N o. 5 ] / - -1 K1 A TIOX AMONG Jf YD ROM ED L X / /-;. 



2 55 



PLATE IV. Fig. i, n, a, normal : /, /', variable forms of otocysts. Fig. 2 showing variation in 

 tentacles. Figs. 3-10 show various phases in forking or budding of tentacles. 



