312 



not being perforated for the passage of the nerves. There are seven 

 polian vesicles and a single stone-canal. The madreporite (Fig. 66. 3) 

 is irregularly ring-shaped. The intestine has a large loop and the 

 ciliated funnels (Fig. 66. 1) are placed on the mesenteries. They 

 are irregularly funnel-shaped, with a rather thick collar, and in a 



Fig. 66, Tceniogyrus contortus. 1 cilialed funnels x 36. 2 pieces of calca- 

 reous ring x 24. 3 madreporite X 36. 4 tentacle-rods x 160. 5—9 sigmoid 

 bodies X 160. 



few cases they are double. The gonads are branched and appar- 

 ently hermaphroditic. 



The wheels are nearly dissolved, but the sigmoid bodies and 

 the tentacle-rods are present. The sigmoid bodies (Fig. 66. 5-9) 

 quite agree with Lud wig's figures, and even abnormal bodies are 

 found. The tentacle-rods (Fig. 66. 4) are slightly bent and have 

 branched ends. 



Clark writes in 1921 that "specimens from Kerguelen need a 

 critical reexamination". Though the poorly preserved specimen at 

 hand does not allow a closer and more critical examination, it 



