Marine Polyzoa of Victoria. 197 



Family. Catenicellid^e. 



Zoarium phytoid, erect, branched, segmented, each internode 

 consisting of a single zooecium or of two or three united laterally 

 (except rarely in ovicelligerous cells). Zooecia all facing the same 

 way, front entirely calcareous or membrano-calcareous ; mouth 

 situated at the upper part. 



Catenicella, Blainville. 

 Branches originating from the summits of each of a geminate 

 pair, or rarely from the sides of ordinary zooecia. Zooecia in single 

 series, but at a bifurcation geminate, or each internode consisting 

 of a geminate pair ; mouth with simple margins, straight or 

 hollowed and entire below, or with a small rounded notch. 



a. Fenestratce. 

 C. lorica, Busk B.M.C., Part I., p. 6 ; P.Z.V., 24 ; C.P., p. 10. 

 C. ventricosa, BusJc. B.M.C., Part I., p. 7 ; P.Z.V., 24 ; C.P., 



p. 10. 

 C. urnula, M^G. T.R.S.V., March, 1886. 



Port Phillip Heads, J.B.W. 

 0. hastata, Busk. B.M.C., Part L, p. 7 j P.Z.V., 24 ; C.P., p. 10. 

 C. alata, Wyv. Thomson. P.Z.V., 24. 

 C. gemella, ^i'(^. T.R.S.V., July, 1886. 



Port Phillip Heads, J.B.W. 

 C. amphora, Bush B.M.C.. Part I., p. 8 ; P.Z.V., 89 ; J.B.W. 

 C. plagiostoma, -B«s>^-. B.M.C.,PartL,p.83P.Z.V.,24; C.P.,p.ll. 



Var. setosa. 



C. intermedia, M^G. P.Z.V., 24. 



C cribraria, Busk. B.M.C., Part I., p. 9 ; PZ.V., 24 ■ C.P., p. 11. 



C. rufa, M^G. P.Z.V., 24. 



C. margaritacea, Busk. B.M.C., Part I., p. 9 ; P.Z.V., 24. 



C Wilsoni, M^G. RZ.V., 89 ; J.B.W. 



C. pulchella, Majjlestone. P.Z.V., 89 ; C.P., p. 13 ; CM. 



b. Vittatce. 

 C. formosa, Busk. B.M.C., Part I., p. 9. ; P.Z.V., 24. 

 C. Hannafordi, M^G. P.Z.V., 24. 



C. perforata, Busk. B.M.C., Part I., p. 10 ; P.Z.Y., 24. 

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



Port Phillip Heads, J.B.W. 

 C. COrnuta,, Busk. B.M.C., Part I., p. 11 ; P.Z.V., 24 and 90. 

 C. ringens, Busk. B.M.C., Part I, p. 10. 



Port Phillip Heads. 

 C. elegans, Busk. B.M.C., Part I., p. 10 ; P.Z.V., 24 ; C.P., p. 12. 

 C. Dawsoni, Wyv. Thomson. Dub. Nat. Hist. Rev., 1858. 

 C. Bus,'kii,Wyv. Thomson. Dub. Nat. Hist. Rev., 1858 ; P.Z.V.,24. 

 C. venusta, M^G. T.R.S.Y., March, 1886. 



Port Phillip Heads, J.B.W. 

 C.fusca, M^G. P.Z.V.,90. 



