86 THE VOYAGE OF H.M.S. CHALLENGER. 



Species 5. Allopora nobilis, Kent, Proc. Zool. Soc., 1871, p. 279, pi. xxv. = 



explanata, Kent, I.e., p. 250, pi. xxv. = Allopora venusta, Verrill (?). 

 Species 6. Allopora subviolacea, Kent, Proc. Zool. Soc, 1871, p. 280, pi. xxv. 

 Species. 7. Allopora prq/ienda, Moseley, Phil. Trans. Eoy. Soc, 1878, part 2, p. 424. 



Present memoir, PL I. fig. 6. Off the mouth of the Rio de la Plata, 600 



fathoms. 

 Species 8. Allopora pygmcea, Homer. Dendracis pygmcea, Romer, Beschreibung 



der Norddeutschen tertiaren Polyparien ; Meyers, Palaeontographica, Bd. 



iv. p. 243, Taf. xxxix. ; Bd. ix., fig. 13, a-c. Described as a Bryozoon 



fossil in Oligoccene of Lattorf. 

 Allopora tuberculosa, Romer. Dendracis tuberculosa, Romer, I.e. ; fossil in 



Oligoccene of Lattorf. 



(VIII.) Genus Stylaster, Gray, Zool. Miscell., p. 36, 1831. 



Species 1. Sylaster flabelliformis, M, -Edwards and Haime, Hist. Nat. des Cor., t. ii. 



p. 129. Isle of Bourbon, 160 fathoms. Bougainville, Solomon Islands. 



Studer, Monatsbt. der K. P. Akad. der Wiss., 1878, s. 635. 

 Species 2. Stylaster gracilis, M.-Edw. and H., Hist. Nat. des Cor., t. ii. p. 129. 



Australia; off Samboangan, Philippine Islands, 30 and 10 fathoms; 



off the Kermadec Islands, 520 fathoms. 

 Species 3. Stylaster roseus, M.-Edw. and H., Hist. Nat. des Cor., t. ii. p. 130. 



American Ocean ; littoral on the Florida Reefs, 2 feet below low water 



mark ; Pourtales, Deep- Sea Corals, p. 83. G. Lindstrom, Actinology of 



the Atlantic Ocean, K. Sv. Vet. Acad. Hand., Bd. xiv., No. 6, p. 15. On 



the Josephine Bank, 340 fathoms; off Anguilla, 100 to 150 fathoms. 

 Species 4. Stylaster sanguineus, M.-Edw. and H., Hist. Nat. des Cor., t. ii 



p. 130 ; Ann. des Sci. Nat., t. xiii. p. 96, pi. iii. fig. 2, 1850. Coast 



of Australia ; New Zealand ; Florida, shallow water ; Pourtales, Deep- 



Sea Corals, p. 83. 

 Species 5. Stylaster gemmascens, M.-Edw. and H., Hist. Nat. des Cor., t. ii. p. 131. 



Indian Ocean; North Atlantic, 530 fathoms, "Porcupine," P. M. Duncan, 



Trans. Zool. Soc, part 2, vol. viii. p. 332 ; at great depth in the Foldenf- 



jord, Norway, G. O. Sars, I.e., p. 115. 

 Species 6. Stylaster granulosus, M.-Edw. and H., Hist. Nat. des Cor., t. ii. p. 131 ; 



Ann. des Sci. Nat., 3 ser., t. xiii. p. 3, fig. 3, 1850. 

 Species 7. Stylaster bella, Dana, Zooph., p. 696, pi. Ix. fig. 6. Cyclopora bella, 



Verrill, Proc. Essex Inst., vol. v. p. 38, 1866. Paumotu Archipelago. 



(Without style?) 

 Species 8. Stylaster amphiheloides, Kent, Proc. Zool. Soc, 1871, p. 277, with figure. 



