132 



THE OCEAN WORLD. 



which are furnished with a multitude of stinging tendrils of a reddish 

 colour. These tendrils slightly resemble those met with in Agalma, 

 and the sabre-like weapons are not wanting. 



Between the nursing polyps are placed in pairs the reproductive 



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Fig. 44. — Apolemia contorta, 

 magnified 12 times. 



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Fig. 45. — Apolemia contorta, 

 reproductive pair, magnified 12 times. 



individuals, having the form of an elongated tube very dilatable, and 

 closed at the free end. They have then, no mouth ! Milne-Edwards 

 calls these " vesicular appendages," and M. Kolliker calls them 

 tentacles. The buds arranged at the base of each prolific individual 

 vary ; but, according to M. Vogt, they are always there in pairs — a 

 male and female at the base of each stem. Figs. 44 and 45 



