Zoology.-] NATURAL HISTORY OF VICTORIA. IPohjzoa. 



Explanation of Figdees. 



Plate 60. — Fig. 2, front view of sfecimen, natural size. Fig. 2a, back view of same. 

 Fig. 2i, portion of front, magnified, showing a foramen witli tubercular margins ; at the base 

 are seen two large avicularia replacing cells. Fig. 2c, portion of bacli, magnified, showing the 

 distinct areolated cells, separated by raised ridges at tlie bottom of channels. Fig. 2(/, small 

 portion, magnified, showing three ovicells, one of which is studded witli avicularia ; numerous 

 sessile avicularia, mostly on calcareous bases, are seen on the cells with which the ovicells are 

 connected. Fig. 2e, fractured edge of polyzoary, to show the cells distinct throughout the 

 whole thickness ; the fracture was obliquely across the cells. 



I am indebted to my friend Mr. MacGillivray for the specimens 

 and descriptions of the two Polyzoa on this ]^late. 



Frederick McCoy. 



By Authority: John Fkkues, Government Printer. 



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