Tanks No. 9, 22 and 23. 
17 
of Italy is in many places covered with this coral; those who have made 
by boat the beautiful trip from Amalfi to Scaricatoio will have had 
ample opportunity of seeing the orange belt it forms on the rocks im- 
Fig. 7. Adamsia Pondeletii, 1/2 nat. size. Fig. 8. Cereactis aurantiaca, projecting 
Three specimens carried by the hermit- ’out of the sand, ^ nat. size, 
crab Pagurus striatus. Tank' 23. •- Tank 9. 
Fig. 9. Cerianthus menibranaceus, Fig. 10. Colony of Astroides calycularis, 
V 2 nat. size. Tank 22. Y 2 nat. size; on the right is the rock to 
which it is attached. Tank 9. 
mediately below the water-line. Similar corals form the large reefs, which 
are met with in the southern seas (even as far north as the Red Sea) 
stretching often for miles, and several fathoms deep. Their colouring is 
most exquisite. 
2 
