472 



INDEX. 



Schedophilus, new species of, &J . 



Schomburgk, Sir R., on Diardigallus 

 Crawfurdi, 383. 



Sciurus, new species of, 132. 



Scorpaena ustulata, notes on, 239. 



Setarches, characters of the new ge- 

 nus, 68. 



Shells, on the Indian species of land-, 

 81, 87. 



Shortt, Dr., on the habits of Daboia 

 elegans, 384. 



Silvanus, new species of, 217. 



Siphonalia, on the Japanese species 

 of, 202. 



Sitoues, new species of, 220. 



Snakes, descriptions of new, 20. 



Solea oculata, notes on, 237. 



Sophina, on the animal of, 323. 



Species, on the origin of, 415. 



Spiders, descriptions of new, 29. 



Spiraxis, new species of, 90. 



Stenotis, new species of, 351. 



Stieda, L., on the Tseniaj, 101. 



Stimpson, Dr.W., on the classification 

 of the Brachyura, and on the homo- 

 logies of the antennary joints in 

 the Decapod Crustacea, 233. 



Suess, Prof. E., on the former con- 

 nexion of North Africa with South 

 Europe, 429. 



Synaphobranchus, characters of the 

 new genus, 60. 



Syrrhaptes, on the osteology of, 300. 



Taeniae, on the anatomy of the, 101. 



Taheitia, characters of the new genus, 

 19. 



Tarus, new species of, 214. 



Teinostoma, new species of, 267. 



Teleuraspis nummifera, notes on, 25. 



Telopes, new species of, 218. 



Tetragnatha, new species of, 41. 



Textulariae, on the, 91. 



Thomson, Prof. W., on the embryo- 

 geny of Comatula rosacea, 297. 



Thylacium, new British species of, 167. 



Thyrsoidea, new species of, 60, 



Tinamus, on the osteology of, 300. 



Todopsis, new species of, 67. 



Trechus, new species of, 216. 



Trichodesmium Ehrenbergii, observa- 

 tions on, 182. 



Tubiclava, characters of the new ge- 

 nus, 9. 



Tubularia, new species of, 12. 



Tubularidae, new British species of, 8. 



Tunicata, on the British, with de- 

 scriptions of new species, 153. 



Umbonella, characters of the genus, 

 265. 



Umboniidae, on new genera and spe- 

 cies of, 264. 



Unicom of the ancients, note on the, 

 72. 



Vegetable tissue, on the action of 

 magenta on, 308. 



Walker, R., on some fossil fishes of 

 Dura Den, 73. 



Wallace, A. R., on the proposed change 

 in name of Gracula pectoralis, 15 ; 

 on new birds from New Guinea, 56; 

 on three new species of Pitta, 133. 



Wallich, Dr., on an undescribed indi- 

 genous form of Amoeba, 287, 365 ; 

 on the structure of the valves of 

 Pleurosigma and other Diatoms, 

 351 ; on Amoeba villosa and other 

 Rhizopods, 434. 



Wasps, on the form of the cells made 

 by various, 415. 



Wollaston, T. V., on new Canarian 

 Coleoptera, 214. 



Zeus conchifer, notes on, 245. 



Zoological Society, proceedings of the, 

 55, 131, 222, 299, 380. 



END OF THE ELEVENTH VOLUME. 



PKINTED BY TAYLOR AND FRANCIS, 

 RED LION COURT, FLEET STREET. 



