A MONOGRAPH OF THE TERTIARY POLYZOA OF VICTORIA. 129 



spaces not distinctly marked ; anterior extremity of zoreeiuin prominent ; thyro- 

 stome entire, but the much-produced peristome deeply laciniated Dorsal surface 

 with thick, prominent, tuherculated fibrillop, and regular series of elongated pores in 

 the narrow sulci. 

 C.B. 



11. //. luhorculata, n.sp. PI. XIX., fig. 8. 



Branches rather slender, rounded ; anterior surface with numerous tubercles or 

 short transverse ridges, usually not fibrillate, l)ut sometimes divided by sulci into 

 longitudinal ridges; thyrostomes small, circular, with thickened and sliglitly-prodnced 

 peristomes. Posterior surface fibrillate, the fibrilhr sometimes wantiug, tbe ridges 

 with numerous tubercles or short transverse ridges frequently stretching across the 

 situation of the sulci, which are then obliterated. 



B. ; C.B. 



12. H. prominens, n.sp. PI. XIX., fig. 9. 



Zoarium small ; branches slender, dichotomouslj^ divided. Anterior surface 

 with prominent tuherculated ridges, the intervening zooecial spaces much narrowed 

 at the extremities. Zooecia prominent ; thyrostome circular, the much-produced 

 peristome entire or more prominent on either side ; a small pore in the space 

 immediately above the thyrostome. Dorsal surface with thick, prominent longitu- 

 dinal transversely nodulated or ridged flbrillic, the narrow sulci with a few small 

 pores. 



M.C. 



Family TuBrLiPORiD.E. 



Zoarium encrusting or adnate, or partially or wholly erect ; wben erect, 

 bilaminate or cylindi-ieal. Zo(L'cia tubular, when zoarium erect, opening on two 

 surfaces or all roiuid. No intercellular cancelli. Oceciuin an inflation of part of 

 the zoarium. 



Tubulipora, Lamx. 



Zoarium adnate, irregularly shaped, frequently lobed or flabellate. Zooecia 

 elongated, tubular, distinct, ]inrtially free, arranged in more or less diverging series. 



1. T. sp. 



There is a portion of a colony of a Tubulipora on tbe same i'ragment of Kete- 

 porc as Stomatopora mceandrhin, but not sufliciently perfect for identification or 

 description. 



B. 



s 



