306 PROFESSOR P. M. DUNCAN ON THE 
II. CLASSIFICATION OF THE SPECIES. 
ZOANTHARIA SCLERODERMATA'’. 
Section APOROSA. 
Group Turbinoliide. 
Subfamily CaRYOPHYLLIUN. 
Genus CaRYOPHYLLIA. 
Species 1. Caryophyllia clavus, Scacchi, sp. 
——, variety «. elongata. 
, variety SB. exserta. 
, variety y. borealis. 
, variety 5. smithii. 
, variety ¢. epithecata. 
cyathus, Ellis and Solander. A variety. 
arcuata, Ed. & H. <A variety. 
cylindracea, Reuss. Two varieties. 
abyssorum, Duncan. 
inskipi, Duncan. 
calveri, Duncan. 
vermiformis, Duncan. ~ 
pourtalesi, Duncan. 
seguenze, Duncan. , 
Species 2. 
peta 
CHARA w 
10. 
Syn. Ceratocyathus ornatus, Seguenza. 
Genus BatuycyaTHus. 
Species 1. Bathycyathus atlanticus, Duncan. 
Subfamily TRocHOCYATHACE. 
Genus PARACYATHUS. 
Species 1. Paracyathus agassizi, Duncan. ~ 
2. striatus, Philippi, sp. 
Division TURBINOLIACES. 
Genus SPHENOTROCHUS. 
Species 1. Sphenotrochus intermedius, Minster, sp. 
Genus SABINOTROCHUS, gen. nov. 
Species 1. Sabinotrochus apertus, Duncan. & ~ 
1 Hist. Nat. des Corall., MM. Milne-Edwards and Jules Haime. 1860, Paris. 
