iv CONTENTS. 



Page 



XI. Koply to Mr. Frederick Sniitli on the Relations between 

 Wasps and Rhi/yiphori. By Andrew MuunAV, F.L.S 83 



XII. Additions to the Tenehn'ontd(r of Australia &c. By Francis 



P. Pascoe, F.L.S., F.Z.S., &c 94 



XIII. On the Organization of Sponges, and their Relationship to 

 the Corals. By Ernst II.\ckel 107 



XIV. On a new Genus of the Madreporaria or Stony Corals (Ste- 

 nohelia). By Wm. S. Kent, F.Z.S., F.R.M.S., of the Geological 

 Department, British Museum 120 



XV. NotulaB Lichenologicas. No. XXXII. By the Rev. W. A. 

 Leighton, B.A., F.L.S. , &c. — Dr. E. Stizenberger's Analytical Key 



to the Lfcidecs 123 



Neic Books : — Flora Eui'opnea Algaruni aqu?e dulcis et subraarinje, 

 auctore Ludovico Rabenhorst, Pliilo.s. Dr., Ordiuis Albrecht. 

 Equite, Acad, et Societ. plur. Sodali. — Microscopic Objects 

 figured and described, by John H. Martin, Secretary to the 

 Maidstone and Mid-Kent Natural-History Society. No. I. 127 — 138 



Upon the Mode of Formation of the Egg and the Embryonic Deve- 

 lopment of the Sacailhue, by M. E. van Beneden ; Food of 

 Oceanic Animals, by J. Gwyn Jeffi-eys, F.R.S. ; Note on the 

 Habits of the Discophorn, by the Rev. Thomas Ilincks, B.A. ; 

 Note on the Occurrence of two Species of Crustacea not hitherto 

 observed in Scotland, by M. Watson, M.D. ; Spatfinyi/s meri- 

 (Ikmalis, Risso, by .1. Gwyn Jeffreys; Note on the Arrangement 

 of the Pores or Afferent Orifices in Vliuna velata, Grant, by M. 

 L^on Vaillant ; British Iviller or Orca, by Dr. .1. E. Gray, F.R.S. , 

 &c. ; On the Antiquity of the Ass and Horse a.s Domestic Ani- 

 mals in Egj-pt, by M. F. Lenormant ; Embryonic Development 

 of liothrioci'phalits proboscideus, by E. Mecznikow ; Note on a 

 Station of a living Encrinus (rentacrimis europceus) upon the 

 Coasts of France, by M. Lacaze-Duthiers ; Observations on the 

 Salivary (Jlands in Myrinecop/iat/a tavutndua, by M.J. Chatin. . 



140—152 



NUMBER XXVII. 



X^^[. On the Myology of the Wombat (Phancohmt/s womhafa) 

 and the Tasmanian Devil {Sarcophihis ursitius). By Alexander 

 Macalister, Professor of Zoology and Director of the Museum, 

 University of Dublin 153 



XVII. Descriptions of three new Species of Birds from China. 

 Bv Robert Swinhoe, F.Z.S 1 73 



