GENERAL INDEX TO VOLUME XXI 



261 



Productus cpquicostatus, 129, 130 

 cora var. ameriamus, 130 

 insinuatus sp. nov., 121) 

 Prominent Structure of the North- 

 ern Margin of the Highlands, 

 C. P. Berkey [Abstract]. 209, 210 

 Protocycloceras ? ritshense var. crebri- 



cinetum var. nov., 144 

 Protozoa of Wewoka Formation, 120 

 Pseudorthoceras gen. nov., 143 

 knoxense, 143 

 semmolense sp. nov., 143 



I'NYCHANALYSIS AND THE INTERPRETA- 

 TION of Dreams, E. W. Scripture 

 [Abstract], 200, 204 



Pugnax osagensis var. occidentalis, 131 

 osagensis var. percostata var. nov.. 

 130 



Pure emery of the Cortlanrlt Series, 69 



Pure Food Law. 206 



Pyroxenite of the Cortlandt Series, 40 



Quartz emery schist of the Cortlandt 



Series, 70 

 Quartz norite of the Cortlandt Series, 



35 

 Quinn, H. M., Reference to, 66 



Radosavljevich, Paul R., Cephalic 

 Indices in Relation to Sex. Age 

 and Social Conditions [Ab- 

 stract], 196 



Ravenswood Granodiorite, The, Victor 

 Ziegler, 1-10 



Reaction Time for Different Retinal 

 Areas. A. T. Poffenberger [Title], 

 218 



Reaction to Simultaneous Stimuli, 

 J. W. Todd [Title], 21 8 



Recent Celestial Photographs with 

 the Sixty-Inch Reflector of 

 the Mt. Wilson Observatory, 

 G. W. Ritchey [Abstract], 196 



Recording Secretary, Report of the, 

 Edmund Otis Hovey, 223 



Records of Meetings of the New 

 York Academy of Sciences. Ed- 

 mund Otis Hovey, 185-228 



Relation of the Quickness of Learn- 

 ing to Retentiveness. D. O. Lyon 

 [Title], 217 



Relations of the types of the Cortlandt 

 Series, 57 



Report of the Corresponding Secretary, 

 222 

 Editor, 224 

 Librarian, 224 

 Recording Secretary, 223 

 Treasurer, 224 



Results of Experiences on the Be- 

 havior of Rocks under Press- 

 ure, Frank D. Adams [Abstract], 

 186 



Rice, D. E., Visual Acuity; under 

 Lights of Different Colors 

 [Title], 218 



Ries, Heinrich, cited. 9 



Riley, I. Woodbridge, Spread of Chris- 

 tian Science. The, [Abstract], 

 200, 204 



Ritchey, G. W., Recent Celestial 

 Photographs with the Sixty- 

 Inch Reflector of the Mt. Wil- 

 son Orservatory [Abstract], 196 



Robb, Hon. J. Hampden, Death of, 189 



Rocks under Pressure, Results of 

 Experiments on the Behavior 

 of, Frank D. Adams [Abstract], 

 1S6 



Rcemerella patula sp. nov.. 125, 126 



Rogers, G. Sherburne, Geology of the 

 Cortlandt Series and its Emery 

 Deposits. 11-86; [Title], 189; 

 [Abstract], 195 



St. John, Orestes, Reference to, 136 



Sands of Ohio, The, D. D. Condit [Ab- 

 stract], 20!). 121(1 



Saratoga Mineral Springs, The. James 

 F. Kemp [Abstract], 206 



Saville, Marshall H., Travels in the 

 Lake Region of Northern Ecua- 

 dor [Title], 212 



Scaphopoda of the Wewoka Forma- 

 tion. 135 



Schellwein, — , cited, 121 



