247 
Two-thirds natural size. The ring at the 
ventral extremity of axonost 1 indicates how 
much of the latter protrudes freely from the 
body wall in dead specimens. Cp. table in 
text. : 
Fig. 19. Moist lateral dissection from the eyeless side of 
the last seven caudal vertebrae and the pos- 
terior extremities of the dorsal and anal fins 
and their supports of a 52cm. Plaice. Natural 
size. ‘The sigmoid curve of fin ray 71 of the 
dorsal fin and its horizontal position are 
abnormalities. Cp. with fig. 14 and table 
in text. 
PiatTe V. 
Fig. 20. The viscera seen from the ocular side. Only 
the body wall has been removed and the 
muscles of the limb girdles dissected away. 
The ovary and rectum are opened to shew 
the external opening of the oviduct. The 
specimen was a ripe female. ‘T'wo-thirds 
natural size. 
Fig. 21. The viscera seen from the ocular side. The 
body wall and the superficial coils of the 
intestine have been removed and the pectoral 
girdle, operculum, sub-operculum and inter- 
- operculum dissected away. The lateral wall 
of the pericardium has been removed. The 
positions of haemal spine 1 and axonost 1 
are indicated by broken lines. The speci- 
men was a spent female. Two-thirds natural 
size. 
