CLASSIFICATION OF ACTINIARIA 529 
Trext-ria. 12. 
SS 
YY) h 
Ll 
tig 
xzeegegy iff 
“fc Hh h 
Further sphincters of Actiniidae for comparison with those in Text- 
fig. 11. All are to same scale as Text-fig. 11, and treated in the 
same way, but here we have various grades of circumscribed 
sphincter. The difference in size between A and B, for instance, 
is not due to a corresponding difference in size of the individuals 
from which they were taken.’ a, Epiactis sp.; B, Tealia 
crassicornis; ©, Epiactis novozealandica; D, 
Bunodactis sp.; BE, Bunodactis balli, 
