168 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
LIVERPOOL BIOLOGICAL SOCIETY. 
middle, to show the relations of the hepatic 
ceca to the body and to the large turretted 
cerata (cer.). 8.1. 
. Section through one of the papille on the cerata 
showing the small terminal knob (f.) and the 
masses of gland cells (gl.). 8. é 
. Section through the edge of one of the cerata 
showing the large masses of gland cells lying 
between the hepatic czecum (h.c.) and the epi- 
thelium (ec.). 5. 4. 
. Section through one of the papillee on the cerata 
showing a cavity and duct (d.) amongst the 
gland cells and leading to the apex of ‘the 
knob (k.) 8S. @: 
. Section through the base of one of the cerata of 
Facelina coronata, showing the opening of the 
hepatic caecum into one of the lateral ducts of 
the liver (1.1.). §. 1. | 
. Transverse section through the tip of one of the 
cerata of F. coronata, showing the hepatic 
cecum (A.c.), cnidophorous sac (¢.s.) and con- 
necting tube (¢.d.) all cut transversely. 5. 4. 
. Some of the long curved cnida of Ff. coronata, 
S. % enlarged. 
. Upper half of one of the cerata of F'. drwmmondz, 
mounted entire, showing the long connecting 
tube (c.d.) between the cnidophorous sac and 
the hepatic cecum. S. 1, reduced. 
. Part of edge of one of cerata of F’. drummondz, 
from living specimen, showing the cilia on the 
surface and the colours of the hepatic cecum. 
Se ao) of, KEG my, vellowy. 
