THE JOUBNAL 



OF 



THE LINNEAN SOCIETY. 



On the Madreporaria of the Mergui Archipelago collected for 

 the Trustees of the Indian Museum, Calcutta, by Dr. John 

 Anderson, F.R.S., Superintendent of the Museum. By Prof. 

 P. Maetin Duncan, M.B. (Lond.), F.R.S., F.L.S. 



[Eead 18th March, 1886.] 



(Plate I.) 



Contents: — Introduction. List of Genera and Species found. List 

 of new Species. Description of the new Species. Remarks ; and the 

 Affinities of the Coral-fauna of JMergui. Description of Plate. 



Introduction. 



The Madreporaria which are classified and in part described in 

 this communication were personally collected by Dr. Anderson 

 in the Mergui Archipelago off the coast of Tenasserim. The 

 collection is very interesting on account of the numerous species 

 which it contains and of their alliances with the forms of the 

 Coral-faunas of the Red Sea, of Ceylon, of the Eastern Archipelago, 

 and of the Central- American coast. The facies of the large collec- 

 tion of 84 determinable species is stamped and characterized by 

 the presence of numerous encrusting species, and by the evidence 

 that even some of the species of the reef-building genus Madrepora 

 appear to have grown under unfavourable conditions. Encrusting 

 species of genera, hitherto known as freely growing, occur, and 

 many species which are recognized without difficulty in more 



LINN. JOTJEN. — ZOOLOGY, VOL. XXI. 1 



