464 



INDEX. 



Sacculinidia, new species of, 234. 

 Salamandra, on two new species of, 



297. 

 Salticus, new species of, 403. 

 Salvin, O. , on new species of diurnal 



Lepidoptera, 141. 

 Sarcoptidse, on the avicolar, 78. 

 Sars, G. O., on the development of 



marine Fishes, 389. 

 Schimper, M., on the Calamites and 



fossil Equiseta, 235. 

 Sclerochilus, new species of, 224. 

 Seaweed, on a, new to the British 



flora, 401. 

 Semper, Dr. C, on Euplectella as- 



pergillum and its inhabitants, 2G ; 



on a new class of Echinodermata, 



316 ; on a new genus of Comatuli- 



dae, 362 ; on Hyalonema Schultzei 



and on Eurete, 372. 

 Semperella, characters of the genus, 



376. 

 Sichel, M., on the fixation of the 



limits between species and varie- 

 ties, 171. 

 Siebold, Prof, von, on the law of 



development of the sexes in in- 

 sects, 205. 

 Solitaire, on the osteology of the, 



159. 

 Species, on the fixation of the limits 



between varieties and, 171. 

 Spiders, descriptions of new, 403. 

 Spirifer cuspidatus, monograph of, 



1, 138, 295. 

 Sponge, on a remarkable, from the 



North Sea, 81. 

 Sponges, on the contractile tissue of, 



236. 

 Steindachner, Dr., on a remarkable 



form of Pleuronectidse, 80. 

 Tessarops, description of the new 



genus, 412. 



Tetilla euplocamos, note on, 319. 



Tetralobus, new species of, 99. 



Thomisus, new species of, 405. 



Thomson, Prof. W., on Hyalonema, 

 320. 



Thorell, T., on the Aranea lobata of 

 Pallas, 186. 



Thylacinus, new species of, 296. 



Tinnunculus cenchris, note on the 

 occurrence of, 75. 



Tricuspidariese, observations on the, 

 39, 49. 



Tristram, Rev. H. B., on the geo- 

 graphical and geological relations 

 of the fauna and flora of Palestine, 

 63. 



Typton, on the British species of, 

 119, 176. 



Vaillant, L., on the anatomy of Pon- 

 tobdella verrucata, 170. 



"Vallea, on the species of, 47. 



Varicellaria, on the germination of 

 the spores of, 446. 



Volutes, on the habits of the, 454. 



Volutidae, on the Japanese species 

 of, 367. 



Walker, J. F., on the occurrence of 

 the genus Anser in the peat-de- 

 posits of Cambridgeshire, 388. 



Wallich, Dr. G. C, . on Coccoliths 

 and Coccospheres, 317. 



Wedl, C, on capillary vascular sys- 

 tems in the Gasteropoda, 459. 



Whales, on the pelvis and hind limbs 

 of, 79. 



Wood, Dr. H. C, on some Alga3 from 

 a Calif ornian hot spring, 231. 



Wright, Dr.E.P.,;on Hyalonema, 320 ; 

 on Lodoicea sechellarum, 340 ; on 

 deep-sea dredging, 423; on the 

 Bats of the Seychelles, 436 j on 

 the transportation of living fish, 

 438. 



• i 



ENI^ OF THE SECOND VOLUME. 



PRINTKD BY TAYLOR AND FRANCIS, 

 RED LION COURT, FLEKT STREET. 



