OF THE MERGUI ARCHIPELAGO. 



3 



56. Halomitra (Podabacia) Crus- 



tacea, Ed. § H. 



57. Cryptabacia talpina, Lmk., sp. 



58. Herpolitba limax, Esper, sp. 



Family Lophoserid.e. 



59. Lopboseris cristata, Solander, sp. 



60. cactus, Hemp. <Sf Ehr., sp. 



61. Pacbyseris speciosa, Dana, sp. 



62. Coscinara?a masandrina, Ehr., sp. 



63. monile, Forskal, sp. 



Family Plesioporitid,e, Dune. 



64. Meeandroseris Bottae, Bouss. 



MADREP OB ARIA PERFORATA. 

 Family Eupsammidjd. 



65. Balanopbyllia merguiensis, 



sp. nov. 



66. Dendropbyllia coarctata, sp. 



nov. 



67. (Ccenopsammia) affinis, 



sp. nov. 



68. Astropsammia Pedersoni, Verrill. 



Family Madreporid.e. 



69. Madrepora gracilis, Ed. $ H. 



70. valida, Dana. 



71. surculosa, Dana. 



72. ■ hebes, Dana. 



73. pyramidalis, Klunz. 



74. 

 75. 

 76. 

 77. 



78. 



paxilligera, Dana. 

 cribripora, Dana. 

 spicifera, Dana. 



Turbinaria cinerascens, Solan- 

 der, sp. 

 crater, Pallas, sp. 



Family Poritid^e. 



79. Porites conglomerata, Quoy $ 



Gaim., variety. 



80. nodifera, Klunz. 



81. excavata, Verrill. 



82. Synarasa lutea, Verrill. 



83. Groniopora columna, Dana. 



84. lobata, Ed. $ H. 



Indeterminable Species of the Genera : — 



Heliastrasa. Astrasopora. 

 Apbrastrasa. Fungia. 



JYeiv Species: — 



Paracyathus Andersoni. (Plate I. figs. 1-3.) 



profundus. (Plate I. figs. 4-6.) 



indicus. (Plate I. figs. 7-9.) 



cseruleiis. (Plate I. figs. 10, 11.) 



merguiensis. (Plate I. figs. 12-14.) 



Polycyatbus Verrilli. (Plate I. figs. 15, 16.) 



difficilis. (Plate I. figs. 17, 18.) 



Goniastraea incrustans. (Plate I. figs. 19, 20.) 

 Solenastraea (Quelcbia) spongiformis. (Plate I. figs. 21, 22.) 

 Leptastraea humilis. (Plate I. figs. 23, 24.) 

 Balanopbyllia merguiensis. (Plate I. figs. 25, 26.) 

 Dendropbyllia coarctata. (Plate I. figs. 27, 28.) 

 (Ccenopsammia) affinis. (Plate I. figs. 29, 30.) 



Description oftJie neiv Species. 



Section MADREPORARIA APOROSA, Ed. $ H. 



Family Turbinolid^e, Ed. H. 



Genus Paracyathus, JEd. Sf H. 



Paracyathus Andersoni, sp. nov. (Plate I. figs. 1-3.) 

 The corallum is short, has a slightly compressed, broad base, 



1* 



