456 Mr. P. W. Bnssett-S.nith on 



proliferous, curved calices, often 15 centiin. long, not dilated 

 at base ; aperture 1 millitn. round, lip rather thick, septa six ; 

 under surface shows branches and branchlets uniting to form 

 irregular and close network almost entirely bare of calices^ 

 which are immersed ; surface minutely echinulate. Ooralluni 

 dense, ends of calices tipped with lilac. 



This species differs from " speciosa " in having the long 

 tubular calices rising from short stems with appressed nari- 

 form calices, and the calices not being dilated at the base. 

 From '' frac/ ill's ^^ it is quite distinct. 



Macclesfield Bank, 2(5^ fath. 



Madrepora Ramhleri^ var. 

 Living, Macclesfield Bank, 20^ fath. 



Genus PoEiTES, Lam. 



Porites mucronata, Dana. 



1848. Porites nmcronata, Dana, Expl. Exp. Zooph. p. 6o8, pi. liv. 

 tig. 2. 



Tizard Bank, \ fath. 



Porites conferta, Dana. 

 1848. Porites conferta, Dana, Expl. Exp. Zooph. p. 657. 

 Itu-Aba, Tizard Bank, 2^ fath. 



Porites hitea^ Quoy & Gaimard. 



1833. Porites conglomerata, var. hdea, Quoy & Gaimard, Vovage da 

 I'Astrol., Zooph. p. 249. 



Tizard Bank, \ fath. 



Porites tenuis, Verrill. 

 1865. Porites tenuis, Verrill, Proc. Essex Inst. vol. v. pt. 3, p. 25. 

 Sand-Kay Keef, Tizard Bank, ^ fath. 



Porites arenosa, Esper, sp. 

 1797. Madrepora arenosa, Esper, Pflanz. t. i. Suppl. p. 80. 

 Lagoon, Tizard Reef, 2 to 6 fath. 



Porites lichen ?, Dana. 

 1848. Porites lichen, Dana, Expl. Exp. Zoopli. p. ^^(S, pi. Ivi. fig. 4. 

 Garvan Reef, Tizard Bank, 2^ fath. 



