Zoology] NATURAL HISTORY OF VICTORIA. [Polyzoa. 



Plate 137, Fig. 6. 

 ^ETEA DILATATA (Busk). 



[Genus iETEA (Lasix.)- (Sub-kingdom Mollusca. Class Polyzoa. Order Infundibulata. 

 Sub-order Cbeilostomata. Family .ZEteidte.) 



Gen. Char. — Zocecia arising from a creeping or partially free stolon, calcareous, tubular, 

 with a subterminal membranous area. No avicularia or ooecia.] 



Description. — Extremity cyatbiform, with a subcircular membranous area; 

 tube finely ringed, dilated portion minutely punctate. 



Reference.— Busk, Brit. Mus. Cat. Mar. Polyzoa, pt. i., p. 30, pi. xv., figs. 2, 3. 

 Port Phillip Heads. 



Explanation of Figures. 

 Plate 137. — Fig. 6, small alga overrun by this species, natural size. Fig. 6a, three zooecia 

 and stolon, magnified. The tubular portions of the stolon between the enlargements are usually 

 much longer than in the figure. 



Plate 137, Fig. 7. 



.ETEA ANGUINA (Linn. sp.). 



Description. — Extremity spatulate, with an elongated membranous area ; 

 tube finely ringed, spatulate portion minutely punctate. 



Reference. — Busk, Brit. Mus. Cat. Mar. Polyzoa, pt. i., p. 31, pi. xv., fig. 1. 

 Port Phillip Heads. 



Explanation op Figures. 

 Plate 137. — Fig. 7, specimen, natural size, covering a small alga. Fig. 7 a, portion, magnified. 



The specimens and descriptions of the Polyzoa on this plate 

 are from Mr. MacGillivray. 



Frederick McCoy. 



Vol. II.— Decade XIV.— x. \ 143 ] 



