Marine Polyzoa of Victoria. 203 



B. neritina, Linn. sp. B.M.C., Part I., p. 44 ; P.Z.V., 59 j C.P., 



p. 42. 

 B. robusta, M'G. P.Z.V., 78. 



B. avicularia, Pallas. B.M.C., Part I, p. 45 j P.Z.V., 78; 

 B.M.P., p. 75. 



Beania, Johnston. 

 (including Diachoris, Bush.) 

 Zoarium creeping or loosely adnate. Zooecia disjunct, connected 

 by (usually) corneous tubes, erect or decumbent, ovate or boat-shaped, 

 entirely open in front and filled in by a thin membrane. Usually 

 a capitate, pedunculate avicularium, perfect, aborted, or altered in 

 form, on one or both sides towards the upper extremity (in some species 

 absent). 



B. mirabilis, Johnston. B.M.C, Part I., p. 32; B.M.P.jfp. 96 ; 

 P.Z.V., 116. 

 Port Phillip Heads, J.B.W. 

 B. decumbens, M^G. P.Z.V., 117. 



Port Phillip Heads, J.B.W. 

 B. Magellanica, Bush B.M.C., Part I., p. 54; P.Z.V., 46; 



C.P.,59. 

 B. crotali, Bush. B.M.C., Part I, p. 54 ; P.Z. V., 46 ; C.P., p. 59. 

 B. Wilsoni, M^G. T.R.S.V., Nov., 1884. 

 Port Phillip Heads, J.B.W. 



B. spinigera, M^G. P.Z.Y., 4G. 

 B. COStata, Bush. P.Z. v., 117; C.P. 60. 

 B. conferta, M^G. T.R.S.V., Nov., 1885. 

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



B. intermedia^ Hinchs sp. A.M.N.H., Aug., 1881. 



Port Phillip Heads, J.B.W. 



B. radicifera, Hinchs sp. P.Z. v., 117. 



Family. Flustkid^e. 



Zoarium expanded, flexible, calcareo-membranous, erect, foliace- 

 ous, ligulate, or spirally twisted round an imaginary axis. Zocecia 

 elongated, separated by raised margins ; front entirely membranous 

 or partially filled in by a thickened membrane. 



Flustra, Linn. 

 Zoarium erect, foliaceous or ligulate. Zooecia quadrate, entirely 

 membranous in front, disposed in two layers facing opposite ways ; 

 operculum incomplete. Ooecia immersed. 



F. denticulata, Bmh. B.M.C., Part I., p. 49 ; P.Z. v., 45 ; C.P., 

 p. 55. 



Carbasea, Gray. 



Zoarium erect, expanded, foliaceous or ligulate. Zooecia entirely 

 membranous in front, disposed in a single layer ; operculum incom- 

 plete. Ocecia external, prominent. 



