634 ZOOPHYTES. 



Tubes of the corallum scarcely i a line broad, very densely crowded 

 (16-22 in an inch), and parallel, septa much crowded. 



Indian Ocean. 



The animal of this species is not yet known. 



Seba, Mus., iii., tab. 110, fig. 9. , Ehrenberg, G. xxiii., sp. 3. 



TMpora musica, in part, of Linnjcus, , Quoy and Gaymard, Voy. de 1'Ast., 



Lamarck, and others. pi. 21, fig. 9. 



2. TUBIPORA PURPUREA. (Lamarck.) 

 T. coralli tubis '" crassis, confertioribus, septis crebrioribits: 



Tubes of the corallum of a line thick, much crowded, septa quite 

 numerous. 



Red Sea. 



This very common species is larger than the musica in its tubes. 

 It approaches in size the two following species; but the tubes are 

 more regular and even. 



Tubipora musica, Ellis and Sol., tab. 27. Tabipora purpurea, Lamarck, 2d ed., ii. 

 Seba, Thes. iii., tab. 110 ; fig. 8 (?). 326. 



3. TUBIPORA FIMBRIATA. (Dana.} 



T. polyporum disco rubro-brunnescente, oreflavo, tentaculis pallide flavis, 

 laxe fimbriatis, papillis violaceis 2-3-seriatis ; coralli tubis vix '" 

 crassis, confertissimis et irregularibus, septis crebrioribus. 



Disk of the polyps brownish-red, mouth yellow, tentacles pale yellow, 

 loosely fringed, papillae violet, in 2 or 3 series; tubes of the coral- 

 lum scarcely of a line thick, very much crowded and irregular, 

 septa quite numerous. 



Plate 59, fig. 2, polyp, enlarged ; 2 a, part of tentacle. 



Feejee Islands, on the outer reefs. Exp. Exp. 



This species has the tubes of the corallum a very little larger than 



