30 



MEDUS.E OF THE WORLD. 



The type-species ot this genus is Steenftrupia rubra Forbes, 1846, from the Atlantic 

 coasts of Europe. 



GENERIC CHARACTERS. 



Codonids with radially symmetrical bell, and with 4 radially situated tentacles, I of 

 which is well developed while the 3 others are short or rudimentary. 



This genus is separated from Hybocodon by its radially symmetrical bell. In Hybocodon 

 i radial-canal is long, I short, and 2 of medium length; but in Steenstrupia the 4 radial -canals 

 are all of the same length. 



Synopsis of the Characters of MeJuste of the Genus Steenstrupia. 



