INDEX 



467 



Philadelphia, Centennial Exhibition, 



1876, 278, 336, 394, 397 

 Physical chemistry, science of, 344, 



349, 350 

 Physics, progress of, 343; see also 



Gibbs, Josiah Willard 

 Pictet, Prof. Adolphe, 10, 14 

 Pierpont, John, 96 

 Pike, Capt. Nicholas, 61 

 Plan of Creation, lectures by J. L. R. 



Agassiz, 156 

 Playfair, John, 98 

 Plotus anhinga, see Snake-bird 

 Poland, King of, 21 

 Polydactyle Horses, by O. C. Marsh, 



299 

 Polynesian Archipelago, exploration 



of, 238; see also Wilkes Exploring 



Expedition 



Port Antonio, Jamaica, 444 

 Port Henderson, West Indies, labora- 

 tory at, 443 

 Porpoise, The, see Wilkes Exploring 



Expedition 



Porter, Rev. Noah, 92 

 Potato introduced into France, 50 

 Pourtales, Louis Francois, Count de, 



163 



Prevost, Constant, 254 

 Priestley, Dr. Joseph, 96 

 Prussia, King of, 152, 156, 157 

 Pteranodontia, see Pterodactyls 

 Pterodactyls, 301 

 Pterosauria, see Pterodactyls 

 Pulkowa, observatory at, 376, 378, 



379; also 384 

 Putnam, Frederick Ward, 335 



Quadrupeds of America, by Audubon 

 and Bachman, 82, 84 



Quaternions of Sir William Hamil- 

 ton, 356 



Race problem, Wyman's views on, 

 191 



Radiation, experiments on, 34 



Rainbow trout, 274; see also Food- 

 fishes 



Raleigh, Sir Walter, 313, 394 



Rattlesnake, The, 198 



Red Cloud Agency, 294 



Relief, The, see Wilkes Exploring 

 Expedition 



Rennel, James, 97 



Reptilia and Amphibia, publications 

 on, by E. D. Cope, 328, 329 



Researches among the Fossil Fishes, 

 by J. L. R. Agassiz, 153, 1 54 



Respiration of Turtles, by Mitchell 

 and Morehouse, 177 



Review of North American Birds, by 

 S. F. Baird, 272 



Rhynchosporeas, North American, 

 by Asa Gray, 215 



Rickoff, Andrew J., 435 



Ridge way, Robert, 272 



Rittenhouse, David, 95, 130, 387 



Ritter, Heinrich, 114 



Robins, Benjamin, 18 



Robison, John, 99 



Roemer, (Breslau), 291 



Rogers, Prof. William B., 193, 308 



Roozeboom, Bakhuis, 353, 355 



Rose, Gustav, 114, 244 note 



Rose, Heinrich, 114 



Rothrock, Dr. J. T., 183 note, 221 



Rowland, Henry Augustus, birth 

 and education, 406; distaste for 

 classics, 406, 420; teacher of 

 chemistry and physics, 408; early 

 inventions, 409; professor at Johns 

 Hopkins, 411; sent abroad, 411; 

 meeting with Dr. Ira Remsen, 

 412; laboratory equipment, 412; 

 personal qualities, 413, 418, 421; 

 research work, 415; concave grat- 

 ing, 415, 416; relations with stu- 

 dents, 418; marriage, 420; love of 

 music and sports, 422; fatal 

 malady, 424; invention of octoplex 

 printing telegraph, 425; attitude 

 toward politics and religion, 425; 

 honors, 426 



Royal Institution, London, 9, 43 



Rozier, Ferdinand, 74 



Rumford, Benjamin Thompson, 

 Count, birth and early education, 

 10 ; life as student and teacher, 12; 

 marriage, 14; introduction to 

 Gov. Wentworth and results, 15; 

 role of landed proprietor, 15; sent 

 to England, 15; becomes member 

 of Colonial Office, 17; enters 

 British army, 19; devises new code 

 of marine signals and plans a frig- 

 ate, 19; elected Fellow of Royal 

 Society, 19; becomes Secretary 

 for Georgia and Under Secretary 



