184 PEECY SLADEN TEUST EXPEDITION. 



The " Stutzbllndel " is formed of at most two spindles, of which one is rather longer 

 than its fellow (2-3 mm.) and projects slightly beyond the polyp-head. 



The polyp-head makes an acute angle with its stalk. It is armoured with the usual 

 crown of eight " points," which are formed here of several pairs of almost equal-sized 

 spicules, 8 pairs on the (dorsal) side towards the point of the " Stutzbundel" and only 

 3-4 pairs on the (ventral) side towards the stalk. These spicules are short and stout, 

 chalk-white spindles with few warts: — "221 X '051, -153 X '042 mm. They sometimes 

 occur also in little grotips between the " points," and are often continued irregularly on 

 to the polyp-stalk like scattered rice-grains. The tentacles show an irregular double 

 row of similar but smaller spicules, -093 X "022 mm. 



The stem and branches are not very heavily armoured and are somewhat flaccid. 

 The spicules of the branches and upper part of the stem are pale yellow spindles, straight 

 or curved, having rather distant simple w^arts. Their dimensions vary from '935 X '085 

 and 1-53 X -086 to 2041X-102 mm. 



In the lower part of the stem the spicules occur more densely. The slender spindles 

 give place here to short bent spindles (•255 X "17, '595 X "185 mm.) and triradiate and 

 quadriradiate forms. These are all of a yellowish-red colour, tipped with white. 



The canal-walls are almost free from spicules ; a few minute, white, stellate and 

 triradiate forms occur in the upper part of the colony. 



The colour of the specimen is yellowish cream with white polyps, while the lower 

 part of the trunk is rhubarb-red. In general characters it comes very near to Kiiken- 

 thal's D. jajjonicu, and we are reluctant to add to the ah-eady bewildering List of 

 species. But certain features, such as the presence of numerous spicules in the lower 

 part of the stem, the different form oi: the spicules in the canal-walls and in the 

 anthocodia, the reduction in the number of spicule-pairs on the ventral side of the 

 polyp, are against its inclusion in D. japonica, and may justify the erection of a news 

 though closely-allied species, D. gaj-dineri. 



Locality. Seychelles, 37 fms. 



45. Dendronephthya r/iga nlea (Yei'iUl). 

 See Kiikenthal: Zool. Jahrb. xxi. 1905, p. 549, 1 fig. 



Locality. Amirante, 22-85 fms. 



Previously recorded from Japan and Hongkong. 



46. Dendronephthya studeri (Ridley). 

 See Kiikenthal : loc. cit. p. 567, 1 tig. 



A very young colony. 



Locality. S.W. Indian Ocean ; precise locality not recognisable. 



Previously recorded from New Guinea and North Australia. 



47. Dendronephthya koellikeri, Kiikenthal. 

 See Kiikeuthal : loc. cii. p. 573, 2 fig;'. 



Locality. Amirante, 36 fms. ; Amirante, 20-44 fms. 

 Previously recorded from Palaos. 



