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Show 430 PROF. P. M. DUNCAN ON DEEP-SEA [May 16, List of Species, and their Classification. Suborder SCLERODERMATA. Section MADREPORARIA APOROSA. Family TURBINOLID^E. Subfam. CARYOPHYLLIACE^E. Conocyathus zelandia, sp. n. Subfam. TROCHOCYATHACE^E. Deltocyathus orientalis, sp. n. Paracyathus coronatus, sp. n. Paracyathus persicus, sp. n. Subfam.TURBINOLIDJE REPTANTES, nov. Polycyathus atlanticus, sp. n. Agelecyathus helena, var. n. Agelecyathus helena, sp. n. persicus, sp. n. • Subfam. TURBINOLIACE^E. Javania insignis, sp. n. Brachytrochus simplex, sp. n. Family OCULINIDJE. Oculina cubaensis, sp. n. Family ASTR^EID^E. Subfam. ASTR^EIN^:. Antillia lonsdaleia, var. n. Division C L A D O C O R A C E ^ E. Dendrocora fissipara, sp. n. Division A S T R A N G I A C E ^ E . Astrangia minuta, sp. n. Cglicia tenella, var. n. epithecata, sp. n. MADREPORARIA PERFORATA. Family EUPSAMMIN^E. Balanophyllia helena, sp. n. Placopsammia darwini, sp. n. striata, sp. n. Species reconsidered. Family OCULINID^E. Sclerohelia hirtella, Pallas. Cyathohelia axillaris, Ellis & Solander. Description of the Species. Suborder S C L E R O D E R M A T A. MADREPORARIA APOROSA. Family TURBINOLIID^E. Subfam. CARYOPHYLLIACE^E. Genus CONOCYATHUS, D'Orbigny. m This genus is thus described by Milne-Edwards and Jules Haime in their ' Hist. Nat. des Corall.' vol. ii. p. 25 :- |