58 PLIOBOTHRUS. 



Pliobothrus tubulatus Podkt. 

 Heliopora tubulata Pourt. Bull. Mus. Comp. Zobl., No. 6. 



Plate IV., fig. 9. 



Branches not much divided, cylindrical ; the tubulated pores very 

 prominent and slender, giving to the coral a hirsute appearance. The 

 internal structure appears to be of the same pattern as in the preced- 

 ing species. 



Height, incomplete, 2.5 cm. Diameter of branches about 3 mm. 



Off Havana, in 270 fathoms. 



