492 
Rhagerrhis, new species of, 422. 
aoe? as sauroides, observations 
on, 349. 
Rhizodus Hibberti, on some remains 
of, 346. 
Rotatoria, on the mode in which 
certain, introduce food into their 
mouths, 309. 
Royal Society, proceedings of the, 
145, 220. — 
Salarias, new species of, 458. 
Salpingceca, description of the new 
genus, 199. 
Schiddte, Prof. J. C., on the struc- 
ture of the mouth in sucking 
Crustacea, 1; on the metamor- 
phoses of Coleoptera, 297; on the 
genus Stalita, 299; on the posi- 
tion of the eyes in Pleuronectide, 
378. 
Scott, J., on the names Ps pow to 
the British Hemiptera Hetero- 
ptera, 278. 
Sea-anemones, on some gigantic, 
containing within them quasi- 
parasitic fish, 31. 
Seals, on the, of the antarctic seas 
and the Cape of Good Hope, 215. 
Sebastes viviparus, note on the occur- 
rence of, off the British coast, 312. 
Seguenza, Prof. G., on a new genus 
of Foraniinifera, 333. 
Semper, C., on the formation of 
coral-reefs, 486. 
Sharks, note on rare British, 76. 
Silybura grandis, note on, 414. 
Simotes, new species of, 416. 
Smelts breeding in an aquarium, 486. 
Snakes, on new species of, 413. 
Sonnerat’s Gingee Squirrel, note on, 
309; 
Spinax niger, note on the occurrence 
of, off the British coast, 312. 
Spiraxis, new species of, 438. 
Sponges, on the “ vitreous,” 114 ; on 
the arrangement and nomencla- 
INDEX. 
ae of, 161; on some rare Irish, 
07. a 
Spongie ciliate, on the, 133, 188, 
250. 
ve Meyeni, on a variety of, 
47. 
Squirrels, Indian and Burmese, er- 
rata in localities of, 151. . 
Stalita, observations on the genus, 
299. 
Stenogyra, new species of, 438. 
Sternopygus, new species of, 481. 
Terebratula pseudo-jurensis, on the 
occurrence of, in England, 386. 
Tetragonopterus, new species of, 480. 
Tholichthys, description of the new 
genus, 457. 
Thomson, Dr. W., on the “ vitreous” 
Sponges, 114. 
Tragops javanicus, note on, 424. 
Tropidonotus, new species of, 420. 
eo ore, on the structure of the, 
227. 
Uea, new species of, 447. 
Van der Hoeven, Prof. J., notice of 
the late, 312. : 
on on the influence of, on 
the composition of carbonate-of- 
lime waters, 145. 
Verrucaria, new species of, 29, 483. 
Vertebrata, on the first formation of 
the body in the, 231. 
Voluta, new species of, 54; on the 
habits of, 310. : 
Walker, J. F., on the occurrence of 
Terebratula pseudo -jurensis in 
England, 386. 
Warington, R., on the influence of 
animal and vegetable life on car- 
bonate-of-lime waters, 145. 
White, Dr. C. A., on the shell-struc- 
ture of certain Naiades, 485. 
Xenocalamus, description of the new 
genus, 414. 
Zonites, new species of, 440. 
END OF THE FIRST VOLUME. 
PRINTED BY TAYLOR AND FRANCIS, 
RED LION COURT, FLEET STREET. 
