SPONGES OK THE PACIFIC, II. ERVLIDAE. 



PLATE 6. 



"•>>, 





•"H. 









4¥> ^" 





/%. /-/.?, /?-^^, -^^, ^<y, 2(> £nlus caliculalus n. sp. 



Fig. U-IS, >4, 25, 27, 30-35 Erylus rotundus n. sp. 



14, IS, 24, 33-35 E. r. var. megarhabda, form A; 15-17, 25, 30-32 E. r. var. typica, form B; 27 E. r. var. typica, form A. 



