216 A Catalogue of the. 



C. Costazii, Audoiun. T.R.S.V., Nov., 1884. 

 C. platalea, M^G. T.R.S.V., Nov., 1884. 

 C. glomemlata, M^G. MSS. 

 C. vitrea, M^G. MSS.; J.B.W. 

 C. tiara, M^G. MSS.; J.B.W. 

 C. benemunita, M^G. MSS. 



Family. Reteporid^. 



Zoarium calcareous, erect, foliaceous, reticulate or ramose, origi- 

 nating from a contracted base. Zooecia oblique, closely united or 

 immersed, indistinct posteriorly. 



Retepora, Imperato. 



Zoarium usually fenestrate or reticulate, rarely simply branched ; 

 posterior surface vibicate. 



E. monilifera, M^G. P.Z.V., 94, 95, 96. 

 Form sinuata, M^G. 94, 96. 

 Form munita, Hinchs. 

 Var. iunata, M^G. P.Z.V., 94, 96. 

 Var. acutirostris, M^G. P.Z.V., 94, 96. 

 Form nmbonata, M^G. P.Z.V., 94, 97. 

 R. formosa, M^G. P.Z.V., 94, 97. 

 R. carinata, M^G. P.Z.V., 94, 96. 

 R. aurantiaca, M^G. P.Z.V., 94, 98. 



R. tesselata, Hinchs. P.Z.V., 94, 99. 



R. serrata, M^G. P.Z.V., 94, 99. 



R. granulata, M^G. P.Z.V., 94, 99. 



R porcellana, M^G. P.Z.V., 94, 95. 



Var. laxa, M^G. P.Z.V., 94, 95. 



R. phcenicea, Busk. B.M.C., Part 11., p. 94 ; P.Z.V., 94, 98. 



R. fissa, M^G. P.Z.Y., 94, 95. 



( = R, marsupiata, Smitt.) 



R. avicularis, M^G. P.Z.V., 94, 95. 



Family. Selenariid^. 



Zoarium more or less regularly orbicular, convex on one side, 

 plane or concave on the other, probably free. Furnished with large 

 aud powerful vibracula. 



Selenaria, Bush. 



Only a certain number of zooecia dispersed throughout the zoarium 

 furnished with vibracula. The front of each cell so furnished, 

 covered by a cribriform, calcareous expansion ; others arched above, 

 contracted below ; under surface of zoarium marked with grooves. 

 S. maculata, Bush. B.M.C., Part XL, p. 101. 



Port Phillip Heads, J.B.W. 



