PLATE XVIIJ. 



Fig. 1 . Primnoella aiistralasise, Gray. Natural size, 



Fig. lc(. ,, „ Three wliorls of polyps ; enlarged. 



jiagellum, Studer. Natural size, 



,, Two whorls of polyps ; enlarged. 



murrayi, n. sp. Natural size, 

 Fig. 3a. „ „ Two whorls of polyps ; enlarged. 



Fig. 2 



Fig. 2a. 



Fig. 3. 



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