8 
TRIBE I. — ASTR.EACEA. 
b. Tentacles subulate or Jiliform^ longer than half the disk. 
Actinia impatiens (Couthouy). — Nearly cylindrical, 1 to 1^ inches in di- 
ameter and height, sometimes very much elongated and writhing ; sides 
smooth, but somewhat corrugato-striate, and above, color delicately tessel- 
ated; base sparingly dilated; tentacles subequal, an inch long, stout, subu- 
late, in 2 series ; mouth prominent, with 8 lobes within. 
Plate 3, fig. 18, animal, natural size ; a, the disk and tentacles ; 6, c, d, e, f 
forms sometimes assumed by the animal, sketched by J. P. Couthouy. — Among 
the crevices of rocks, in tide-pools. Orange Harbor, Tierra del Fuego. — 
Exp. Exp. 
Actinia monilifera {Drayton). — Animal, with the exterior smooth, an 
inch in diameter, below and above dilated (to 1^ inches), margin of base 
crenulate, and the surface adjoining appearing beaded ; the surface near the 
upper margin also beaded; tentacles quite slender, nearly an inch long, in 3 
series ; mouth prominent. 
Plate 3, fig, 19, expanded animal, natural size. — Obtained at low tide, at 
upper extremity of Bay of Islands, New Zealand. 
Actinia pretiosa {Dana). — Cylindrical, oblong, lito 2 lines in diameter; 
tentacles in 2 series, slender, 2 lines long, subequal ; exterior surface smooth, 
but here and there a minute prominent spot looking like a flower with a simple 
5-lobed corolla, besides other scattered dots. 
Plate 3, fig. 20, animal enlarged ; a, natural size. — The Feejee Islands, Pa- 
cific Ocean. — Exp. Exp. 
Actinia lineolata {Couthouy). — Animal a low depressed rounded cone, 
IJ inches broad, sides smooth, vertically lined with brown ; tentacles 24, in 2 
series, 6 to 8 lines long, rather stout ; disk small, radiated with whitish lines ; 
mouth small, circular, not prominent. 
Plate 3, fig. 22, animal natural size ; a, view of disk and tentacles. — On 
small stones just below low water mark. Forge Cove, near Orange Harbor, 
Tierra del Fuego. — Exp. Exp. 
Actinia cruentata {Couthouy). — Conico-subhemispherical, sparingly di- 
lated at base, sides concentrically wrinkled and tuberculate, tubercles small, 
suctorial, vertically seriate, obsolete below ; tentacles numerous, nearly an 
inch long, subequal, stout ; mouth prominent, four-cleft within ; disk radiated 
with whitish lines. 
Plate 3, fig. 23, natural size ; a, disk with the tentacles. — Saddle Island, 
entrance of Orange Bay, Tierra del Fuego. — Exp. Exp. 
Actinia decorata {Couthouy). — Subcylindrical, at middle inches in 
diameter, base broadly dilated and sinuously lobed ; sides naked above, below 
