CONTENTS OF VOLUME I. (New Series). 



Art. I. — On the Anatomy of an Arenaceous Polyzoon. By Arthur 



Dendy, Esq., M. Sc, F.L.S. ; with Plates 1, 2, 3 . . 1 



II.— The Maintenance of Energy. By Egbert Abbott, Esq. .. 12 



III. — Irrigation and Water Supply in the Australian Colonies. By 



Newton E. Jennings, Esq., M. Inst. C.E., P.E.I.B.A. . . 21 



IV. — An Experiment to show how the Earth is made to Gravitate 



towards the Sun. By T. Wakelin, Esq. . . . . 28 



v.— The Babbit Question. By H. C. Wigg, Esq., M.D. Ed., 



F.R.C.S. Eng. .. .. .. .. ..28 



VI. — An Alphabetical List of the Genera and Species of Sponges 

 described by H. J. Carter, Esq., F.R.S., together Avith a 

 number of his more important references to those of other 

 Authors, with an Introductory Notice. By Arthur 

 7)endy, Esq., M.Sc, F.L.S... .. .. ..34 



VII.— On Two New Fossil Sponges from Sandhurst. By T. S. Hall, 



Esq., M.A. ; with Plate 4 . . . . . . . . 60 



VIII. — Preliminary Notes on the Structure and Development of a 

 Horny Sponge (Stelospongus fiabelliformis). By Arthur 

 Dendy, Esq., M.Sc, F.L.S. .. .. .. ..62 



IX. — The Active Volcano on Tana, New Hebrides, with some 

 Remarks on the Cause of Volcanic Action. By Frederick 

 A. Campbell, Esq., C.E. ; with Plates 5, 6, 7 and 8 . . 71 



X.— The Oceanic Languages Semitic. By Rev. D. Macdonald . . 83 



XL— Notes on the Physiography of the Western Portion of the 

 County of Croajingolong. By James Stirling, Esq., 

 F.G.S. ; with two Woodcuts . . . . . . . . 84 



Notes from the Biological Laboratory of the University of 

 Melbourne — 



(1) On the Presence of a Fluke in the Egg of a Fowl. By Professor 



W. Baldwin Spencer. . .. .. .. .. 109 



(2) On the Presence of a Pentastomum Parasitic in the Lung of 



the Copper-head Snake (Hoplocephalus superhus). By 

 Professor W. Baldwin Spencer . . . . . . HO 



(3) On the Structure and Presence of the Cestode Amphiptyches 



parasitic in Callorhynchus Antarcticus. By Professor W. 

 Baldwin Spencer . . . . . . . . . . HI 



(4) Note on Some Actinian Larvfe parasitic upon a Medusa from 



Port Phillip. By Arthur Dendy, Esq., M. Sc, F.L.S. . . 112 



Meetings of the Society . . . . . . . . . . 114 



List of Members . . . . . • • . • • • . 140 



List op Institutions and Societies Receiving Copies of the 



"Proceedings of the Royal Society of Victoria" .. 149 



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