I N D E X. 



499 



Papilionaceous flowers, on the agency 



of bees in the fertilization of, 459. 

 Paramecium, on the generative organs 



of, 439. 

 Peach, C. W., on the nature-printing 



of sea-weeds on the rocks of Strom- 



ness, 50. 

 Pelargodeinis, new species of, 2/4. 

 Peneroplis, on the structure of the 



genus, 290. 

 Phalacrus, new species of, 206. 

 Phaleria, new species of, 284. 

 Phanerogamia, on the cambium-lajer 



of the stems of, 389. 

 Phellia, description of the new genus, 



192. 

 Philhydrus, new species of, 209. 

 Phrissoma, new species of, 264. 

 Phrjneta, new species of, 270. 

 Phyllangia, on a new British species 



6f, 349. 

 Pisidium, on the smaller British spe- 

 cies of, 104. 

 Placodus, on the saurian nature of, 288. 

 Placunopsis, new species of, 262. 

 Planchon, Dr. J. E., on the parasitism 



of Osyris alba, 254. 

 Plants, on the influence of the moon's 



light on, 310. 

 Platypus, new species of, 286. 

 Platyrhynchus, new species of, 316. 

 Platj'soma, new species of, 207. 

 Plesiosaurus, on the atlas and axis of 



the, 361. 

 Poephila, new species of, 263. 

 Pourtales, L. F., on the genera Or- 



bulina and Globigerina, 235. 

 Praepodes, new species of, 357- 

 Praniza, on the metamorphosis of, 



into Anceus, 164. 

 Prognatha, new species of, 205. 

 Psammodius, new species of, 2U7. 

 Pteropus, new species of, 218. 

 Ptinus, new species of, 283. 

 Pustularia, description of the genus, 



386. 

 Pjriglena, new species of, 147, 373. 

 Rhizopod tvpe of animal life, on the, 



Rhyncolus, new species of, 410. 

 Rhyzopertha, new species of, 409. 

 Rhyzophagiis, new species of, 206. 

 Ris'soa, new British species of, 127- 

 Robert Brown, notice of the late, 80. 

 Roval Institution of Great Britain, 

 proceedings of the, 74, 213. 



Royal Society, proceedings of the, 59, 



288. 

 Salamandridse, on the, 292. 

 Sarcodictyon catenata, observations 



on, 276. 

 Scarites, new species of, 203. 

 Sclater, P. L., on new species of birds, 



144, 225, 235, 316, 372, 465, 472 ; 



on the variation in form of the 



U})per mandible iu a rapacious bird, 



163 ; on EuchBetes coccineus, 494. 

 Scolopax gallinago, on the humming 



of the, 303. 

 Scops, new species of, 229. 

 Sea- Anemones, descriptions of new 



British, 192. 

 Sea-weeds, on the nature-printing of, 



on the rocks of Stromness, 50. 

 Seeley, H., on two new species of 



Goniaster, 335, 

 Selenophorus, new species of, 204. 

 Semper, C, on the anatomy and de- 

 velopment of Myzostoma, 236. 

 Shells, on the liability to injury of, 



from the growth of a fungus, 493. 

 Sdoboura, characters of the genus, 377. 

 Silvanus, new species of, 207. 

 Sisyphus, new species of, 208. 

 Sitaris, on the hypermetamorphosis 



and habits of, 84. 

 Sitophilus Oryzie, note on, 360. 

 Sotheby, S. L., on a talking canary, 



371." 

 Sowerby, W., on the flowering of the 



American aloe, 307. 

 Spathinus, description of the new 



genus, 428. 

 Sphaeridium, new species of, 209. 

 Sphenophorus, new species of, 359. 

 Stavelia, description of the genus, 62. 

 Stems, on the structure of, 389. 

 Strongylium, new species of, 285. 

 Symi^heletes, new species of, 269. 

 Symphyus, description of the new 



genus, 180. 

 Synallaxis, new species of, 145. 

 Syugnathus, on the habits of, 199 ; 



on a species of, lately found at 



Scarborough, 416. 

 Synosomus, description of the new 



genus, 358. 

 Syrnium, new species of, 228. 

 Talpa, new species of, 494, 

 Tancredia, new species of, 261. 

 Tanvsiphou,observati(ms on the genus, 

 116. 



