iv CONTENTS. 



Page 

 XL Keply to Mr. Frederick Smith on the Relations between 

 Wasps and Rhipiphori. By Andrew Murray, F.L.S 83 



XII. Additions to the Tenehrionidte of Australia &c. By Francis 



P. Pascoe, F.L.S., F.Z.S., &c ' 04 



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



the Corals. By Ernst Hackel 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. NotuljB LichenologicjB. No. XXXII. By the Rev. W. A. 

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



to the Lender 123 



New Books : — Flora Europaea Algarum aqufe dulcis et submarinse, 

 auctore Ludovico Rabenhorst, Philos. 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 Sacadhicp, by M. E. A'an Beneden ; Food of 

 Oceanic Animals, by J. Gwj'u Jeffi'eys, F.R.S. ; Note on the 

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

 Note on the Occurrence of two Species of Crustacea not hitherto 

 observed in Scotland, by M. Watson, M.D. ; Sjnttangus meri- 

 dionalis, Risso, by J. Gwyn Jeffreys ; Note on the Arrangement 

 of the Pores or Afferent Orifices in C'liona celata, Grant, by M. 

 L6on Vaillant ; British Iviller or Orca^ by Dr. J. E. Gray, F.R.S. , 

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

 mals in Egj'pt, by M. F. Lenorniant ; Embi-yonic Development 

 of Bothriocephalus proboscideus, by E. Mecznikow ; Note on a 

 Station of a living Encrinus (Peniacrimis eiirojjceus) upon the 

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

 Salivary Glands in Myrmecophaga tnmandua, bv M. J. Chatin . . 



140—152 



NUMBER XXVII. 



XVI. On the Myology of the Wombat (Phascolomys tcombuta) 

 and the Tasmanian Devil (Sarcophihis ursinus). 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. 



By Robert Swinhoe, F.Z.S 173 



