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BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Family 1. HAIMEID,E. 
(1 ) Ileernea Milne-Edwards. (2) Hartea Wright. (3) Monoxenia H aeckel . 
None of these genera is found within the territory covered by this paper. 
1 . Comularia Laniard# 1 2 3 4 
2. Rhizoxenia Ehrenberg. 
3. Clavularia Quoy & Gaimard. 
4. Sarcodictyon Forbes. 
5. Anthelia Savigny. 
6. Gymnosarca S. Kent. 
Family II. CORNULARIIIhE. 
7. Cornulariella Verrill. 
8. Teletit o Lamouroux. 
9. Ceelogorgia Milne-Edwards. 
10. Cyathopodium Verrill. 
11. Scleranthelia Stnder. 
12. Authopodium Verrill. 
13. Sympodimn Ehrenberg. 
14. Erythropodium Kolliker. 
15. Callipodium Verrill. 
16. Pseitdogorgia Kolliker. 
Probably not more than five genera of this family have been found in the North Atlantic near 
the American coast. 
7. Cornulariella. Colony consists of a series of creeping stolons from which the tubular polyps 
arise. Polyps have large tentacles, with short, thick pinnae; the upper portion of each 
polyp has few spicules and is retractile within the lower portion, which is quite rigid from 
being packed with numerous warty spindles. 
8. Telesto. The polyps arise from a membranous base or from stolons, and have deep gastral cavities. 
Lateral buds spring forth from their body 'walls. The walls of the polyp calyces contain 
spicules, which may sometimes be united by a horny substance. 
12. Anthopodium. Colony is incrusting, firm. Polyps large, prominent, retractile within tubular 
verrucae; surface of coenenchyma and verrucas minutely granular with the dentations of 
projecting spicules, which are irregular in outline and closely united together. Spiny 
spicules and clubs are also found. 
13. Sympodium. The base of the colony is a thin leathery membrane, from which the rather numerous 
polyps arise. Polyps are short, retractile, and deeply sunk into the basal membrane. 
Spicules very small and disk-like. 
14. Erythropodium. Colony has an incrusting membranous base. Polyps retractile within very small 
verrucae. Spicules long, hexradiate, with rounded ends and small dentations. 
Family III. TUBIPORIDtE. 
Tubipora Linnaeus. 
Family IV. XENI1D/E. 
Xenia Savigny. 
Family V. OR ('.WIDE. 
Organidus Danielssen. 
Family VI. ALCYONIILE. 
1. Crystalloplianee Danielssen. 
2. Bellonella Gray. 
3. Nidalia Gray. 
4. Paralcyoniwn Milne-Edwards. 
5. Sarakka Danielssen. 
6. Alcyonium Linnaeus. 
7. Lobularia Savigny. 
8. Sarcophytum Lesson. 
9. Lobophytum Marenzeller. 
10. Anthomastus Verrill. 
11. Nannodendron Danielssen. 
6. Alcyonium. Colony presents appearance of variously lobed, soft masses, over the surfaces of 
which the polyps are spread. Polyps are completely retractile. Spicules chiefly spindles. 
7. Lobularia. Colony like the preceding, but the short broad stem is furnished with a series of 
lobes or lappits, the coenenchyma of which is thickly packed with spicules, clubs, and 
double clubs. 
10. Anthomastus. Colony forms a rounded mass with a short barren peduncle, either directly 
adherent or fixed in mud by root-like peduncles. Polyps dimorphic. Autozooids large, 
few in number. Spicules, spiny and branching spindles. 
