INVERTEBRATE ANIMALS. 9 



Ui^per Compartment. 

 Larger Corals, including M. palmata, an explanate 

 Madrepore, sometimes attaining a height and 

 breadth of seven feet. 



Group 24.— Genus MADEEPOEA (Linnaus). Part II. 

 Estimated number of species in genus Madrepora: 

 recent, 84 ; British, ; fossil, 6 ; Kainozoic. 



IT M. ecJdnata, M. carduus, M. longicyathus, 

 and other slenderly branched Madrepores, are 

 amongst the most beautiful of all the coral tribe. 



Cbirb Cable Cast. 



The mark % indicates specimens or other illustrations exhibited in the Cases. 



Group 25.— Genus DENDEOPHYLLIA (Blainville) and 

 allies, ^svdpov, a tree ; (JjwAAjov, a leaf. Estimated number 

 of species : recent, 28; British 0; fossil, 31; Kainozoic. 

 The Corals of this group grow in waters of all 



temperatures. 

 II D. nigrescens from Singapore, and D. ramea from 

 the Mediterranean : the latter attains a height 

 of five feet, and possesses an agreeable frag- 

 rance. Balanophyllia. 

 Division APOEOSA. Coral compact in substance. 

 Family FUNGIDiE. Coralla chiefly explanate ; polype 

 centres not circumscribed. 

 Group 26. — Genus AGAEICIA (Lamarck) and allies. 

 'ayapiKo;, a mushroom. Estimated number of species : 

 recent, 17; British, 0; fossil, 13; chiefly Kainozoic. 

 H Species from the West Indies and the Pacific. 

 A. undata grows on the vertical sides of 

 rocks, like a large flower with the corolla fully 

 expanded, and beautifully ripple-marked. 



