69 
pora—Porites—Seriatopora—Pocillopora, and Antho- 
pora {Gray). 
The animals of the class Polypiaria, differ from the 
Sea Anemones, and the Zoanthi, by the mouth being 
provided with only a single series of long tentacula, by 
the body being more slender, and by the cells which they 
form being quite simple, or without any radiating laminae. 
The genera belonging to the class Polypiaria are 
distributed as follows:—• 
Table Case No. 9, contains the genera, Alveolites— 
Frondipora—Lichenopora—Polytrema—Orbitolifces—• 
Marginopora — Distichopora—Hornera — Idmonea — 
Cricopora — Obelia — Tubulipora — Myriapora — Es- 
chara—Adeone—Mesenteripora—Retepora—Ovulites 
— Cellepora — Berenicea—Discopora—Membranipora, 
and Lunulites. 
No. 10. Electra — Flustra—-Elzerina— Pherusa # — 
Cellaria—Canda— Caberea —Tricellaria—Achamarchis 
—Bicellaria— Crisia —Gemicellaria— Unicellaria —Ca- 
tenicella—Menipaea — Alecto — Anguinaria — Tihiana 
Neome7'is —Tubularia—Coryna—Campanularia—Lao- 
medea—Seriolaria—Plumularia, and Sertularia. 
No. 11. Biseriaria— Idia —Dynamena—Tuliparia—- 
Antennularia—Cymodocea—Salacia—Thoa— Entala ~ 
phora — Cristatella — Plumatella — Alcyonella. 
The true Zoophytes, are so called from the general 
resemblance wdiich their corals bear to plants: some of 
them form a horny, and others a calcareous coral. 
They form the class Zoophytaria of de Blainville, and 
are contained in the Table Cases, Nos. 11—16. 
No. 11 (continued), Cuscutaria— Telesto—Cornularia 
— Clavularia —Tubipora—Corallium—Isis, and part of 
Melitcea. 
No. 12. Melitoea, and part of Gorgonia. 
No. 13. Gorgonia. 
* The Museum does not possess specimens of the genera printed 
in italics. 
ROOM XI. 
Nat. Hist. 
No. 14. 
