SCIENCE. —INDEX TO VOLUME III. 
Poland, bone-caves of, 489. 
Polar commission, international, 110; ex- 
pedition, 800; exploration congress, 769 ; 
stations, Russian, 468. 
Polemonium humile, 253; reptans, 768. 
Political science, claims of, 748. 
Pollution, rivers, prevention act, 465. 
Polygonum aviculare, 253; viviparum, 253. 
Polype laricis, 234. 
Pons-Brooks comet, 7//. 67. 
Poor, dwellings for, 464. 
Portage formations of New York, 421. 
Portland (Ore.) natural science associa- 
tion, 297. 
Post-office maps, 696. 
Potentilla argentea, 395; fruticosa, 253. 
Poterium Sitchense, 253. 
Potsdam fauna at Saratoga, 136. 
Potts, E., on Cristatella, 667; on fresh- 
water sponges, 355, 737; on sponges 
from Florida, 637; on Urnatella gracilis, 
423. 
Pottsville conglomerate, 7//. 12. 
Poughkeepsie, Vassar brothers’ institute 
of, 51, 237. 
Poulsen’s Botanical micro-chemistry, re- 
viewed, 602. 
PowELL, J. W. The fundamental theory 
of dynamic geology, 511; on the state of 
the interior of the earth, 480. 
Prairies, adaptability of, for artificial for- 
estry, 438. 
Prasopora Selwyni, 25. 
Pratt, W. H., on flathead skulls from Ar- 
Kansas mounds, 737. 
Pray, T., jun., on cotton-fibre, 583. 
Precipitation, 302. 
Precocious races, 339. 
Prehistoric tree, i//. 347. 
Preyer, W., on physiology of the embryo, 
(qee 
Prime meridian, universal, 1. 
Primitive communities, 786. 
Primula Sibirica, 253. 
Princeton science club, 107, 165, 266. 
Prizes of U.S. naval institute, 83; of Boston 
society of natural history, 610; of Lin- 
naean society of New South Wales, 638 ; 
of Royal society of New South Wales, 
A470; for sanitary service, 467; of French 
academy, 669. 
Productus giganteus, 33, 60; punctatus, 
33, 60; semireticulatus, 60. 
Professor’s time, value of, 428. 
Prosser, C. S., on silver deposits of New 
York, 737. 
Protozoa, Biitschli’s, 340, 670. 
Pseudohyalina exigua, 236. 
Pseudosita bidentata, 495. 
Psychological questions, 426. 
Psychology, ethnologigal, 204. 
Ptinus rutilus, 127. 
Ptychaspis speciosus, 137. 
Ptychogaster formosus, 714. 
Puccinia graminis, 457. 
Pueraria Thunbergeana, 498. 
Pulex irritans, 207. 
Putnam, F. W., on human under-jaw 
found in Trenton gravels, 605. 
Pyramidella minuscula, 658. 
Pyrgula nevadensis, 468. 
Pyrola rotundifolia, 253; secunda, 253. 
Queen Charlotte Islands, fossils from, 612. 
Quercus agrifolia, 4; Emoryi, 4,305; pun- 
gens, 4; tinctoria, 335. 
Quicksilver deposits of California, 365. 
Rabies, prevention of, by inoculation, 611. 
Races in France, anthropometric elements 
of, 465. 
Radiant heat, 32, 88, 171, 586. 
Rail-making, 761. 
Railways, explosions on, 516. 
Rain, artificial production of, 229, 276; by 
gun-firing, 214. 
Rainfall, amount and fluctuation of, 497; 
at Amberst, 431; beyond the Missis- 
sippi, records of, 471; of New York, 
421; in San Diego, 498. 
Ramsay, W., on the critical state of gases, 
98. 
Rana Catesbyana, 66, 67. 
Randolph, N. A., on changes in milk dur- 
ing boiling, 367; on peptone in solution, 
554, 
Rangifer caribou, 394. 
Ranunculaceae, Canadian, 675. 
Ranunculus acris, 359; flammula, 253. 
Rathbun, R., on lobster-fishery, 722. 
Rawlinson, R., on drinking-water, 640. 
Ray, P.H. The U.S. meteorological sta- 
tion at Point Barrow, i//. 478. 
Recurvirostra americana, 216, 503. 
Reflections, experiments with, 7//. 616. 
Reflectors, new method of mounting, 320. 
Regulus satrapa, 494. 
Reichert, C. B., 298. 
Remsen’s Theoretical chemistry, 60. 
Reptiles, check-list of, 264. 
Researches, publication of results of, 643. 
Rest, gospel of, 56. 
Retrospect and prospect, 5. 
Revue coloniale et internationale, 743. 
Rhachianectes glaucus, 342. 
Rhapidophyllum hystrix, 629. 
Rhea fibre, treatment of, 341. 
Rhinoceros tychorhinus, 786. 
Rhododendron Californicum, 236; maxi- 
mum, 236. 
Rhythmic variations, 503. 
Ribes rubrum, 258. 
Rice, H. J., on destruction of Saproleg- 
nia, 719. 
Rick, J. M., and JOHNSON, W. W. The 
use of the method of limits in mathe- 
matical teaching, 430. 
RicHarDs, R. H. Economy of fuel in 
iron manufacture, 358; the hot blast in 
making iron, 72. 
Ridgway, on action of water in modern 
turbine, 694. 
Ritey, C. V. Entomography of Hirmo- 
neura, 488; silk-culture in the colonies, 
662; the use of naphthaline as an in- 
secticide, 455. 
Ripple-marks, 172, 274, 222. 375. 
