504. 



I N D E X. 



Tefflus, new species of, 156. 

 Tegetmeier, Mr., on a remarkable 



peculiarity in the skulls of Polish 



Fowls, 482. 

 Tellina, new species of, 312. 

 Tetroniatus, characters of the genus, 



139. 

 Theca, new species of, 472. 

 Thersites, characters of the new genus, 



146. 

 Thonison,M.,on Australian wines,345; 



on plantain flour, 345. 

 Thomson, Rev. A., on the injurious 



effects of Urocerusgigason fir-trees, 



345. 

 Todirostrura, new species of, 422. 

 Tomes, R. F., on some genera of Ves- 



pertihonidaj, 333. 

 Tortoises, on some Indian, 342. 

 Trachys pygma^a, on the metamor- 

 phoses of, 347. 

 Trichopteryx, new species of, 378. 

 Trogon, new species of, 108, 484. 

 Troschel's Gebiss der Schnecken, re- 

 viewed, 83. 

 Trybhonella, new species of, 7- 

 Turacoena, new species of, 267. 

 Turritella, new species of, 466. 

 Tylodina, on the animal and teeth of, 



96. 

 Typhlodromus, description of the new 



genus, 475. 

 Tyrannula, new species of, 422. 

 Urocerus gigas,on the injurious effects 



of, on fir-trees, 345. 



Urothoe, new British species of, 145. 



Vegetable protoplasm, on the trans- 

 formation of, into Actinophrys, 259. 



"VespertilionidiE, on some new, 333. 



Volvocineaj, on the organization and 

 reproduction of the, 187. 



Vorticellaj, on the organization of the, 

 113. 



Water-vascular system, on the so- 

 called, 133. 



Webster, W., on the supposed new 

 British species of Skenea, 269. 



Westwoodia, description of the new 

 genus, 139. 



White, A., on the genus Lithodes, 263; 

 on My gale Emilia, 406. 



Williams, T., on the uses of the sand- 

 canal in the Starfishes, 55 ; on the 

 so-called ^water-vascular system,' 

 133 ; on the mechanism of aquatic 

 respiration in Invertebrate animals, 

 193 ; on the reproductive organs of 

 the Annelids, 393. 



Wines, analyses of three Australian, 

 345. 



Woodward, S. P., on the land and 

 freshwater shells of Kashmir and 

 Tibet, 408. 



Xenops, new species of, 419. 



Zoological Society, proceedings of the, 

 85, 168, 263, 333, 406, 482. 



Zoophytes, new localities for rare, 

 268. 



Zootoca vivipara, var. nigra, note on, 

 107. 



END OF THE NINETEENTH VOLUME. 



PRINTED BY TAYLOR AND FRANCIS, 

 RED MON COURT, FLEET STREET. 



