OF NEW SOUTH WALES. 11 



resulting tissue unites at once to the second, whicb forms thence a 

 confused mass, sending up almost perpendicular lobes like pali, 

 which are very granular ; columella only a few inconspicuous 

 papilla) at the base of the fossa ; laminre of nearly equal thick- 

 ness, the primaries being free throughout, and only slightly 

 thicker; costa3 conspicuous and distinct, corresponding to the 

 septa, and about equal for the three first orders, the fourth and 

 fifth being equal, small, and in some specimens only represented 

 by a line of granules ; intercostal spaces about equal, rather deep 

 and smooth. 



Alt. 5, diam. 7. Princess Charlotte's Bay. 

 There is a remarkable peculiarity in these corals, which is, that 

 the granulations which cover the ribs sometimes extend a long 

 way upon the spire of the shell on which they grow even far 

 beyond other traces of the basal tissue. 



Explanation of Plate I. 

 Fig. ] . Corallum attached to shell, magnified 2 diameters. 

 „ 2. Corallum covering attached shell, magnified 2 diam. 

 „ 3. Calice of fig. 1 ; 3 diam. 

 ,, 4. One system of costse ; 4 diam. 

 „ 5. One system of septa ; 4 diam. 



EXHIBITS. 



E. P. Ramsay, Esq., exhibited a very fine specimen of 

 Osteoglossum Leicliardtii (Barramundi), from the Dawson River, 

 Queensland. 



MONDAY, 25th MAECH, 1878. 



W. J. Stephens, Esq., M.A., President, in the Chair. 



The Chairman introduced Captain Hutton, of the Otago 

 Museum, New Zealand, to the meeting. 



MEMBERS ELECTED. 



E. Meyrick, Esq.; and C. Lentzner, Esq. 



