Zoolopy.-] NATURAL HISTORY OF VICTORIA. IPoh/zna. 



contracted at the middle, the lower lip smooth and slightly 

 prominent, exactly as that part is shown in Busk's figure of L. pal- 

 lasiana. 



On piles, old hulks, stones and shells, Hobson's Bay. 



Explanation of Fiouees. 



Plate 36. — Fig. 5, specimen, natural size. Fig. 5a, the same, magnified. Fig. 6, another 

 specimen, natural size. Fig. 6o, three cells, magnified. 



Plate 36, Fig. 7. 

 LEPRALIA MALUSII (Aud. sp.). 



Description. — Cells irregular in size and disposition, usually broadly ovate 

 and in radiating- lines ; mouth arched above, straight below, plain or armed with 

 several small spines above; a lunate pore near the middle of the cell, and numerous 

 stellate pores arranged in a single or double row beneath the mouth, and in a single 

 row along each margin. Ovicell large or of moderate size, rounded, encroaching on 

 the cell above, smooth, subgranular or grooved, with the superior margin dentate. 



Reference. — Busk, Brit. Mus. Cat., p. 83, t. ciii., 1, 2, 3, 4. 



A very beautiful species, distinguished by the lunate central 

 and stellate suboral and marginal pores, as well as the dentate 

 upper rim of the ovicell. 



On shells and algse, QueensclifF. 



Explanation of Figures. 



Plate .36.- — Fig. 7, natural size. Fig. lb, magnified. Fig. 7a, two cells, more highly mag- 

 nified, showing also an ovicell with its dentate upper rim. 



Plate 36, Fig. 8. 

 LEPRALIA LUNATA (P. McG.). 



Description. — Cells rhomboidal, immersed, with a row of short grooves 

 directed inwards along the margin ; mouth straight below, with 4 or 5 spines on the 

 upper maro-in ; a lunate pore below the mouth ; a large avicularium on one or both 



[ 27 ] 



