Rep. of the "Michael Sars" North Atlant. Deep-Sea Exped. lgio. Vol. III. Arnesen. 



Charts. 



d Calcarea • Monaxonida ■ Tetractinel lida o Hexactinelli da 

 Chart 1. Stations where sponges were obtained by the "Michael Sars". 



80" 70" 60 



£ ^OJ 20J 1tT_ 



O Chand.rocla.dia. oiQcmtea.Q Chondn concrescens A Chondn Michael ScLfsii 

 Chart 2. Distribution of Chondrocladia. 



