CORALS FROM SOUTH AFRICA. 



873 



Three species of the genus S'uberia have been described, and the 

 following table shows the difi'erences between them so far as these 

 can at present be stated. 



Suberia capetisis, sp. n. Suheria ffentJii Str. Suheria Icoellikeri Str. Suheria clavaria Str. 



Colour, dark red. 



Simple, unbranched. Branched. . 



Height 53 mm. 80 mm. 



Trunk cylindrical, Cylindrical, 

 expanded at the apex. 



Polyps at the apex but Polyps not terminal 



not terminal, 2-3 mm. 



in height. 

 The nnd is firm and 



rough. 

 The spicules are : — • 



(1) rods, (2) spindles, 



(3) tri-radiate forms, 



(4) 4-rayed forms, 



(5) irregular spicules. 



No canals in axis. 



Canals immediately out- 

 side the axis. 



Axis of horny tissue with 

 numerous associated 

 spicules. 



(1) straight warty 

 spindles, 



(2) curved warty 

 spindles, 



(3) 4-rayed forms, 



(4) double crosses, 



(5) irregularly branch- 

 ed spicules. 



Canals in the axis. 

 Canals in the circum- 

 ference. 



Eose-red, disappearing 

 in alcohol. 



Branched. 

 About 110 mm. 

 Cylindrical, branches 



expanded at the 



apices. 

 1-1"5 mm. in height. 



The rind is thin and 

 rough. 



(1) rod-like spicules, 



(2) cross - shaped or 

 triplets. 



Flesh-coloured during 

 life, disappearing in 

 alcohol. 



Simple, unbranched. 



160 mm. 



Cylindrical, expanded 

 at the apex. 



Polyps thickly crowded 

 together at the apex, 

 1-2 mm. in height. 



The rind is soft and 

 smooth. 



(1) slightly spined 

 spindle-shaped rods, 



(2) crosses, 



(3) spinous spindles. 



Dimensions of Spicules :- 



Large spindles, from 



0-0935 X 0-0595 to 



0-0289X0-0935 mm.; 



tri-radiate forms, from 

 00357 X 0051 to 0068 

 X 0-068 mm. 



rods, from 0-085 X 0-0255 

 to 0-272X0-0765 mm.; 



irregularly - shaped 

 spicules ' from 0/238 X 

 0-119 to 0-340X0-119 

 mm. 

 dumbbell-shaped forms 

 about 0-051 X 0*020 mm . 



Habitat : — South Africa, 

 Cape Morgan, N.N.E., 

 9J miles. Depth, 47 

 fras. By dredge. 

 Bottom, broken shells. 



Axis surrounded bj' a 

 wreath of canals. 



Axis consists of smooth 

 rod-like spicules 

 (with few spines) 

 lying close to one 

 another. 



Straight, warty spi- Warty, thorny spi- 

 cules, from 6-09 X cules, 0-24 and 0-021 



0-08 to 0-34X0-10 mm. in length ; 



mm. 

 curved, warty spindles rods ( " Drillinge " ) 



from 0-24X012 to from axis, 0-35 ram. 



0-30X010 mm. ; 

 long, spiny, carved 



spindles, from 0-4X 



0-04 to 0-24 X 0-4 



mm.; 

 irregularli' branched 



spicules, from 024 



to 0-06 mm. in widest 



diameter ; 

 4-raj'ed forms, 0-32 to 



0-06 and 0*20 to 0-12 



mm. ; 

 double crosses, from 



0-1 to 0-025 and 0-08 



to 0-01 mm. 

 Shallow water, off Xorthof New Zealand. 



Port .Jackson 



(Australia). 



Axis as in the last 

 species " well separ- 

 ated" and consists of 

 long, slightlj' spined, 

 spindle-shaped rods ; 

 crosses also occur. 



Spinous spindles from 

 the rind, O"! to O'lS 

 mm. in length ; 



long, slightly spined, 

 spindle-shaped rods, 

 0-237 and 0265 mm. 

 in length. 



Atlantic, off Monte 

 Video 



