450 Mr. P. W. Bassett-Sinith on 



Genus MoNTiPORA, Quoy & Gaimard. 

 Montipora papulosa, Lam., sp. 



1816. Af/aricia papillosa, Lam. Hist. Nat. des Anim. 8an3 Vertebr. t. ii, 

 p. 24.3* 2nd ed. p. 3^52. 



A single large explanate frond, in which the polyps are 

 living only in patches. 



Tizard Bank, depth 25 fath. 



Montipora foliosa, Pallas, sp. 



1766. Madrepora foliosa, Pallas, Elench. Zooph. p. 333. 



Only a few small fragments of this form were obtained. 

 Macclesfield Bank, 20^ fath. 



Montipora proUjica, Brugg., MS. ? 

 Macclesfield Bank, 26^ fath. 



Montqjora lima'?, Lam., sp. 



1816. Aqaricia lima, Lam. Hist. Niit. des Anim. sans Vertebr. t. ii. 

 p. 243" 2nd ed. p. 382. 



Only a small fragment of a thin frond, doubtfully referred 

 to this species. 



Macclesfield Bank, 26^ fath. 



Montipora, sp. 



Large plate-shaped expansion, about 12 millim. in thick- 

 ness, the under surface partly naked, partly with wrinkled 

 epitheca ; upper surface thickly covered with spinous papillae. 

 Calices in the interspaces between these are nearly 1 millim. 

 in width, with from six to nine septa. 



Tizard Bank, depth 8^ fath. 



Monlipora Dance, Ed. & H. 

 Montipora Dana, Ed. & II. Monogr. des Poritides, p. 63. 

 Tizard Bank, ^ fath. 



Montipora, sp. 



Corallum very thin, explanate, not incrusting, about 1 to 

 \'b millim. in tiiickncss, very delicate porous upper surface. 

 Calices small, short, about 1 millim. in width, with .<«ix .septa. 

 Approaches M. lichen, Dana, .<»p., but is much thinner and 



