450 
Mr. P. W. Bassett-Smith on 
Genus Montipora, Quoy & Gaimard. 
Montipora papUlosa, Lam., sp. 
1816. Aqaricia papillosa, Lam. Hist. Nat. des Anim. sans Vertebr. t. ii. 
p. 243', 2nd ed. p. 382. 
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, 20J fath. 
Montipora prolifica, Brugg., MS. ? 
Macclesfield Bank, 26| fath. 
Montipora lima ?, Lam., sp. 
1816. Agaricia lima , Lam. Hist. N(it. 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. 
Montipora Dance , Ed. & H. 
Montipora Dance, Ed. & H. Monogr. des Pori tides, p. 62. 
Tizard Bank, ^ fath. 
Montipora , sp. 
Corallum very thin, explanate, not incrusting, about 1 to 
1*5 millim. in thickness, very delicate porous upper surface. 
Calices small, short, about 1 millim. in width, with six septa. 
Approaches M, lichen , Dana, sp., but is much thinner and 
