214 A Catalogue of the 



M. excavata, M^G. P.Z.V., 38 ; (probably var. M. coccinea). 



M. vultur, Hinchs. P.Z.V., 116. 



M. Ellerii, M^G. P.Z.V., 37. 



M. Isevis, M^G. P.Z.V., 116 ; J.B.W. 



M. diaphana, M^G. P.Z.V., 35. 



M. papillifera, M^G. P.Z.V., 37. 



M. avicularis, M^G. T.R.S.V., March, 1886 ; J.B.W. 



M. spinosissima, Hincks. A.M.N.H., Aug., 1881. 



Bracebridgia, M'G. 



Zoarium encrusting, or erect and bilaminate. Mouth subcircular, 

 with an internal denticle ; peristome raised, thick, vicarious avicu- 

 laria on the free margin of the branches, the triangular mandibles 

 with a prcjecting articular process at each lower angle. 

 B. pyriformis, Busk sp. C.P., p 155; T.R.S.V., Nov., 1885. 



Rhynchopora, Hincks. 



Zoarium encrusting. Zooecia closely adherent to each other. 

 Primary mouth transversely elongated, with a sinus in the lower 

 lip \ secondary mouth with a prominent mucro on the lower margin, 

 and an uncinate process immediately above it within the mouth. 

 R. bispinosa, Johnston. B.M.C., Part 11., p. 77 ; B.M.P., p. 385. 

 R. longirostris, Hincks. A.M.N.H., Aug., 1881. 

 R, profunda, M'G. T.R.S.V., Oct., 1881 ] J.B.W. 

 (Probably a deeply calcified form of preceding.) 



Family. Celleporid^. 



Zoarium encrusting or more or less free and uni- or bilaminate, 

 or dendroid, or forming clustered masses. Zocecia (adult) urceolate, 

 irregularly heaped together, the upper parts being free; mouth 

 terminal, sub-circular, or with a straight or hollowed lower lip, with 

 or without a sinus. 



Lagenipora, Hincks. 



Zoarium encrusting. Zocecia flask-shaped, mouth subcircular 

 without a sinus. 



L. tuberculata, M^G. T.R.S.V., July, 1882. 

 L. nitens, M'G. T.E.S.V., Oct., 1886. 



Port Phillip Heads, J.B.W. 



Lekythopora, M'G. 



Zocecia flask-shaped or elongated, oblique or erect and crowded; 

 primary mouth with a deep notch in the lower Upland a small avicula- 

 rium at one side ; secondary mouth with the peristome produced into 

 a long, tubular orifice, on one side of the margin of which is the 

 avicularium, connected with its original position by a minute semi- 



