m 
TRIBE m. — MADREPORACEA. 
rather firm, every where very minutely spinuloso-asperate, spinules scarcely 
one-sixth of a line long, and never lamellate ; cells very minute (one-fifth to 
one-sixth of a line broad), 6 to 12-rayed. 
Plate 46, fig. 3, zoophyte, natural size; 3a, part of surface with the polyps? 
enlarged ; 3 b, surface of coral! um, enlarged; 3 c, vertical section, ditto. — 
Peejee Islands, Mathuata, Island of Venua Lebu. — Exp. Exp. 
18. Manopora incrassata {Dana). — Thick explanate (d an inch), a little 
undulate, sparingly lobed ; surface angulately rough, or covered with very 
irregular polygonal prominences. Corallum hardly fragile, not spinulous, cells 
numerous, i of a line broad, every where scattered, some with an elevated I 
margin, 6 to 12-rayed. 
Plate 47, fig. 1, corallum, natural size. — Feejee Islands, — Exp. Exp. 
19 . Manopora erosa {Dana). — Glomerato-ramose, erect, stems subangu- 
lar, stout, acervately tuberculous, erose, obtuse. Corallum without papillae, | 
cells immersed, every where scattered, even at the summits; star 6-rayed. 
Plate 46, fig. 5, corallum, natural size; 5a, vertical section, enlarged. — 
Feejee Islands. — Exp. Exp. 
20. Manopora capita'pa {Dana). — Cespitoso-ramose, branches ^ to 1 inch 
thick, often irregularly inflated or nodose, and very frequently coalescing, 
rounded at apex or capitate. Corallum every where crowdedly papillose, even 
at apex, papilim oblong, 4- to 1 line thick, obtuse ; cells immersed, minute. I 
Plate 47, fig. 4, corallum, natural size. — Sandwich Islands, Hawaii, Hido 
Bay. — Exp. Eip. ; 
21. Manopora nudiceps {Dana). — Madrepora ahroianoides of Audouin, 
Egypte, Zoophytes, Plate iv, fig. 4. 
22. Manopora lima {Lamarck,) Dana. — Broad foliaceous, subcucullate, 
exterior alive for 3 inches or so. Corallum scarcely fragile, above, crowdedly 
rugose, rugae thin (hardly 4 a line thick), sometimes reticulate. 
“Austral Seas,” Peron Lesueur. — Sooloo Sea, Exp. Exp. 
23. Manopora papillosa {Lamarck,) Dana. — Foliaceous, fronds subfla- 
beliate. Corallum above papillose, papillae obtuse, rounded, a line thick, 
attenuate towards the margin, longitudinally seriate. 
“ Austral Seas.” — Peron ^ Lesueur. 
24. Manopora verrucosa {Lamarck,) Dana. — Undato-gibbous, explanate.W^ 
Corallum with deep immersed cells, interstices verruciferous, verrucae convex, ! 
and various in size. 
25. Manopora tuberculosa {Lamarck,) Dana. — Incrusting, irregular in ^ 
form, not lobed. Corallum having the cells minute, with the interstices tu- 
berculate; tubercles echinate, prominent, columniform, sometimes confluentM: 
in ridges. 
