504 



INDE X. 



fa I 



Stokes, Dr. A. C, on some new In- 

 fusoria, 437. 



Strecker, H., on a spscimeu of Simia 

 cecropia with a fifth aborted win?, 

 426. 



Stroinatium, new species of, 55. 



Stylonichia, new species of, 440. 



Suberites, new species of, 113. 



Svbropis, characters of the new 

 genus, 52. 



Synascidia, new species of, 199. 



Teratosoma, new species of, 471. 



Terebra, new species of, 329. 



Teretrius, new species of, 470. 



Tilliua, new species of, 441. 



Tomes, 11. F., on Madreporaria from 

 the Great Oolite of Oxford &c, 

 270. 



Trichonympha, new species of, 

 451. 



Tryponseus, new species of, 469. 



Urnatella gracilis, note on, 274. 



Urostyla, new species of, 444. 



Vejdowsky, Prof. F., on some fresh- 

 water Sponges, 13. 



Vermipsylla, description of the new 

 genus, 270. 



Vine, G. R.. on species of Phyllopora 



and Thamuiseus from the Lower 

 Silurian near Welshpool, 269. 



Vorticella, new species of, 443. 



Walford, E. A., on the Jurassic Tri- 

 gonioe of North Oxfordshire, 267. 



Waterhouse, C. O., on a new species 

 of Mecynod^ra, 342 ; on new 

 Ooleoptera, 377. 



Waters, A. W, on fossil Chilosto- 

 matous Bryozoa from South Aus- 

 tralia, 354. 



Wood, S. V., on a new deposit of 

 Pliocene age at St. Erth, Corn- 

 wall, 66. 



Woodford, C. M., on some Lepido- 

 ptera collected in the Ellice and 

 Gilbert Islands, 414. 



Woodward, Dr. H., on a skeleton of 

 Rhytina gigas, 420. 



Xenonychus, new species of, 468. 



Xixuthrus, new species of, 383. 



Xoanodera, new species of, 53. 



Zacharias, Dr. O., on the reproduc- 

 tion and development of Rotifer 

 vulgaris, 125. 



Zoarces viviparus, on the spawning 

 of, 430. 



Zygoselniis, new species of, 4.">'.». 



END OF THE FIFTEENTH VOLUME. 



PRINTED BY TAYJ.OK AND FRANCIS, 

 RED LION COURT, FLEET STKEET. 



