ECHINOIDEA. II. igi 



{Stcrech. Neymayeri, on the coutrary, has pelagic larvæ)." — That there are no bipolar Ecliini I have 

 pointed out already in Part I of this work. 



Perhaps also the Antarctic deep-sea will prove to form a distinct region; in any case it is a 

 noteworthy faet that a number of very pecuUar forms: Pourtalcsia ccratopyga, carinata, hispida, Spatago- 

 cystis Challeiigeri, Echinocrcpis ctiiicata, Gnn'copafagiis affinis, are hitherto known only from these 

 tracts of the ocean. 



I This will be treated in the Report ou the Echiiioidea of the Germau South Polar-Expedition. 



