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 
3/ 
Fig. 44.—Apolemia contorta, Fig. 45.—Apolemia contorta, 
magnified 12 times. reproductive pair, magnified 12 times. 
individuals, having the form of an elongated tube very dilatable, and 
closed at the free end. They have then, nomouth! 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 
