101 



all the specimens. The stalk is devoid of siphonozooids except at the junction 

 with the rachis. It is yellowish in appearance, and has a distinct sarcosome. 



The rachis is thin, and wedge-shaped, with a ridge. The autozooids appear to 

 be irregularly arranged in the older forms, but in the younger they arc bilateral. 

 The rac.his is covered with wart-like siphonozooidfl beneath the jiart liearing auto- 

 zooids, and on the upper part between the bases of the autozooids. The ventral 

 side of the rachis bears no autozooids, but on the dorsal surface there is little 

 space left exposed. The autozooids are 10 mm. in length, and the tentacles (} nun. 



There are a few warty spicules of the usual three-edged shape. 



Locality : Station 197 ; 9 34' 57" N., 75 36' 30" E. ; 406 fathoms. 



COMPARATIVE TABLE 



