SUBORDER II. ALCYONARIA. 
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14. Alcyonium trichanthinum (Z?«na). — Soft, flexible, ramose ; branches 
numerous, terete, 3 to 4 lines thick, and 6 to 9 long, obtuse ; polyps crowded, 
tentacles long, very slender, 
Plate 58, fig. 1, zoophyte as it appears expanded, and part unexpanded.— 
Feejee Islands. — Ea:p. Eip, 
15. Alcyonium confertum {Dana). — Four inches high, coriaceous, rigid, 
erect, very stout stipitate (1^ inches); branches crowded above, short and sim- 
ple, or sparingly ramose, terete, 2 to lines thick, and about i an inch long, 
rounded at apex ; internal spicuia much crowded; polyps minute, f of aline 
apart. 
Plate 57, fig. 7, unexpanded zoophyte, natural size ; 7 a, some of the spicuia ; 
76, polyp, partly expanded, — Feejee Islands. — Exp. Exp. 
16. Alcyonium rigidum {Dana). — Rigid, spreading, incrusting and sub- 
explanate ; branches usually simple, short digitiform, scarcely 1 inch long, 
and 2 to 4 lines thick, obtuse, frequently very remote. 
Plate 58, fig. 2, the unexpanded zoophyte, natural size. — Feejee Islands, at 
Mathuata, Venua Lebu. — Exp. Exp. 
17. Alcyonium morale {Dana). Rigid coriaceous, stout, spreading, 
branches simple, subreraote, stout lamellar, erect, often 2 inches long, to 1 
high, and i of an inch thick, sometimes sinuous ; polyps much crowded, green. 
Plate 58, fig. 3, the zoophyte unexpanded, natural size.- — Tongatabu. — Exp. 
Exp. 
18. Alcyonium glaucdm {%j.oy Gaymard). — Soft, stipitate, broad ex- 
planate, margin much undulate, revolute, and often lobed ; polyps mostly a 
line distant, fuscous, tentacles at apex light yellowish-green. 
Plate 58, figs. 4, 5, and plate 59, fig. 6, unexpanded, natural size. — Ton- 
gatabu, ^uoy Gaymard. — Tongatabu and Feejees, Exp. Exp. 
19. Alcyonium latum {Dana). — Rather rigid, very stout stipitate and 
very broad explanate, margin sinuously undulate, scarcely revolute; polyps 
about a line distant, and surrounded by a series of points, 
Plate 58, fig. 6a, surface, magnified; 6 6, one of the polyps, magnified; 
66', same, natural size. — Feejee Islands. — Exp. Exp. 
20. Alcyonium pulmo {Esper). — Carnose, glomerate, half a foot to one 
foot thick, surface uneven or sublobate, pedicel stout ; polyps 3 lines long, ex- 
panded star 3 lines broad, w’hite. 
Red Sea. — Ehrenberg. 
21. Alcyonium elegans {Milne Edwards,) Dana.— Ascending and erect, 
subramose, below^ cylindrical, and the surface becoming nearly solid by calca- 
reous secretions. 
Mediterranean, near Algiers. — Milne Edwards. 