RIVETT-CARNAC, H. Influence of winds 
on tree-growth, 114... 
Rizzolo, quaternary formation of, 268. 
Robinson, J. R., on his steam-boiler, 
79 ; 
Rochester, appearance of cyclone cloud 
at, zd. 304. 
Rock investigation, microscopic, 551; 
suites, educational, 234; crystalline, 
origin of, 503, 674; of Lassen’s Peak, 
551. 
Rockwood, on mutual relations of conics, 
165. 
Romer’s Bone-caves of Poland, reviewed, 
489. 
Rogers, W. A., on solution of perfect- 
screw problem, 724. 
Roiti, A., on Hall phenomenon in liquids, 
360. 
Romalea microptera, 33. 
Romanes, G. J., on the dawn of mind, 
639. 
Rome, national library at, 526. 
Root, Elihu, tablet to, 467. 
Rosny’s Codex Cortesianus, reviewed, 
458. 
Ross, on history of land-holding, 786. 
Rotalia globosa, 216; globulosa, 295. 
Rotation of earth, 275; experiments, 716; 
period of Mercury, 297; terrestrial, 503. 
Rothrock, J. T., on structure of violet, 
666. 
ROWLAND, H. A., address of, on receiving 
the Rumford medals, 256. 
Roy, Protap Chundra, 609. 
Royce, J. After-images, 321; Coues’s 
Biogen, 661. 
Rubus arcticus, 253; Chamaemorus, 253. 
Rumford medals, presentation of, to Pro- 
fessor Rowland, 7//. 256. 
Runeberg, R. J., 268. 
Russell, H. C., on artificial production of 
rain, 229. 
RussE.Lt, I. C. Lakes of the Great Basin, 
322. 
Russell, I. C., on glaciers in California, 
208; on volcanic dust, 555. 
Russia in Asia, chart of, 640; scientific 
work in, 640. 
S11 
tussian geographical society, 368, 698; 
medal of, 771; meteorological stations, 
112, z//. 117, 368; polar expedition, 300; 
polar stations, 468; surveys, 698; univer- 
sities, activity of, 756. 
{uss0-Persian frontier, 270. 
Rust, cause of, 426. 
RYDER, J. A. The pedunculated lateral- 
line organs of Gastrostomus, 7//. 5. 
ryder, J. A., on embryology of teleosts, 
80; on survival of fish embryos, 721; on 
viviparous fish, 769. Seealso Gill, T., 
and Ryder, J. A. 
&. Transmission of long or inaudible 
sound-waves, 474. 
8.,F.J. A singular optical phenomenon, 
275, 474. 
Sabal Adansoni, 629; palmetto, 629; ser- 
rulata, 629. 
SarFForD, T. H. The use of the method 
of limits in mathematical teaching, 305. 
St. John group, fauna of, 676. 
St. Johns, geological museum at, 56. 
St. Louis society of microscopists, 640. 
St. Petersburg academy of sciences, 769; 
society of naturalists, 744. 
ere ag RK. D. Aeolian ripple-marks, 
Salix cordata, 294; glauca, 253; Sitchen- 
sis, 253. 
Satmon, D. E. The discovery of the 
germ of swine-plague, 155. 
Salpa, 554. 
Samia ceanothi, 583; Cecropia, 583; Co- 
lumbia, 583; Cynthia, 583. 
See Ox F. A. Barn-owls in Missouri, 
6. 
San Diego natural history society, 24, 464; 
rainfall in, 498. 
San Francisco, 
114, 
San Juan Teotihuacan, ruins of, 523. 
Sappho, observations of, 470. 
Saprolegnia, 719. 
Sarcodes sanguinea, 335. 
SARGENT, C. 8. George Engelmann, 
portrait, 405. 
Sargus vulgaris, 242. 
Sarpedon scabrosus, 235. 
Saturn, markings upon, 272; observations 
of, 698. 
Saunders, S. S., 772. 
Saxifraga leucanthemifolia, 253 ; tricuspi- 
data, 253. 
Saxon sun-dials, 526. 
Scalops aquaticus, 539. 
Scaphander puncto-striatus, 657. 
Scaphiopus solitarius, 66. 
Scaphirhynchops platyrhynchus, 587. 
Scapholeberis angulata, 494. 
Schmidt, E., on relation of mound-build- 
ers to historic Indians, 658. 
Schmidt, J. F. J., 398. 
Schrenk’s collection of Mollusca, 340. 
ScHwaTKa, F. The Alaska military re- 
connoissance of 1883, i//. 220, 246; an 
arctic vessel and her equipment, id. 
505; icebergs and ice-floes, 7//. 535; the 
Middle Yukon, idl. 677, 706; wintering 
in the Arctic, idl. 566. 
Schwatka, Fred’k, 771. 
Science and faith, borderland of, 131; 
claims of, 745; electrical, progress of, 
258; instruction in, in England, 269; 
teaching in America, 241. 
Sciences, history of, 50. 
Scientific association, international, 2455 
club, Manhattan, Kansas, 208; hypoth- 
eses of the ignorant, 301; instruction 
in German universities, 399; linguistics, 
364; method in historical study, 564; 
-names, 32, 87; researches in Baltic, 111; 
theorists, self-sufficient, 472; writing, 
style in, 534. 
Sciurus niger, 747. 
Scopelus maderensis, 625; Miilleri, 628. 
Scott, W. B., on Enteledon, 266; on the 
lamprey, 107. 
Scott’s Morphology, reviewed, 332. 
Screw problem, 724. 
Scribner’s Where 
viewed, 292. 
earthquake-wayes at, 
did life begin, re- 
