IV CONTENTS. 



Page 

 X. List of the Species of Crustacea collected by the Rev. A. E. 

 Eaton at Spitzberoen in the Summer of 1873, with their Localities 

 and Notes. By Edward J. Miers, F.L.S., F.Z.S., Assistant in the 

 Zoological Department, British Museum 131 



XL Descriptions of new Genera and Species of New-Zealand 

 Coleoptera.— Part IV. By Francis P. Pascoe, F.L.S. &c 140 



XII. Contributions to the History of the Hydroida. Bv the Rev. 

 Thomas Hincks, B.A., F.R.S. (Plate XIL) ". 148 



XIII. New and peculiar Mollusca of the Order Solenoconchia 

 procured in the 'Valorous' Expedition. By J. Gwyn Jeffreys, 

 LL.D., F.R.S 153 



XIV. On the Fundamental Error of constituting Groniia the Type 

 of Foraminiferal Structure. By G. C. Wallich, M.D., Surgeon- 

 Major Retired List H.M. Indian Army 168 



Neiv Books: — The Primaeval World of Switzerland, by Professor 

 Heer, edited by James Hej'wood, F.R.S. — The Geology of Eng- 

 land and Wales, by Horace B. Woodward, F.G.S. &c 374 



Proceedings of the Royal Society 180 



On the Reproductive Apparatus of the Uphemeridce, by M. Joly ; 



X 



On the Nervous System and Muscles of the Echinida, by M. L. 

 Fredericq ; Physiological Experiments on the Functions of the 

 Nervous System in the Echiuida. By M. L. Fredericq ; On 

 the Motile State of Podojjhrya fxa, by M. E. Maupas ; On 

 Helix villusa, Draparnaud, by J. Gwyn Jeflfreys ; On a new 

 Species of Naultiii'tts, by Dr. Buller 193 — 200 



NUMBER CXI. 



XV. Description of Bdelloidlna aggregata, a new Genus and Species 

 of Arenaceous Foraminifera, in which their so-called "Imperfora- 

 tion " is questioned. By H. J. Carter, F.R.S. &c. (Plate XIII. 

 iigs. 1-8.) 201 



XVI. On the Locality of Carpenteria halaniformis, with Descrip- 

 tion of a new Species and other Foraminifera found in and about 

 Tuhipm'a vmsica. Bv H. J. Carter, F.R.S. &c. (Plate XIII. figs. 

 9-15) .' 209 



XVII. Descriptions of two new Genera and Species of Indian 

 Mantidce. By Prof. J. Wood-Mason, Assistant Curator, Indian 

 Museum, Calcutta 219 



XVIII. Descriptions of new Species of Conidee and Terelridrs. 

 By Edgar A. Smith, F.Z.S., Zoological Department, British Mu- 

 seum , 222 



XIX. New and peculiar Mollusca of the Patellidee and other Fami- 

 lies of Gastropoda procured in the ' Valorous ' Expedition. By 



J. Gwyn Jeffreys, LL.D., F.R.S ' '.231 



