ira piixt iiJifcra sp. nov., 208 

 Scrnifocrjifhiinii t iilx'rcKlosinii. 71 

 Sexton, Lawrence E., Active Member. 



425 

 Shillaber, Wm., Active Member. 413 

 Simpson, B. R., Correlation of Mental 



Ar.iLiTiES. [Title], 415 

 Sleffel, Charles Conrad, The Waste Wax 

 Process of Casting Bronze. [Ab- 

 stract], 428 

 Smith, Adelbert J., Active JNIember, 416 

 Smith, Frank Morse, Active Member, 416 

 Smith, — , cited, 240 

 Snails, Variability of Land (Cerion) 

 in the Bahama Islands, with 

 its Bearing on the Theory of 

 Geographical Form Chains, 

 Charles B. Davenport, [Abstract], 

 403 

 Socictc dcs Acicri(^s de France. 243 

 ^'o/r^/zo/yx/.v iiifiiht sp. nov.. 223 

 Some New or Little Known American 

 Spiders. Alexander Petrunkevitch, 

 [Title], 400 



