6 
TRIBE I. ASTR^ACEA. 
2. Actinia pustdlata (Couthouy.) — Exterior pustulate, at middle cylin- 
drical and 2 inches broad, upper and lower extremities very much spread 
(nearly 3 inches in breadth), base at margin inciso-lobate Avith the lobes very 
narrow (1 to li lines), upper margin tuberculate, the tubercles remote and 
like rudimentary tentacles ; tentacles nearly equal, quite long (nearly 2 inches) 
and stout subulate, in two series ; mouth oblong (f of an inch), very promi- 
nent, with six lobes within: animal, when contracted, of a cylindrico-hemi- 
spherical form. 
Plate 1, fig. 2, animal, expanded, natural size ; a, view of the mouth and 
disk ; &, animal contracted. — Common on rocks at low tide off Praya Grande 
fort, Rio de Janeiro. — Exp. Exp. 
3. Actinia veratra {Drm/ton). — Exterior papillose, at middle 2^ inches 
broad, upper and lower extremities very much dilated (3j inches in breadth), 
margin of base undulate, upper margin uniseriately tuberculate ; tentacles 
sub-equal, quite long (If inches), scattered, nearly in 3 series, subulate, none 
marginal ; mouth an inch long, prominent. 
Plate 1, fig. 3, animal natural size. — On the rocks of the shores of Wollon- 
gong, N. S. Wales. — Exp. Exp. 
b. Tentacles shoHer than half the disk. 
4. Actinia clematis {Drayton). — Depressed, exterior pustulate, at middle 
2f inches broad, upper and lower extremities much dilated, the upper most so 
and 4 inches broad, with the margin lobed and uniseriately tuberculate, tuber- 
cles a line and a half broad ; tentacles short and rather stout, numerous (nearly 
in 5 series), the uncovered portion of the disk less than half the whole diam- 
eter; mouth oblong (f of an inch), but little prominent. 
Plate 1, figs. 4 and 5, different varieties, natural size. — Valparaiso, Chili. — 
Exp. Exp. 
5. Actinia Florida {Drayton). — Exterior crowded papillose, height 2 to 
2^ inches, at middle 2f inches thick ; lower and upper extremities sparingly 
dilated (3 inches in breadth), margin of base undulate, upper margin uniseri- 
ately tuberculate, somewhat plicate; tentacles short (about half an inch), 
nearly equal, subulate, stout, crowded, in 5 imperfect series ; mouth prominent. 
Plate 2, figs. 6, 7, 8, different varieties, natural size. — Shores of San Lo- 
renzo, off Callao, Peru. — Exp. Exp. 
6. Actinia tabella {Drayton). — Exterior smooth, animal scarcely an inch 
thick at middle, with the upper and lower extremities very much dilated 
(nearly two inches in breadth), margin of base broad lobed, upper margin tu- 
berculate ; tentacles short (4 lines), sub-equal, stout, subulate, crowded, in 4 
