PLATE XVI 



Fig. i. Cormidium II of a left-handed specimen from Lanzarote, no. 2, 

 float-length iocm., seen from the oral end, an oro-lateral view, 

 showing: basal lee-branches B, C and D of Text-fig. 17 at top right 

 after removal of lee-branch A (see PL XVII, fig. 1). x i-i. 



Fig. 2. Same specimen, cormidium II, aboro-lateral view. The aboral 

 branch is turned up (top right) and its pedicel lies next to the 

 V-shaped cut. Also shown are the large tentacles of groups 1-4 

 (bottom right to centre left) ; lee-branches top left ; terminal lateral 

 groups curling round again to the right to lie under the aboral 

 branch as viewed. Natural size. 



Fig. 3. Same specimen, cormidium II, from the windward side and a 

 little aborally. Groups 5-12 have been cut off (see bristle). Shown 

 are : groups 1-4 and aboral branch (to left of bristle) ; gastrozooid of 

 group 1 lying on top of the ampulla of the main tentacle; the 

 gonodendron is represented by a scar found to the left of the stalk 

 of the tentacle, but not visible in the photograph ; group 4 (lower 

 on black background) with stout peduncle; aboral branch (black 

 background) above group 4. x 1-3. 



Fig. 4. Same specimen, aboro-lateral view. The first seven groups are 

 numbered 1-7. Br = aboral branch, x 2-2. 



