Zoology.-] NATURAL HISTORY OF VICTORIA. \Folyzoa. 



Plate 45, Fig. 5. 



CAEBASEA ELEGANS (Busk). 



Description. — Cells oblong-, truncate above and below, slightly filled in below. 

 Cells behind oblong-, smooth. 



Reference. — Busk, Cat. Mar. Pol. Brit. Mus., p. 53, t. lv., figs. 6 and 7 ; t. lvi., 

 fig. 3. 



QueensclifF; Portland, Mr. Maplestone. 



A delicate species, forming tufts closely resembling those of 

 C. episcopalis, from which, however, it totally differs in the char- 

 acter of the cells. In the specimen figured, the cells were in very 

 distinct oblique lines ; usually they are regularly alternate, as in 

 the back view. 



Explanation of Figures, 



Plate 45. — Fig. 5, specimen, natural size. Fig. 5a, front of branch, magnified. Fig. 56, 

 back, magnified. 



Plate 45, Fig. 6. 



CARBASEA PISCIFORMIS (Busk). 



Description. — Cells entirely open in front, pyriform, frequently slightly 

 expanded below ; oblong behind, and contracted in the middle. Ovicells marked 

 with radiating lines. 



Reference. — Busk, Cat. Mar. Pol. Brit. Mus., p. 50, t. lv., 1, 2; and t. lvi., 

 fig. 6. 



Queenscliff; Portland, Mr. Maplestone. 



In this species the branches are not much divided, and they are 

 shorter, broader, and more rounded than in the others. 



Explanation of Figures. 



Plate 45. — Fig. 6, specimen, natural size. Fig. 6a, front of branch, showing also the 

 ovicells, magnified. Fig. 6b, back of cells, magnified. 



The Flustra and Carbaseae on this plate have been presented to the 

 National Museum with the above descriptions by Mr. MacGillivray. 



Frederick McCoy. 



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