116 RECORDS OF THE AUSTRALIAN MUSEUM. 



HiRClNiA CALICULATA, Lendenfeld. 



Hircinia caliculata, Lendenfeld, Mon. Horny Sponges, 1889, p. 

 572. 

 Two specimens of this well marked species are present in the 

 collection from Tuggerah Beach. 



Order HEXACERATIN A. 



Family APLYSILLID^. 



Ianthella, Gray. 



Ianthella flabelliformis, Pallas. 



Ianthella Jlabelli/ormis, Lendenfeld, Mon. Horny Sponges, 1889, 

 p. 696, pi. xlvii., figs. 1, 4, 6, pi. xlvii., figs. 1-4, pi. xlix., 

 figs. 1-3. 



A single fragment of this species was obtained at the Hawkes- 

 bury River. 



ADDENDUM. 



During the heavy gales which swept our coast towards the end 

 of June with such disastrous results to life and shipping, im- 

 mense seas cast on the harbour and ocean beaches an enormous 

 amount of marine products. Seawc^ed was piled up to a depth of 

 three or four feet, and with it a vant quantity of animal life. 

 Some of the heaps, composed of the smaller organisms, were simply 

 large, brilliantly variegated mounds, containing representatives of 

 a great proportion of our marine fauna and flora. In addition to 

 the large and varied accumulation of seaweeds, the beaches were 

 strewn with Fish, Ascidians, Molluscs, Crustacea, Worms, Alcyon- 

 arians, Echinoderms, Zoophytes, and Sponges ; of these the 

 Sponges and Ascidians were the most abundant, and also the 

 most varied in their tints. The beaches in some places were 

 carpeted with organisms resplendent with all the colours of the 

 rainbow. 



After the storm I visited several of the inner and outer beaches 

 with a view of ascertaining the colour of the Sponges dealt with 

 in the foregoing pages. I succeeded in obtaining living specimen^ 



