raiBE II. CARYOPHYLLACEA. 
is 
Plate 30, fig’. 2, zoophytes, natural size ; 2 a, same, enlarged.— -Feejee Isl- 
ands.— Exp. 
4. IsAURA spEciosA (Dctna).— Stout, f of a inch high, and 2 to 4 lines 
thick, pale ; disk 8 lines broad, deep-green, but becoming brown near the mar- 
gin ; tentacles short, in three series, the outer yellow, the intermediate umber, 
with a tinge of green, and the inner deep and rich green. 
Plate 30, fig. 1 zoophytes, natural size ; 1 a, same magnified. — The Balabac 
Passage, north of Borneo. — Exp. Exp. 
Genus ZOANTHA. 
Zoanthidas bndding from creeping shoots, 
1. ZoANTHA Ellisii {Bosc). — Polyps often 2 inches long, clavate, tenta- 
cles filiform. 
West Indies. — Ellis. 
2. ZoANTHA sociATA {Lcsueur). — Polyps 2 inches high, and subviolaceous, 
disks half an inch in diameter, greenish ; tentacles slender and short, yellowish. 
Guadaloupe, West Indies. — Lesueur. 
3. ZoANTHA SoLANDRi {Lesiieuv). — Polyps stouter than in the sodata^ 2 
inches high, disks reddish-brown, tentacles short. 
West Indies, St. Thomas. — Lesueur. 
4. ZoANTHA DUBiA (Lesueur). — Smaller than the social, cylindrical ; disk 
green at centre, tentacles and mouth yellow ; tentacles in two series, very nu- 
merous. 
Guadaloupe, West Indies. — Lesueur. 
5. ZoANTHA Bertholettf (Audouin,) Ehrenherg. — Reticulate; polyps 4 
lines in height, and 1| to 2 lines broad, subcylindrical, with the tentacles cla- 
vate ; when contracted mammilliform. 
Red Sea. — Savigny. 
Genus PALYTHOA.— Lamouroux. 
Zoanthidae with explanate gemmation ; polyps united to one 
another laterally. 
I. United only at base. 
1. Palythoa dencdata (Cavolini,) Dana. — Purple ; the polyps united 
only at base, very prominent, cylindrical, and clavate, 1 to 2 lines thick, and 
6 to 9 high ; tentacles in three series, the outer smallest. 
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