2. 
Fic. 5. 
Lo DI $ 
Fics. 1-6. — Outline camera drawings of statoblasts of Pecti g variati h ber of hooks. r. 11 hooks. 
2. r3 hooks, 3. 15 hooks. 4. 16 hooks. 5. 18 hooks, 6. 21 hooks. Compare the length of the hooks in Figs. 1 
$ x 
