OF NEW SOUTH WALES. 97 



fossa are the supports for the base of the animal. The calices 

 themselves are quite microscopic, three or four of them occupying 

 no more than the space of a millimeter. 



I now have further to introduce to science a very interesting 

 coral of the tabulate section of Madreporaria (Madreporaria 

 tabulata). In the third family, the Seeiatoporid^, we have 

 arborescent corals with an abundant and compact ccenencJiyma, 

 few traces of tabulas, and the visceral chamber filling by the 

 continuous growth of the walls and columella. The family is 

 divided into four genera, the first, Seriatopora, remarkable for the 

 hispid surface and the almost complete absence of septa. They 

 are all nearly very small corals with exceedingly minute calices. 

 The septa are more visible in the next genus, Bhabdopora, which 

 is a Paleozoic (carboniferous) fossil with prismatic branches. 

 Dendropora has the calices scattered, with a raised margin and a 

 smooth ccenenchjma. This is also a Paleozoic fossil as well as the 

 next genus, Trachypora, which has the ccenencJiyma striate. 



The species I propose to describe does not come under any of 

 the foregoing genera, but appears to occupy an intermediate place 

 and nearest to Seriatopora. It has thin cylindrical branches, 

 very hispid, with scattered calices and exsert septa. I propose 

 from the latter character to name the genus Phyllopora, which is 

 thus described : — 



Phyllopora. New genus. 



Goenenchyma, hispid, compact ; tabulee, rarely visible ; calices, 

 distant ; septa, exsert, distinct, and in cycles. 



Phyllopora spinosa, n. s., PL 10, fig. 2, 2a. 



Gorallum very small, tufted, much branched ; branches 

 generally at right angles or sloping upwards, and bifurcating ; 

 surface very granular, the granules supporting long, fine, 

 branched, and subdivided projections ; calices in a linear, rather 

 distant, projecting series ; systems six, cycles, two always present 

 with the rudiments of a third ; septa hispid, exsert ; primaries 

 projecting into the calice ; secondaries and tertiaries smaller, 



