INDEX. 



557 



Rosa foliolosa, 332, 338, 3i5, 349. 



fragrans, 327. 



fraxiuifolia, 327, 330, 339. 



geiiioUa, 327, 330. 



gymuocarpa, 332, 338, 350. 



ILudsoiiiaua, 329, 316. 



huiailis, 32-i, 326, 327, 338, 3-iS. 



Kamtschalica, 33i. 



lasvigata, 327, 332, 352. 



laxa, 329, 330, 3i7. 



Liudleyi, 330, 347. 



lucicla,*^324, 326, 327, 338, U7, 

 348. _ 



lutea nigra, 330. 



lutcscciis, 328. 



Lyouii, 328, 348. 



majalis, 330, 332. 



Maxiiiiiliaiii, 332, 345. 



Mexicaua, 335, 338, 349. 



niicrantlia, 351. 



miuutifolia, 334, 338, 346. 



Moutczamte, HBK., 329, 351. 



nioscliata, 334. 



mutabilis, 330, 350. 



nitida, 327, 338, 348. 



nivea, 330. 



Nutkana, 330, 333, 337, 341. 



palustris, 326, 346. 



parvitiora, 326, 348. 



penduliua, 324, 328, 330. 



Peuusylvauica, 326, 327, 329, 

 330. 



pimpiuellifolia, 334. 



pisocarpa, 333, 337, 342. 



llaffinesquejana, 328, 330. 



Rafiiiesquii, 330. 



rapa, 328. 



repeiis, 334. 



rubifolia, 328, 350. 



rubigiuosa, 32S, 351. 



rubrispiua, 328, 348. 



Saji, 331, 332, 337, 340. 



setigera, 326, 327, 330, 338, 349. 



Sinica, 352. 



Solandri, 330, 339. 



spithanicTa, 334, 344, 350. 



Sprengeliana, 330. 



stricta, 329, 332. 



suaveolcns, 328, 351. 



Virgiiiiaua, 325, 326. 



Virgiuica, 330. 



Woodsii, 329, 338, 345. 

 Roses of North America, a history 



and revision of the, 324. 

 Rothroekia, 295. 



cordifolia, 295. 



S. 



Sageretia Micliauxii, 358. 



Wright ii, 358. 

 Salvia Lcininoni, 309. 

 Sandrock, Calciferous, 192, 210, 217, 

 219. 



Red, 215, 222, 234, 243. 

 Sandstone, Calciferous, 179. 



Lake Superior, 236. 



Potsdam, 175, 180, 210, 217, 

 219, 221, 234, 242. 

 Sapium salicifolium, Torr., 374. 

 Saxifraga bryo])!iora, Gray, 9. 



Dahurica, Pall., 11. 



eriophora, S. Watson, 11. 



Forbesii, Vasey, 11. 



fragarioides, Greene, 12. 



hieracifolia, Waldst. & Kit., 11. 



leucanthemifoiia, Michx., 9. 



Lyalli, Engler, 12. 



nudicaulis, Don, 12. 



peltata, Torr., 8. 



punctata, L,, 12. 



ranunculilblia, Hook., 9. 



reflcxa, Hook., 11 



stellarLs, L.,9. 



Tolmffii, Torr. & Gray, 9. 



Unalaschensis, Sternb., 12. 

 _ Virginiensis, Michx., 11. 

 Saxifraga, notes on some North 



American species of, 8. 

 Schweinitzia, 300. 



odorata, Elb., 301. 



Reynoldsiaj, 301. 

 Sclerocaryum, 259. 

 Scorpiones, 14. 

 Scorpiones, Thorell, 20. 

 Sebastiana (?) bilocularis, 374. 

 Sedum stelliforme, 365. 

 Sense-organs of the leech, segmental, 



tiie, 77. 

 Sida alata, 356. 

 Silicates, analysis of, 446. 

 Silliman, Benjamin, notice of, 523. 

 Silphium bracliiatum, Gattinger, 297. 

 Spectrum, solar, photography of the 



infra-red region of the, 473. 

 Spraguea, 356. 

 Stars, the measurement of the colors 



of, 414. 

 Streptanthus Howellii, 353. 

 Superficial tension and electrical phe- 

 nomena, Lippmann's experi- 

 ments upon the relation be- 

 tween, 421. 



