CONTENTS. Vii. 



rr • . PAGE 



Ihird Addendum to the Australian Hydromedusas. By R. vON 



LiENDENFELD, Ph.D 477 



M onograph of the Australian Sponges. Part VI. By R. von 



Lendenfeld, Ph.D. Plates XXXVI-XXXVIII 4S1 



Notes and Exhibits 341,448,553 



PART IV. 



PAGE 



Studies on Sponges. By R. von Lendenfeld, Ph.D. Plates XXXIX- 



XLIV 



I. The \estihule oi Dench-illa cave7-nosa, n. ST[i. 557 



II. On Raphijrus Hixonii, a new gigantic Sponge from Port 



Jackson 562 



III. On Halme tingens, a Sponge with a remarkable colouring 



power 568 



IV. On two cases of Mimicry in Sponges 569 



Descriptions of new or rare Australian Fishes. By E. P. Ramsay, 



F.R.S.E., and J. Douglas-Ogilby 575 



Remai-ks on the Trachichthys of Port Jackson. By J. Douglas-Ogilbt. 580 

 Catalogue of the described Coleoptera of Australia. Part II. By 



Geokge Masters 583 



The Plagiostomata of the Pacific. Part III. By N. de Miklouho- 



Maclay and William Macleay, F.L.S. Plates XLV, and XLVI. 673 



Fourth Addendum to the Australian Hydromedusoi. By R. von 



Lendenfeld, Ph.D. Plate XLVI II, 679 



A Second Note on Macrodontism of the Melanesians. By N. de 



Miklouho-Maclay. Plate XLIX 682 



Note on the " Keu " of the Maclay-Coast, New Guinea. By N. de 



Miklouho-Maclay 687 



A List of the Trogositkla> of Australia, with notes and descriptions of 



new species. By A. Sidney Olliff, F.E.S. 699 



Notes from the Australian Museumi. On a new Butterfly of the Family 

 LycrenidiP, from the Blue Mountains. By A. Sidney Olliff, 

 F.E.S 716 



