544 



NDEX. 



the bone-bed of Bristol, 502 ; on the 

 lias bone-bed of Gloucestershire, 511. 



Sula melanura, notice respecting, 238. 



Surinam, descriptions of plants from, 12. 



Sylviadae, on a new genus of, 527. 



Tarsipes Spenserae, on the habits of the, 76. 



Tautoga, new species of, 358. 



Taylor, Dr. T., on two new species of Bri- 

 tish mosses, 208. 



Tchitrea, new species of, 371. 



Tenthredo, on the habits of a, 241, 376. 



Tetracaulodon, observations on the, 147. 



Tetralobus, new species of, 395. 



Tetramerocrinites, new species of, 203. 



Tetrao medius, notice respecting, 70. 



Tetraogallus, observations on the genus, 

 52.3. 



Tetrastichus, new species of, 188. 



Theine, on the presence of, in Ilex Para- 

 guyensis, 237. 



Thompson, W., on the Crustacea of Ire- 

 land, 102 ; on Piigurus Prideauxii, 238 ; 

 on the birds of Ireland, 2S3. 



Thwaites, Mr., on the genus Hylaeus and 

 on Cryptus bellosus, 60. 



Tornatella, monograph of the genus, 387. 



Torpedo, experiments on the, 406. 



Trichormus, description of the new genus, 

 163. 



Trichostomum, new species of, 208. 



Triphoris, description of the genas, 16. 



Triton aquaticus, on the nervous and cir- 

 culating systems of the, 290. 



Turdus Whitei, notice respecting, 78. 



Turtle-dove, history and habits of the, 287. 



Vaucheria, new species of, 429. 



Vegetable organisms, occurrence of, in the 

 stomach, 125; parasitic in living ani- 

 mals, account of some, 126. 



Vespertilionidse, new genera and species 

 of, 117. 



Voluta, new species of, 312. 



Vulpes, description of a new species of, 

 118. 



Walker, F., descriptions of Chalcidites 

 collected by Mr. Darwin, 30, 115, 184. 



Ward, N. B., on the introduction of the 

 Musa Cavendisii into the Navigator 

 Islands, 321. 



Waterhouse, G. R., on new species of 

 coleopterous insects, 247, 281 ; on two 

 new species of marsupial animals, 306 ; 

 on some new species of Mammalia, 533. 



Wernerian Natural History Society, pro- 

 ceedings of the, 69. 



Weslwood, J. O., on a new genus of la- 

 mellicorn beetles, 68, 315; on some 

 exotic genera of the sacred beetles, 61 ; 

 on three new species of Rhipicera, 66 ; 

 on the habits of Lyda inanita, 376 ; on 

 some new Coleoptera, 535. 



Whales, capture of bottle-nosed, 238. 



Willows, on a new specific character of, 20. 



Wilson, J., on the occurrence of Tetrao 

 medius in Scotland, 70. 



Wilson, W., on the structure and functions 

 of the pollen granules, 182. 



Xanthidium, on a new species of, 155. 



Young's, T., Narrative of a Residence on 

 the Mosquito Shore, reviewed, 53. 



Young, J., on the growth of the salmon, 

 157. 



Zoological Society, proceedings of the, 141, 

 213, 302, 383,' 466, 514. 



Zoology, propositions for rendering uni- 

 form and permanent the nomenclature 

 of, 259. 



Zoology of the Voyage of H.M S. Sul- 

 phur, reviewed, 457. 



Zoophytes, marine, on three species of,l 11. 



Zornia, new species of, 14. 



Zygnema, observations on the genus, 430. 



END OF THE ELEVENTH VOLUME. 



PRINTED BY RICHARD AND JOHN E. TAYLOR, 

 RED LION COUKT, FLEET STEEET. 



FLAMMAM. 



