vi CONTENTS. 



NUMBER X. 



Page 



XXXII. On the Willetnoesia Group of Crustacea. Bv C. Spence 

 Bate, F.R.S. (Plate XIII.) ' 273 



XXXIII. On a Collection of Lepidoptera recently received from 

 Madagascar. By Arthur G. Butler, F.L.S., F.Z.S., &c 283 



XXXIV. On the Syringosphaeridae, an Order of Extinct Rhizo- 

 poda. By Prof. P. Martin Duncan, M.B. (Lond.), F.R.S., &c. . . 297 



XXXV. Remarks upon the Thalassinidea and Astacidea of the 

 Pacific Coast of North America, with Description of a new Species. 



By W. N. LocKJNGTON 299 



XXXVI. On the probable Nature of the Animal which produced 

 the Stromatoporidcs, traced through Hydractinia, Millepora aldcornis, 

 and Ccmnopora, to Stromatopora. By H. J. Carter, F.R.S. &c. . . 304 



XXXVII. Studies on Fossil Sponges.— II. Lithistidee. By Karl 

 Alfred Zittel 324 



Proceedings of the Geological Society 341 



On the Parasitic Isopoda of the Genus Entoniscus, by M. A. Giard ; 

 Note on the Saurus lucioceps of Ayres, by W. N. Lockington ; 

 On the Causes of the Buzzing of Insects, by M. J. Perez ; Repro- 

 duction of Hydra, by M. KorotnefF 346 — 351 



NUMBER XL 



XXXVIII. On the Structure and Affinities of the Genus Catagma. 



By W. J. SoLLAS, M.A., F.G.S., &c. (Plate XIV.) 353 



XXXIX. On two new Species of Amphipodous Crustaceans. By 

 the Rev. T. R. R. Stebbing, M.A. (Plate XV.) 364 



XL. Descriptions of Longicorn Coleoptera. By Fhancis P. 

 Pascoe, F.L.S. &c 370 



XLI. Notes on some British Land and Freshwater Shells. By 

 J. GwYN Jeffreys, LL.D., F.R.S 377 



XLII. " On the Willemoesia Group of Crustacea." By the Rev. 

 A. M. Norman 382 



XLni. Studies on Fossil Sponges. — II. Lithistidse. By Karl 

 Alfred Zittel 386 



XLIV. Remarks upon the Porcellanidea of the West Coast of 

 North America. By W. N. Lockington 394 



XLV. On a small Collection of Crustacea made by Major Burton 

 in the Gulf of Akaba. By Edavard J. Miers, F.L.S. &c 406 



