38 DISTICHOPORA. 



calicle surrounded by a number of smaller ones, all provided with col- 

 umellie. Tbe edge of the calicle and of the septa is crowded with 

 small sharp points and abundantly perforated. Color brick-red. 



The corallum seems to have grown in a horizontal trailing manner, 

 as the lower surface often shows signs of contact with foreign bodies. 



Dimensions: length 10 to 15 cm., thickness 1 to 1.5 cm., diameter 

 of calicles 1.2 to 1.5 mm. 



Off Tennessee Reef, in 124 fathoms. 

 Off Coffin's Patches, in 195 fathoms. 



This species is the most massive of our deep-sea corals, the next to it 

 in that respect being perhaps Stylader erubescem. 



DISTICHOPORA Lame. 



Distichopora sulcata Pourt. 



DUlichopora sulcata Pourt. Bull. Mus. Comp. Zool., No. 6. 



Plate IV., fig. 14 ; and Plate VII, fig. 7. 



Corallum dendroid, much compressed, somewhat rugose. Calicles 

 sometimes isolated, but generally confluent and forming a deep furrow. 

 Interseptal pores round, from eight to ten, surrounding the isolated 

 calicles. Columella deep seated, hirsute, styliform. Color whitish. 



Off Havana, in 270 fathoms. 



In Mr. Arango's cabinet, in Havana, from the coast of Cuba, depth unknown. 



Fragments brought up by the lead from 600 fathoms, lat. 31° 32' N., long 78° 20' W. 



Distichopora foliacea Pocrt. 

 Distichopora foliacm Pourt. Bull. Mus. Comp. Zool., No. 7. 



Plate IV., figs. 12 and 13. 



Corallum branching, flabellate, much compressed, finely striated and 

 granulated. The calicles in a somewhat irregular row, a little on one 

 side of the edge, which is sharp and finely serrated. One of the rows 

 of lateral pores on the summits of the denticulations, the other not 

 well defined, represented by scattered tuberculated pores. The plane 

 towards which the calicles are situated is thickly studded with am- 



