CONTENTS. Vll 



Page 

 LTV. Description of a new Genus and Species of CicindelidtB 

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

 Charles O. Waterhouse '. 424 



LV. On a Carboniferous HyaJonema and other Sponp-es from Ayr- 

 shire. Bv Professor J. Young and Mr. J. Young, F.G.S. (Plates 

 XIV. & XV.) 425 



LVI. Preliminary Notes on new Fishes collected in Japan during 

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

 F.R.S., Keeper of the Zoological Department, British Museum .... 433 



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

 F.L.S. ; Phenomena accompanying the Metamorphosis of Libel- 

 hda deprossa, by M. Jousset de Bellesme ; On the Termination 

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

 M. C. Rouget ; Prof. Haeckel's Group of the Physamarife 4J6— 448 



NUMBER CXX. 



LVII. Report on the Echinodermata collected during the Arctic <-rti 

 Expedition, 1875-70. By Prof. P. Martin Duncan, M.B. Lond., 

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

 F.L.S., &c 449 ^ 



LVni. Description of a new Species of Foraminifera {Rotalia 

 spicidotesta). By II. J. CaRTER, F.R.S. &c. (Plate XVI.) 470 



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

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

 F.Z.S., &c 473 



LX. The Post- tertiary Beds of Grinnell Land and Nortli Green- 

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

 Arctic Expedition ; and Note by J. Gwyn Jeffreys, LL.D., F.R.S. 483 



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

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

 Southern Division, by Herr Richard Sievers (with Summaries up to 

 Date). By J. A. Harvie Brown, F.Z.S 494 



LXII. The Nomenclature of the Groups oi Hatitee. By Alfred 

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



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

 Karl Alfred Zittel rjQl 



LXIV. On two new British Nudibranchiate MoUusca. By the 

 Rev. A. M. Norman, M.A '. . . . 517 



LXV. Descriptions of supposed new Birds from the Naga Hills 

 and Eastern Assam. By Lieut.-Col. H. H. Godwin-Austen, 

 F.Z.S. &c 519 



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

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



