ECHINOIDEA. II. iQi 



{Sterech. Neymaycri, on llie contrary, has pelagic larvse).' — That there are no bipolar Echini I liave 

 pointed out alread)- 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 fact that a number of very jieculiar forms: Poiirtalcsia ccratopyga, carmata, hispida, Spatago- 

 cystis Challeiigeri, Echiiiocrcpis cii)nata , Grnicopatagus ajffinis, are hitherto known only from these 

 tracts of the ocean. 



' Thi.s will be treated in the Report on the Echiiioide.i of the German South Polar-F,x[)e<litiou. 



