90 



BULLETIN OF THE MUSEUM OF COMrAKATIVE ZOOLOGY. 



Fig. IL Larva of Ectopleura sp. 



" 12. Larva of an unknown Tubularian. 



" 13. ICiichctloUi qnaclralis sp. nov. 



" 14. Larva uf an unknown Tubularian. 



'' 1"). " Phacellcn " of very young Zi/iejv/p.s. 



" 10. Quadrant of tlie Epiiyra of an unknown Discophore. 



