THOMSON AND MACKINNON — STOLONIFEEA, ETC. 175 



6-7 rows of similax' spicules. Tlie tentacles bear minute white spicules arranged 

 transversely in a single row along the middle line. 



Por the rest, the spiculature of the colony is made up uniformly of double-spheres, 

 which show scarcely any middle constriction, except in some of the smaller, and 

 obviously younger forms. (Measurements in millimetres : 'll X "085, "ISS X "136, 

 •195 X -127.) 



These spicules are so closely packed that they give the ccenenchyma an almost stony 

 consistency. Under the lens the surface looks as though encrusted with yeUow, orange, 

 and red sand-grains. Towards the centre of the mass, the brightly-coloured spicules 

 become less numerous, and pale yellow to white forms predominate. 



Locality. Salomon, 60-120 fms. 



Genus LOBOPHYTUM. 



16. I/obopht/tum crassum, Marenzeller. 



See Marenzeller : Zool. Jahrb. i. (1886), p. 363, 4 figs. 

 Locality. Praslin, Seychelles. 

 Previously recorded from Reunion, Port Denison (Australia), Tonga. 



17. Lobophytum panoiflorum, Ehrenberg. 



See Marenzeller: Zool. Jalirb. i. (1886), p. 366, 1 fig.; and Pratt: Alcyonaria of the Maldives, 

 1903, p. 515, 4 figs. 



Locality. Wight Bank, Chagos ; Egmont. 



Previously recorded from Red Sea, New Zealand, Andamans, Tonga, Moluccas, 

 Punafuti, New Britain, Maldives. 



Genus SARCOPHYTUM. 



18. Sarcophytum reichenbachi, Schenk. (Plate 13, fig. 12.) 

 Por description see : — 



Schenk: Clavulariiden, Xeniiden u. Alcyoniiden von Ternate, Abhandl. Senckenberg. Ges. 1896, 

 p. 74, pi. 2. tig. 11, and pi. 4. figs. 34, 35, 36, & 37. 



Two specimens agree with Schenk's diagnosis of Sarcophytum reichenbachi, but show 

 certain variations in the size and form of the spicules, which it may be well to mention. 

 There are : — 



(1) Small clubs: -ISX-OS mm., -HX-OS mm. 



(2) Slender spindles with a few simple warts: '374 X "03 mm., •25X'03 mm. 



(3) Short, thick, zoned spindles with tuberculated warts : "187 X '09 mm., 



•221 X -102 mm. 



(4) Very numerous, stout, warty spindles with "waists," The warts here are 



large and spreading, with a minutely spiny surface. The dimensions of 

 the spindles are : -255 X "153 mm., -280 X "17 mm., •289X-1M mm. 

 The spicules tend to be smaller than those described by Schenk. He does not 

 mention the " waist " of the stout spindles, which is so striking in our specimens, nor 



