INDEX. 



385 



Periaster limicola, 193. 



Periodical Publications, Catalogue, 

 323, 3-26. 



Peucedanum, species, 293. 



Phalangiese, 210. 



Phalangium, species, 240-243, 247. 



Phascuin, species, 139, 140. 



Phormosoma, species, 201, 202. 



Phyllospadix, species, 303. 



Piezometers in Hydraulic Investiga- 

 tions, Experiments upon, 2G. 



Pigment Cells in Fishes, Develop- 

 ment of, 3, 13. 



Plagiothecium pseudosilesiacum , 

 140. 



Plagusia, species, 23. 



Platessa, species, 19, 21, 23. 



Pleea, 225, 285. 

 tenuifolia, 283. 



Pleuronectes, species, 19, 22. 



Podocidaris, species, 198, 199. 



Polygonastrum racemosum, 244. 



Polygonatum, 218. 

 species, 244. 



Polygonum, species, 294, 295. 



Pourtalesia, species, 204-206. 



Pourtalesise, 196. 



Proceedings, 321. 



Prionechinus sagittiger, 202. 



Prosartes, 221. 

 species, 270. 



Pseudorhombus, species, 20, 21, 23. 



Pseudoscordum striatum, 235. 



Psoralea, species, 291. 



Ptychomitrium pyginamm, 136. 



R. 



Ranunculus, species, 289. 

 Rhinobrissus hemiasteroides, 211. 

 Rhombus maculatus, 22. 

 Rotaphone, the, 305. 

 Rumford Committee, Appropria- 

 tions, 321, 325, 327. 

 Rupalleya volubilis, 239. 



Salenia hastigera, 198. 

 Sapium annuum, 298. 

 Schizaster, species, 211, 212. 

 Schcenocaulon, 223. 



species, 280. 

 Schcenolirion, 216, 2S6. 



species, 242. 



vol. xiv. (n. s. vi.) 25 



Schcenoprasum lineare, 228. 

 Scilla, species. 240, 241, 243. 

 Scoliopese, 222. 

 Scoliopus, 222. 



species, 272. 

 Sebastiana Treculiana, 298. 

 Seubertia, species, 237, 238. 

 Siemen's Dynamo-electric Machine, 



122. 

 Silene, species, 290, 291. 

 Smilacina, 218. 



species, 244, 269, 271, 272. 

 Spatagocystis Challenger!, 206. 

 Spatangus purpureus, 193. 

 Spectra, Distribution of Heat in, 

 142. 



Platinum, 156. 



Black oxide of Copper, 159. 



Black oxide of Iron, 161. 



Green oxide of Chromium, 161. 



White oxide of Aluminum, 161. 

 Spectrum, on certain remarkable 



Groups in, 92 

 Sphagnum Garberi, 133. 

 Steel, Results of rapid reversals of 



Magnetization, 115. 

 Stenanthium, 223. 



species, 277. 

 Stillingia, species, 297, 298. 

 Streptanthus sagittatus, 290. 

 Streptopus, 221. 



species, 269. 

 Stropholirion, 215. 



Californicum, 239. 

 Suseda, species, 296, 297. 

 Sullivantia, species, 292. 

 Sun, Temperature of, 106. 

 Systegium erythrostegium, 140. 



T. 



Telephone, a new receiving, 304. 

 Telephony, Researches in, 77. 

 Telescope, Limits of Accuracy in 



Measurements, 168. 

 Temperature of the Sun, 106. 

 Thalictrum, species, 288, 289. 

 Thelypodium ambiguum, 290. 

 Themis ixioides, 238. 

 Theresia pudica, 260. 

 Tofieldia, 224. 



species, 282. 

 Tofieldiea?, 224, 288. 

 Tovaria, species, 244-246. 

 Trigonocidaris monolini, 203. 



