524 
Sowerby, G. B., on a new species of 
Tomigerus, 59; on two newly dis- 
covered species of Cyclostoma, 60. 
Spheronema, new species of, 371. 
Spheropsis, new species of, 374. 
Spline on the British species of, 
30. 
Sphasus, new species of, 52. 
Spilonota, new species of, 111. 
Sporidesmium, new species of, 459. 
Sporoschisma, characters of the ge- 
nus, 461. 
Stein, Dr. F., on the nature of the 
Gregarine, 429. 
Stilbum, new species of, 465. 
Streptosolen, observations on the ge- 
nus, 207. 
Strickland, H. E., on the occurrence 
of Charadrius virginiacus at Malta, 
40. 
Swan, wild, on a peculiarity of struc- 
ture observed in the aorta of the, 
139. 
Syme, J. T., on some of the rarer 
plants observed in Orkney, 266. 
Taylor, R., on the wild animals of an- 
cient Britain, 238. 
Tegenaria, new species of, 52. 
Terebratulz, fossil, examination of 
Lamarck’s species of, 433; on the 
structure of some, 449. 
Termitide of West Africa, observa- 
tions on the, 92. 
Tetraploa, description of the genus, 
459. 
Thompson’s, W., Natural History of 
Treland, reviewed, 218. 
Thomson, W. T. C., on some Seotch 
freshwater Alge, 143. 
Toads, way in which they shed their 
skins, 430. 
Tomigerus, new species of, 59. 
Torrens, H., on popular impressions in 
India regarding the natural history 
of certain animals, 512. 
Torula, new species of, 460. 
Townsend, F., on a supposed new spe- 
cies of Glyceria, 104. 
INDEX. : ‘ 
f Yd 
ba fy 
am 
[Fi & 7? 
Trichia, new species of, 367. 
Trichites, observations on, 343. 
Trichormus, on the British species of, 
S278 
Trigonia, description of the animal of, 
141. 
Tuburcinia, new species of, 464. 
Turner, H. N., on the dissection of 
the Paradoxurus Typus and of Di- 
pus Agyptius, 135. 
Turner, W., on the way in which toads 
shed their skins, 430. 
Uredo, new species of, 463. 
Urolepis, new species of, 131. 
Van Beneden, P. J., on a new genus * 
of Cestoid worm, 42. 
Vande, on the structure of the, 36. 
Vermicularia, new species of, 378. 
Veronica, new species of, 47. 
Voelcker, A., on the watery secretion 
of the leaves and stems of the ice- 
plant, 171. 
Vogt, M., on some inhabitants of 
freshwater muscles, 450. 
Volutella, new species of, 465. 
Von Buch, L., on the characteristic 
fossils of the chalk formation, 381. 
Walker, F., on new species of Chal- 
cidites, 125; on the British Aphides, 
14, 269, 388. 
Wallace’s, Mr., journey to explore-the 
natural history of South America, 
156. 
ear description of the genus, 
474. 
Weevil, on the employment of tar to 
preserve wheat from the attack of 
the, 236. 
Westwood, J. O., on the large African 
species of nocturnal Lepidoptera, 
290, 395; on some new species of 
Pausside, 493. 
Wheat midge, observations on some 
specimens of, 152. 
White, A., on apparently new species 
of Aptera, 50. 
Zoological Society, proceedings of the, 
48, 133, 224, 290, 395; 501. 
END OF THE FIFTH VOLUME. 
PRINTED BY RICHARD AND JOHN Et. TAYLOR, 
RED LION COURT, FLEET STREET. 
