464 
Thamnistes, new species of, 216. 
Thaumatias, new species of, 304. 
Tomes, R. F., on a new species of 
Opossum, 73. 
Trionyces, on the African, 440. 
Trionyx, new species of, 218. 
Trochilidz, new, 301. 
Trogophlceus, new species of, 105. 
Tropidococcyx, description of the new 
genus, 428. 
Tupaia, new species of, 217. 
Turbonilla, new species of, 418. 
Tyrannulus, new species of, 216. 
Udekem, M. a’, on some parasites of 
Iulus terrestris, 80. 
Umbonium vestiarium, on the animal 
of, 288. 
Valenciennes, M., on the corymbose 
Madrepores, 79. 
INDEX. 
Walker-Arnott, Dr. G.A., on Hyperi- 
cum anglicum, 362. 
Walker, F., on some undescribed in- 
sects from Ceylon, 357. 
Wallace, A. R., on Semioptera Wal- 
lacii, 75. - 
Wallich, Dr. G. C., on the presence of 
a life at vast depths in the sea, 
457. 
Wollaston, T. V., on certain musical 
Curculionide, with descriptions of 
two new Plinthi, 14; on new Co- 
leoptera from Madeira, 48, 100. 
Wright, Dr. E. P., on the new genus 
Dunlopea, 54. 
Zafra, description of the new genus, 
331. 
Zoological Society, proceedings of 
the, 65, 127, 211, 301, 438. 
END OF THE SIXTH VOLUME. 
PRINTED BY TAYLOR AND FRANCIS, 
RED LION COURT, FLEET STREET. 
