PROCEEDIXGS, VOLS. 1-50 



PRINCE-RATIO 



Prince, J. Dyneley, modern Dela- 

 ware tale, 41, 20. 



— • — Passamaquoddy wampum rec- 

 ords, 36, 479. 



, — witchcraft tales. 38, 181. 



and Frank G. Speck, dying 



American speech-echoes from Con- 

 necticut, 42, 346. 



Princeton, explosion of gun on ship, 

 4. 47- 



Priority, matter of, 34, 67. 



Prison system of Pennsylvania, 21, 

 651. 



Problem, fifteenth, 18, 505. 



Proboscidse, 3, 44. 



Proboscidian, new, 16, 584. 



Procamelus occidentalis, brain of, 

 17, 49- 



Procyon, motions of, and of Sirius, 

 4. II-'- 



Projectiles, velocity of, 3, 165. 



Pronghorn, 26, ^66. 



Pronouns, historical use of the rela- 

 tive in English literature, 43, 278. 



Protococcus Nivalis, 5, 262. 



Protophytes, parasitic, 21, 88. 



Protoplasm, continuity of, 41, 174. 



Protostega, 12, 422. 



Pseudomorphs, petrifactions and al- 

 terations, 49, 17. 



Psoas parvus and pvramidalis, 31, 

 117. 



Pteropus, new specie? of, 28, 70. 



Puerco epoch, 21, 309. 



Puquina language of Peru, 28, 242. 



Putnam, F. W., Key dewellers on 

 the Gulf Coast of Florida, 35, 438. 



Pyle, Wm. Henrj*, efifect of imper- 

 ceptible shadows on judgment of 

 distance, 46, 94. 



Pyrite from Cornwall, Pennsyl- 

 vania, 45, 131. 



— and marcasite, behavior of, 33, 

 225. 



Pyrophyllite from Schuylkill Co., 

 Pa., 18, 279. 



Pythonomorpha, in the Cretaceous 

 strata of Kansas, 12, 264. 



Quartz pebble, found in a coal bed, 

 21, 343- 



Quartzose rocks of the lower Sus- 

 quehanna, fossil forms in, 18, 

 277. 



Quaternion group, 37, 312. 



Queensland aborigines, divisions of, 



37, 327- 



Quinnimont coal group, 19, 498. 



Quito, Ecuador, thermometrical ob- 

 servations in, 21, 676. 



Radiation and rotation, 17, 701. 



— solar constant of, 50, 235. 

 Radioactivity, 50, S33- 



Radium in an American ore, 43, 157. 

 Railway under the English Channel, 



survey for, 17, 283. 

 Rainbows, four, 10, 148, 149. 

 Rainfall, cyclical, 12, 178, 523; 14, 



195- 



— European and American, 12, 38. 



— Jupiter-cyclical, 14, 193. 



— lunar influences on, 10, 436; 12, 

 558; 14, 416. 



— monthly, il, 314; 12, 555. 



— tidal, 10, 523; II, 202." 



— yearly, in the U. S., 14, 613. 

 Rain guage, 2, 164. 



curves, 11, 113. 



Rana, synonymic list of North 

 American species of Bufo and, 23, 



514- 

 Rand, H. B., protection of oil tanks 



from lightning, 19, 216. 

 Rand, Theodore D., obituary notice 



of, 42, 10. 

 Randolph, Nathaniel Archer, obituary 



notice of, 26, 359. 

 Rath, Gerhard von, and F. A. Genth, 



vanadates and iodyrite from Lake 



Valley, New Mexico, 22, ;i62. 

 Ratio, Chase-Maxwell, 22, 375. 



65 



