480 



INDEX. 



Raja, new species of, 154. 



Rliabdomeson, description of the new 

 genus, 837. 



Rhinochoerus sumatranus, note on, 

 400. 



Robertson, D., on the Ostracoda of 

 the Scilly Islands, and on the ana- 

 tomy of Darwinella Stevensoni, 

 114. 



Rowuey, Prof., on Eozoon, 390. 



Royal Society, proceedings of the, 

 do, 166, 249. 



Sabellides, new species of, 207. 



Sanderson, Dr. J. B., on the elec- 

 trical phenomena which accom- 

 pany irritation of the leaf of Dio- 

 nasa muscipula, 178. 



Sarcoptidse, on the, 74. 



Sars, G. 0., on Norwegian Ilydroida, 

 125. 



Schultze, Max, on Eozoon canadense, 

 324, 379. 



Scincidge, new species of, 298. 



Scolecolepis cirrata, on the egg-sacs 

 of, 260. 



Scolyphrus, characters of the new 

 genus, 413. 



Scopodes, new species of, 276. 



Scudder, S. H., on Iphiclides Ajax, 

 186. 



Serranus, new species of, 230. 



Sertularella, new species of, 151. 



Sertularia, new species of, 129, 



Sharpe, R. B., on a new species of 

 Megapode, 448. 



Shells, new, 70. 



Sibia, new species of, 160. 



Siebold, C. von, on the sterile eggs 

 of bees, 65. 



Smith, F., on the genera Epicharis, 

 Centris, Eulema, and Euglossa, 

 318, 357, 440. 



Sphyraena, new species of, 157. 



Spirulae, on the zoological relations 

 of the Ammonites to the, 183. 



Sponges, new, 144 ; on the arrange- 

 ment of, 284 ; on the relationship 

 of the, to the Ascidians, 433. 



Spongozoa of Halisarca Dujardinii, 

 on the, 315. 



Slebbing, Rev. T. R. R., on a new 



British species of Arcturus, 291. 

 Stellio, new species of, 453. 

 Stromatopora, on the affinities of the 



genus, with descriptions of new 



species, 4. 

 Sus scrofa, on the structure and de- 

 velopment of the skull in, 249. 

 Syllis, new species of, 295. 

 Symborodon, new species of, 406. 

 Syncoryne, new species of, 136. 

 Tachys, new species of, 274. 

 Techmessa, characters of the genus, 



113. 

 Termites, contributions towards the 



natural history of the, 402. 

 Tetrastemma, new species of, 409. 

 Timareta, new species of, 383. 

 Titsena, new species of, 103. 

 Tranes, new species of, 387. 

 Tremarctos, on the genus, 15. 

 Trijenophorichthvs, new species of, 



156. 

 Triplosai'us, characters of the new 



genus, 270. 

 Tropopterus, new species of, 241. 

 Umbellula, on specimens of, 258. 

 Vermes of the second North-German 



polar voyage, 196. 

 Verrill, A. E., on the occurrence of 



gigantic cuttlefishes on the coast 



of Newfoundland, 255. 

 Vex-tebrates, on the number of classes 



of, and their mutual relations, 71. 

 Walden, Viscount, on two new species 



of birds, 123. 

 Whale, on the Bermuda Hump- 

 backed, of Dudley, 186. 

 Willemoes-Suhm, Dr. R. v., on a 



Land-Nemertean found in the 



Bermudas, 409. 

 Williamson, Prof. W. C, on the 



Asterophyllites, 60. 

 Wood-Mason, Mr., on the geogra- 

 phical distribution of Carcinus 



msenas, 405. 

 Xeuelaphus, observations on, 331. 

 Xestoleberis, new species of, 116. 

 Young, Messrs., on a new genus of 



carboniferous Polyzoa, 335. 



END OF THE THIRTEENTH VOLUME. 



PBINTKD BY TAYLOR AND FRANCIS, 

 RED LION COUKT, FLEET STREET. 



