THE ANATOMY OF THE MADREPORARIA. 
595 
Classification of the Zoantharia (Hexacoralla). 
1. Actiniaria (Malacodermata). 
i. Hexactinise . 
ii. Edwardsiae. 
iii. Zoantheae. 
iv. Ceriantheae. 
2. Madreporaria (Scleroderiuata). 
A. Imperforata (Aporosa). 
i. Turbinolidae 
ii. Oculinidae . 
iii. Pocilloporidae 
iv. Astreidae 
B. Fungida. 
i. Fungidae 
C. Perforata. 
i. Eupsammidae 
Actinia. 
Flabellum. 
Caryophyllia. 
Stylophora. 
Focillopora. 
Seriatopora. 
Cladocora. 
Bathyactis. 
Stephanophyllia. 
Rhodopsammia. 
Literature of the Group. 
1. Lacaze Duthiers. — “ Developpement des Coralliaires,” ‘Arch. Zool. 
exp. et gen./ tome ii, 1873. 
2. Lacaze Duthiers. — “Developpement des Coralliaires,” ‘Arch. Zool. 
exp. et gen.,’ tome i, 1872. 
3. 0. u. R. Hertwig. — “D ie Actinien.” Jena, 1879. 
4. von Koch. — “ Bemerk. ii. d. Skelett d. Korallen,” ‘ Morph. Jahrb.,’ 
Band v, 1879. 
5. Moseley. — “ Remarks on some Corals,” ‘ Proc. Zool. Soc.,’ 1880. 
6. v. Koch. — ■“ Notizen ii. Korallen,” ‘ Morph. Jahrb.,’ Bd. vi, 1880. 
7. v. Koch. — “ Mitth. ii. Colenteraten,” ‘ Jen. Zeitschr.,’ Bd. xi. 
8. v. Heider. — “Die Gattung Cladocora,” ‘Sitz. d. k. Akad. Wiss.,’ 1881. 
9. v. Koch. — “ Entwick. d. Kalkskeletes v. Astroides caly cularis,” 
‘ Mitth. d. Zool. Sta. Neap.,’ Bd. iii. 
10. Moseley. — “ Seriatopora, Pocillopora, &c.,” ‘ Quart. Journ. Micr. Sci.,’ 
October, 1882. 
11. Moseley. — ‘ Rept. Voyage H.M.S. “Challenger,”’ vol. ii. 
12. Semper. — “ Generationswechsel bei Steinkorallen,” ‘ Zeitschr. f. wiss. 
Zool ,’ Bd. xxii. 
v. Koch. — “ Die Morphologische Bedeutung d. Korallenskelets,” * Biol. 
Centralblatt.,’ Bd. ii. 
v. Koch. — “Mitth. ii. d. Kalkskelet d. Madreporaria,” ‘Morph. Jahrb.,’ 
Bd. viii. 
