CONTENTS. V 



Page 



NUMBER LXI1I. 



XX. Ou the Cyclical Development and the Relationships of the 

 Siphonophora. By Dr. Carl Chun. (Plate V.) 168 



XXI. On Rhynchota from Mergui. By W. L. Distant 169 



XXII. On some African Species of the Ilomopterous Genus Piatt/' 

 pleura. By W. L. Distant. (Plate II. figs. CAD.) 172 



XXIII. Description of a new Species of Rhopalocera. By W. L. 

 Distant " 174 





XXIV. Description of a new Genus of Geckos. By G. A. Bou- 



LBK0BB ib, 



XXV. Some Remarks on the Vaagmser {Trachypterus arcticus) 

 and the Herring-king {Regalecus Banhsii). By Dr. C. Litken . . 176 



XXVI. Shells of the Littoral Zone in Jersey. — Supplement. By 



E. Duprey 1^5 



XXVII. Descriptions of four new Species of Helicidce. By Edgar 



A. Smith 190 



XXVIII. Contributions towards a General History of the Marine 

 Polvzoa. By the Rev. Thomas Hincks, B.A., FJLS. (Plates VI. & 

 VII.) 193 



XXIX. Description of a new Genus of Ccecilice. By G. A. Bou- 



LENGER 202 



XXX. The ' Challenger' Amphipoda. By the Rev. Thomas 



R. R. Stebbixg 203 



Proceedings of the Dublin Microscopical Club 208 — 216 



New Book :— Den Norske nord-havs-expedition 1876-1878. VIII. 



Zoologi, Mollusca. I. Buccinidce, ved Herman Friele 216 



On the Suctociliata of M. de Mereschkowsky, by M.E. Maupas; On 

 the Molluscan Fauna of the Varangerfjord, by MM. G. Pouchet 

 and J. de Guerne ; Contributions to the Developmental History 

 of the Prosobranchiata, by Dr. Carl Rabl ; On a new attached 

 Crinoid, Democrinus Parfaiti, from the Dredgings of the ' Tra- 

 vailleur/ by M. E. Perrier 219—223 



NUMBER LXIV. 



XXXI. Further Remarks on the Morphology of the Blastoidea, 

 with Descriptions of a new British Carboniferous Genus and some 

 new Devonian Species from Spain. By R. Etheridge> Jun., and P. 

 Herbert Carpenter, M.A., Assistant Master at Eton College. . . . 226 



