CONTENTS. Vll 



^'^^ 

 LTV. Description of a new Genus and Species of Cicindelidce 



allied to Tetracha, from South Africa (Coleoptera Geodephaga). By 



Charles O. Waterhouse '. 424 



LV. On a Carboniferous Hijalonema and other Sponores from Ayr- 

 shire. By Professor J. Yor:N"& and Mr. J. Youxg, F.G.S. (Plates 

 XIV. & XV.) 425 



LVI. Preliminary Xotes on new Fishes collected in Japan during 

 the Expedition of H.M.S. ' Challenger.' By Dr. A. Gl'XTHer, 

 F.R.S., Keeper of the Zoological Department, British Museum .... 4-^ 



QO 



M. K. A. Zittel on Fossil Hexactinellida, by W. Savilie Kent, 

 F.L.S. ; Phenomena accompanying the Metnmoi-phosis of Lihtl- 

 lida depressa, by M. Jousset de Bellesme ; On the Termination 

 of the Xerves in the Electrical Apparatus of the Torpedo, by 

 M. C. Rouget; Prof. Haeckel's Group of the Physamarite 446 — 448 



XUMBER CXX. 



LVII. Report on the Echinodermnta collected diu-ing the Arctic 

 Expedition, 1875-76. By Prof. P. Martin Duxcan, M.B. Lond., 

 F.R.S., Pres. Geol. Soc, and W. Percy Sladex, Esq., F.G.S. , 

 F.L.S., &c 449 



LVIII. Description of a new Species of Foraminifera {Rotalia 

 spiculotesta). By H. J. CaRTER, F.R.S. &c. (Plate XVI.) 470 



LIX. Descriptions of new Species of Heterocera from Japan. — 

 Part I. Sphinges and Bombvces. By Arthur G. Butler, F.L.S. , 

 F.Z.S., &c : ' 473 



LX. The Post-tertiarv Beds of Grinnell Land and Xortli Green- 

 land. By H. W. Feildex. F.G.S., C.M.Z.S., Naturalist to the late 

 Arctic Expedition ; and Note by J. Ga\'yx Jeffreys, LL.D., F.R.S. 4^'i 



LXI. Appendix to Papers "On the Distribution of Birds in North 

 Russia" ('Annals,' 1877) — being Additions to the Data for the . 

 Southern Di^-ision, by Herr Richard Sievers (with Summaries up to 

 Date). By J. A. IIarvie Browx, F.Z.S 494 



LXn. The Nomenclature of the Groups oi RatitcB. By Alfred 

 Newton, M.A., F.R.S., V.P.Z.S 499 



LXIII. Studies on Fossil Sponges. — I. Hexactinellida. By 

 Karl Alfred Zittel . . , 501 



LXIV. On two new British Nudibranchiate Mollusca. By the 

 Rev. A. M. NoR.MAN, M.A 517 



LXV. Descriptions of supposed new Birds from tlie Naga Hills 

 and Eastern Assam. By Lieut.-Col. II. H. Godwix-Austkn, 

 F.Z.S. &c ' •'519 



LXVI. On British Polyzoa. — Part II. Classification. By the Rev. 

 Thomas Hincks, B.A., F.R.S ' 520 



