SUPPLEMENT. 
149 
1. Allopora flabelliformis {Lamarck,) Dana. Eight inches high, 
much branched, flabellate, secund, branchlets crowded, minute, and very 
short, flexuous. Corallum smooth, calicles minute (one-sixth of a iine broad), 
lamellaB scarcely distinct 
East Indies. 
2. Allopora rosea (Pallas,) Dana. — Small, much branched, flabellate, 
mostly secund ; branches attenuate. Corallum rose-colored, often verrucifer- 
ous, calicles very minute (scarcely one-fourth of a line broad), some lateral 
and very short, others terminal, lamellge not exsert. 
West Indies. 
3. Allopora infundibulifera (Lamarck,) Dana. Corallum very ra- 
mose ; subflabellate, branchlets very small, flexuous in zigzag, often coales- 
cent ; calicles infundibuliform, internally striate ; margin crenulate. 
East Indies ? — Lamarck. 
4. Allopora gemmascens (Esper,) Dana. — Ramose, flabellate, somewhat 
compressed and mostly secund ; outer branchlets quite stout, nearly a line 
thick. Corallum having the cells half a line broad, a little prominent ; mar- 
gin crenulate, surface rough with minute tubercles. 
East Indies. 
5. Allopora oculina (Ehrenberg). — Small, ramose, compressed, subfla- 
bellate, smooth; branches dichotomous, one and a half to two lines thick, ob- 
tuse. Corallum having the cells few, scattered, scarcely prominent, distinctly 
5 to 9-rayed, mostly 7-rayed. 
6. Allopora norwegica (Fahricius,) Dana. Compressed and almost 
flabellate, branchlets very short and rather stout. Corallum smooth, calicles 
obsolete, cells minute, circular, or oblong, lamellae scarcely at all exsert, 
nearly equal. 
Norwegian Seas. 
Genus MYRIOZOUM. — Donati, Ehrenberg. 
Attached ramose. Coralla naked below, bnt above punctured 
with minute cells, not lamellate within, and radiating from the 
axis of the stem ; polyps , multitentaculate, and having an oper- 
culum. 
1. Myriozoum truncatum. — Small ; dichotomous ; branches terete, trun- 
cate at apex. 
Mediterranean. 
