Mr. S. O. Ridley on the Coral-fauna of Ceylon. 257 



The colonies are chiefly small, not exceeding 100 millira. 

 (4 inches) broad and 75 millim. (3 inches) high. 



The species differs from the widely distributed Indian- 

 Ocean species C. Esperi in the small, more angular calicles, 

 less prominent septa, and the thinner wait In these 

 points it approaches C. (Platygyra) ascensionis, mihi, from the 

 island of Ascension and of the present collection; but the 

 wall is thinner and the calicles wider than is usual in that 

 form, in which the difference in width between the primary 

 and secondary septa is very marked and the septa are much 

 more closely approximated to each other. 



Baryastrcea ? 



A subglobose colony of very dense texture ; the calicles 

 small, viz, 2 5 millim. in diameter. The walls are not thick, 

 and exhibit no trace of grooves separating the calicles on 

 their free margins* 



Echinopora hirsutissima, Milne-Edwards & Haime. 



Echmopora hirsutissima, M.-Edw. & H. Ann. Sci. Nat. (3) xii. p. 187, 



Given by the above authors as from the Indian Ocean and 

 as perhaps only varietally distinct from E. horrida of Dana, 

 from the Pacific. 



Family Fungiidae. 



Fungia repanda, Dana. 



Fungia r*y>rt?u7rt,Dana,Zoopli. U.S. Exploring Expedition, p. 295, pi. xix. 

 tigs, 1-3. 



Occurs in Fiji Islands (Dana). 



Family Enpsainmiidae. 

 Dendrophyllia Ehrenbergiana 1 Milne-Edwards & Haime. 



Ccenopsammia Ehrenbergiana, M.-Edw. & H. Ann. Sci. Nat. (3) x. 

 p. 109, pi. i. fig. 12. 



The late Dr. Briiggemann, who records it from the island 

 of Kodriguez (Phil. Trans, clxviii. p. 574), referred the species 



to Dendrophyllia. 



It occurs also at the Seychelles and in the Red Sea {Milne- 

 Edwards & Haime) , and at Mauritius (Mobius). Dr. On- 

 daatje informs me that it occurs occasionally on the reef on 

 the Galle coast. The specimen which I have seen is quite 

 normal, and shows the variability in the development of the 

 columella to which Klunzinger (/. c.) has drawn attention. 



K 



18 



