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 



Fig. 44. Apolemia contorta, 

 magnified 12 times. 



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 



