Marine Folyzoa of Victoria, 199 



next pair but one below ; mouth terminal, opening upwards j at a 

 bifurcation each zooecium giving rise to a pair and a new series 

 intercalated into the branches^ starting by a pair of zooecia. Ooecia 

 superior. 



Calwellia, Wyv. Thomson. 



Zooecial pairs arranged at right angles to those above and beloWc 

 0. bicornis, Wyv. Thomson. P.Z.V., 46. 

 C. gracilis, MapUstone. T.R.S.Y., Nov., 1885. 



Portland, CM. ; Port Phillip Heads, J.B.W. 



Family. BiFAXAKiiDiE. 



Zoarium phytoid, erect, continuous, or articulated. Zocecia alter- 

 nate, in two series united back to back and facing opposite ways ; 

 mouth terminal, opening directly or obliquely upwards. 



Urceolipora, M'G. 



(= Calymmophora, Bush.) 



Zoarium continuous, irregularly branched. Zooecia springing 

 from the upper and posterior part of those immediately below ; a 

 slight ridge on each side, probably indicating a shallow, anterior 

 chamber. Ooecium superior, embedded in the front of the zooecium 

 above. 



U. nana, M^G. P.Z.V., 105. 

 U. dentata, M^G. P.Z.V., 105. 



(= C. lucida, C.P., p. 83.) 



Family. Cellulariidjs. 



Zoarium erect, branched, continuous, or articulated. Zooecia all 

 facing the same way, in single or multiple series, or in pairs, or 

 arranged around an imaginary axis ; partly or wholly open, and 

 membranous in front. Avicularia, when present, sessile. 

 Cellularia, Pallas. 



Zoarium articulated. Zooecia biserial, oblong or rhomboidal, 

 contiguous, usually perforated behind. Avicularia usually absent. 

 C. CUSpidata, 5«5/^. B.M.C.,PartI.,p. 19; P.Z.V., 58 j C.P., p. 17. 

 Maplestonia, M'G. 



Zoarium articulated, dichotomously or irregularly branched, 

 joints annulated. Zooecia uniserial or geminate, imperforate 

 behind. No avicularia or vibracula. 

 M. cirrata, M'G. P.Z.V., 106. CM. and J.B.W. 

 M. simplex, M^G. T.E.S.V., Nov., 1884. 



Port Phillip Heads, J.B.W. 



Scrupocellaria, Van Beneden. 



Zoarium articulated, dichotomously branched. Zooecia biserial, 

 quadrate, furnished with oral spines ; a sessile avicularium at the 



