collar the longitudinal rows are more prominent, and there may be as many as 7 or even 8 
pairs in the dorsal rows. 
Spicules. The spicules of the sterile stalk are very characteristic. The predominant types 
are (1) irregular multiradiates suggestive of actively moving amoebae; (2) similar forms with a 
distinct median constriction; and (3) small capstan-like bodies. 
Locality: Station 302. 
Three small colonies from Station 51, Molo Str., 30—50 fathoms, must also be referred 
to this species. They all show the same mode of growth. In one specimen the foliaceous collar 
is pinkish and in the other white, but in both cases the polyps are red and the anthocodiae 
white. The sterile stalk is more densely spiculose and the supporting bundle is stronger. The 
armature of the - anthocodiae is exactly as above. 
General Notes. In some of the colonies the hard foliaceous collar is turned downwards, 
in others upwards. The latter one would expect to be the normal position in life, and the former 
the position assumed during preservation. It tends to show, however, that the collar, though 
hard, is flexible in life. 
In the upper part of the large colony figured there are numerous galls due to and 
containing- small Balanidae. 
o 
19. Dendronephthya jlorida (Esper). (Plate XXVI, Fig. 5). 
For description see: KUKENTHAL, Versuch einer Revision der Alcyonarien, II, 1905, 
pp. 651—655. 
Stat. 96. South-east side of Pearl-bank, Sulu-archipelago. 15 M. Lithothamnion-bottom. 1 Ex. 
Stat. 99. 6° 7'.5 N., 120° 26'E. 16—23 M. Lithothamnion-bottom. 1 Ex. 
Anthocodial Grade and Formula : 
III == 5 — 7 p -p o Cr-(- strong S. B. 
We refer to this species two umbellate specimens, one from Station 96 and another 
from Station 99. In both [a] the sterile stalk is short, ( b ) there is a foliaceous collar at the base 
of the polyparium, ( c ) the polyparium is globular, not markedly flattened, rigid and compact, 
and ( d ) the surface is not very regular but marked by irregular depressions. 
In the first the sterile stalk is 1 cm. long, and the polyparium is 5 cm. in height and 
5 cm. in maximum breadth. The colour of the sterile stalk is greyish, the foliaceous collar is 
white to orange, the lower branches are orange red with white polyps, the upper branches, 
which form the greater part of the colony, are chocolate red, as also are their polyps. 
In the second the sterile stalk is 0.5 cm. in length; the polyparium is 3 cm. in height 
and 3 cm. in breadth. The polyp-bearing branches and twigs are chocolate red, but the polyps 
are all white. 
The anthocodial armature consists of 5—7 pairs of spindles of the hockey-club type, 
which fit closely together en chevron. The uppermost pair are distinctly longer and stronger 
than the others. Between the tips of the points there is often an interpolation of small spindles. 
The degree of projection of the tips of the points varies considerably in the different parts of 
the colony, but this feature depends on the degree of contraction of the polyp. The tentacles 
are densely covered with small spicules. 
SIBOGA-EXPEDITIE XIII o'. 
17 
