CONTENTS OF VOL. 11. 



[FOURTH SERIES.] 



NUMBER VII. 



Page 



I. Monograph of Spirifer cuspidatus {Syringothyris cuspidatd), 

 Martin. By Professor W." King. (Plates II. & III.) 1 



n. Notes on Helicogj'apsus, a new Genus of Graptolites. By 

 Henby A1.LEYNE Nicholson/D.Sc, M.B., F.G.S 23 



III. A few words on Euplectella aspergillum, Owen, and its Inha- 

 bitants. By Dr. C. Semper 26 



IV. Contributions to the Study of the Entomostraca. By Geobge 

 Stewardson Brady, C.M.Z.S. &c. No. I. Ostracoda from the 

 Arctic and Scandinavian Seas. (Plates IV. & V.) 30 



V. On Hyalonema boreale. By J. V. Barboza du Bocage .... 36 



VI. On the Tricuspidariece, a Subtribe of the JElcsocarpecs. By 

 John Miers, F.R.S., F.L.S., &c 39 



VII. Notes on the Palaeozoic Biyalved Entomostraca. No. VIII. 

 Some Lower-Silurian Species from the Chair of Kildare, Ireland. 

 By Prof. T. Rupert Jones, F.G.S., and Dr. H. B. Holl, F.G.S. 

 (Plate VII.) 54 



New Book : — On Subaerial Denudation, and on Cliflfe and Escarp- 

 ments of the Chalk and the Lower Tertiary Beds, by William 

 Whitaker, B.A., F.G.S., &c 62 



Proceedings of the Royal Society ; Royal Institution 63 — 66 



Occurrence of Tinnunculus cenchris in Britain, by W. S. Dallas, F.L.S. ; 

 On Lithodomous Annelids, by E. Ray Lankester ; On some 

 species of Oliva, by T. Graham Ponton ; Note on a Variety (?) 

 of Alcyonella fungosa^ by Edward Parfitt; On the Avicolar 

 Sarcoptidce, and on the Metamorphoses of the Acarina, by C. 

 Robin ; The Pelvis and Hind Limbs of Whales ; On a remark- 

 able form of Pletironectid<B from the Mediterranean, by Dr. Stein- 

 dachner j On the Antherozoids of the Mosses, by E. Roze . . 75 — 80 



NUMBER VIII. 



VHI. On a remarkable Sponge from the North Sea. By S. 

 Lov^N. (Plate VL) 81 



IX. List of Coleoptera received fr'om Old Calabar, on the West 

 Coast of Africa. By Andrew Murray, F.L.S. (Plate VIIL) . . 91 



X. Carcinological Gleanings. No. IV. By C. Spence Bate, 

 F.R.S. &c. (Plates IX., X., XL) 112 



