92 



bearing a liydrotheca, the branchlets regularly alternate. 

 Hydrothecae deep, bowl-shaped, long axis parallel to the 

 branchlet, with wavy margin, high in front and low behind. 

 Nematophores slender, 1 pair above and behind the bydro- 

 theca, and a third directly below them on the median line; 

 on the axis there are 2, opposite each other, at the base 

 of the branchlet, and an other one on the opposite side. 



Fig. 59. Plumularia Habereri Stechow. 

 Kolonie in halber nat. Größe, 

 von einem Schwamm überzogen. 

 (I. 1892 b Fig. 8.) 



Fig. 60. Plumularia Habereri Stechow. 



Stammstück mit cf Gonotheken. 



(I. 1892 b Fig. 9.) 



Gonosome. Gonotheca bag-shaped, broad above and narrow below, at the base of 

 a branchlet (male). 



Colour. Yellowish brown. 



Locality. Wagumura (Shima); Shishigahana and Misaki, Sagami Sea. 



Date. Gonothecae found in August. 



This splendid species is also found in Misaki, though as yet undescribed. A .species 

 of sponge is always found attached to the stem; only a sniall portion of the colony is 

 represented in the figure." (Inaba 1892b c.) 



