38 DISTICnOPORA. 



caliole surrounded bj n numbei- of smaller ones, all provided -with col- 

 umelhv. The edge of the ealicle and of the septa is crowded with 

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



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

 as the lower sm'face 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. 



OlIT.nncss.'e K.'cf, ill 124 fnllioms. 

 (JirCi.lliiiV I'ati-lii's, in \'J-j ralhoms. 



This s])ecies is the most massive of our deep-sea corals, the next to it 

 in that respect being perhaps HlyhMer eruhescens. 



DISTICHOPORA Lamk. 



Distichopora sulcata Pourt. 



Dislicliopiini .iiilrnta PouitT. Bull. Mus. Comp. ZoiJl., No. 6. 



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



Corallum dendroid, much comjiressed, somewhat rugose. Calicles 

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

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

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



OfT Havana, in 270 fathoms. 



In Mr. Aran<^()'.s cabinet, in Havana, tVom the ennst of Culm, depth unknown. 



Fragnients brouglit u]) liv the lead from (JOO lathoms, lat. 31° 32' N., long 7,S° 20' \V. 



Distichopora foliacea Pornx. 



TH^lichnponi fotiacia Pot'KT. Bull. Mus. Comp. Zoiil., No. 7. 



Plate IV., fig.s. 12 and 13. 



Corallum branching, llabellate, 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 de(hied, represented by scattered tu))erculated pores. The plane 

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



