354 PERCY SLADEN TRUST EXPEDITION. 
Fig. 7. The same species. Vertical section through a row of gastropores, to show the tabul (fad.) and 
gastrostyles (gast.st.). 9 diam. 
Fig. 8. Vertical section through the corallum of Spinipora echinata, Moseley, to show the tabule (¢ad-) 
and gastrostyle (gast.st.) in the gastropore. Tabulz are also seen in the adjoining dactylopore 
(dact.p.).  X ca. 20 diam. 
Fig. 9. Conopora dura, sp. n., nat. size. 
Nig. 10. Conopora dura. Enlarged view of the surface, showing three cyclosystems and the nematopores 
(nem.). 
Vig. 11. Conopora dura. Vertical section of a cyclosystem enlarged, showing the dactylopores (d.p.), 
the upper (w.c.) and lower chamber (J.c.) of the gastropore, the horizontal septum (A.sept.) 
separating them, and an ampullar cavity (amp.). 
