448 



INDEX. 



of the Saprolegnise and Perouo- 

 sporene, 219. 



Ruticilla, new species of, .320. 



Salvin, O., on new species of Butter- 

 flies from tropical America, 1G3. 



Saprinus, new species of, 811. 



Savory, W. S., on tlie sti-ucture of the 

 red blood-corpuscle of the ovipa- 

 rous Vertebrata, 69. 



Sciobius, new species of, 416. 



Sea, on the depths of the, 112. 



Shells, on some British freshwater, 

 341. 



Shi-ew, note on a naked, 360. 



Sittella, new species of, 110. 



Smith, F., on the parasitism of Rhi- 

 piphorus paradoxus, 393. 



Smith, H. L., on the spectroscopic 

 examination of the Diatomacete, 

 218. 



Smith, S. I., on a new genus and two 

 new species of ScyUaridse, and a 

 new species of ^tlira, 228. 



Sorastrum spinulosum, on the deve- 

 lopment of, 420. 



Spatangus Raschi, description of, 

 220. 



Spoggodes, new species of, 361. 



Sponges, on the subspherous, 1 ; 

 new, 189. 



Spongilla, on the reproductive ele- 

 ments of, 19. 



Steindachner, F., on Polypterus La- 

 pradei and P. senegalus, 443. 



Swinhoe, R., on two new species of 

 Sun-birds from South Chma, 430. 



Symphyletes, new species of, 207. 



Tate, R., on the terrestrial MoUusca 

 of San Lucia, 356 ; contributions 

 to Jurassic palaeontology by, 417. 



Tethya, new species of, 3, 7. 



Tetropium, new species of, 382. 



Thomson, Prof. W., on the depths of 

 the sea, 112; on a new genus of 

 Vitreous Sponges, 284. 



Thyca, new species of, 242. 



Thysia, new species of, 208. 



Tineophaga, description of the new 

 genus, 359. 



Tischeria complanella and its para- 

 site, on, 359. 



Tomicus, new species of, 321. 



Trachyphlojosoma, description of the 

 new genus, 414. 



Tribalus, new species of, 310. 



Trigonograpsus, description of the 

 new genus, 231. 



Trochammina pusilla, on the Per- 

 mian, and its allies, 386. 



Urycordylus, new species of, 182. 



Ven-ill, A. E., on a new genus of 

 Jellyfish and two new Actiuians, 

 160; on some new Phyllopod 

 Crustacea, 331. 



Vespa, on the relations of Rhipi- 

 phorus to, 347, 393. 



Voluta, new species of, 34, 140. 



Voluta Thatcheri, on the spire of, 

 140. 



Wedl, Prof., on the systems of ca- 

 pillary vessels in the Gasteropods, 

 365. * 



WoUaston, T. V., on the Coleoptera 

 of St. Helena, 297, 401. 



Worms, on the existence of distinct 

 larval and sexual forms in the 

 gemmiparous Oligochaetous, 102. 



Zacotus, description of the new ge- 

 nus, 373. 



END OF THE FOURTH VOLUME. 



PR I NT K I) n\ TAYLOR AND FRANCIS, 

 RKD MON COURT, FLEET STREET. 



