&E g. 10. A few of the yellow (a) and red (b) cells squeezed 
ag out of the last when alive. Z. + 
of Galvina picta, showing the cnidophorous sac 
(Gs9)) (Ss 2: 
‘ | ‘Fig. 12. Apex of one of the cerata of Cratena vir ee, 
a: mounted entire and seen in optical section, 
showing the opening (ap.) of the cnidophorous 
sac (¢.s.) to the exterior, and the clumps of 
gland cells (gl.). 8. 4. 
: Soe lees 7 ee. ah eae = 1P6 
| NUDIBRANCHIATA OF THE L.M.B.C. DISTRICT. 169 
