CONTENTS. 



NUMBER XXXIX. 



Page 



XVIII. On some new or little-known Infusoria. By C. Merescii- 

 KOWSKY. (Plate XII.) 201) 



XIX. On Si/naxes, a new Genus of Crustacea. By C. Spence 

 Bates, F.U.S.'&c. (Plate XIV.) 220 



XX. On the first Part of a Memoir by Mous. Charles Oberthiir 

 on the Lepidoptera of the Isle of Askold. By Arthur G. Butler, 

 F.L.S., F.Z.S., &c 228 



XXI. Contribution to the Knowledge of tlie Family Tintinnodea. 

 By Hermann Fol, Professor in the University of Geneva. 

 (Plate XVII. figs. 1-6.) 237 



XXII. On Viquesnelia atlantica, Morelet & Drouet. By Fran- 

 cisco d'Arruda Furtado. (Plate XIII.) ." 250 



XXIII. Relation of Devonian Insects to Later and Existing Types. 



By Saumel H. Scudder 255 



XXIV. On Siliceous Sponge-growth in the Cretaceous Ocean. 



By Surgeon-Major Wallich, M.D 261 



XXV. On Sjxyngilla cinerea. By H. J. Carter, F.R.S. &c 263 



XXVI. Further Note on ^rjo«?or/f?/Hc7tMS (or Colossendeis) Smithii. 



By Edward J. Miers, F.L.S., F.Z.S 264 



Proceedings of the Geological Society 266, 267 



New Books : — Fossil Sponge-Spicules from the Upper Chalk, found 

 in the Interior of a Single Fliutstoue from Ilorstead, Norfolk. 

 By G. J. IIiNDE, F.G.S. — Fossil Foraminifera of the Carboni- 

 ferous Limestone : 1. The Spirally-coiled Foraminifera of the 

 Carboniferous Limestone of Russia. 2. The Foraminifera of 

 the Carboniferous Limestone of Russia. By Valerian Von 

 Moller, Professor at the Mining Institute. — Aid to the Identi- 

 fication of Insects. Edited by C. O. Waterhouse. Litho- 

 graphs by E. Wilson 268—272 



On the Starfishes dredged in the deeper Regions of the Gulf of 

 Mexico and the West-Indian Sea by the American Ship ' Blake,' 

 by M. E, Perrier ; On the Guliga of Borneo, by A. Hart Everett ; 

 On the Histology of the Pedicellariaj and of the Muscles of 

 Echinus sph(dra, Forbes, by MjNI. P. Geddes and F. E. Beddard ; 

 On the Formation of the Blastoderm in the Arancida, by M. A. 

 Sabatier ; Acincta dihdidleria, a new Species of JNIariue Infu- 

 soriau from the Gulf of Genoa, by Dr. Conrad I'aroua. . . . 272 — 279 



