CORNUCOPINA 405 



fertile zooecia. A similar small specimen found among unnamed material from Chal- 

 lenger St. 149 (Kerguelen) has also been tentatively attributed to the variety. 



8. Cornucopina zelandica sp.n. Fig. 31 A-C. 

 Station distribution. New Zealand: St. 934. 



Geographical distribution. New Zealand (Terra Nova, Sts. TN 90, TN 144; Discovery). 

 Holotype. St. TN 144. 



Fig. 31. A-C. Cornucopina zelandica sp.n. St. TN 144, New Zealand. A. Frontal view. B. Basal avi- 

 cularium as seen in a side view of the branch. C. Oblique basal view. 



c. cryptocyst, op. operculum (open). 



Description. Zoarium bushy (type colony, 12 cm. high, 8 cm. broad) composed of 

 very delicate feathery branches. 



Rootlets forming a short, thick stalk. 



Zooecia without a digitiform process. 



Opesia short, broader than long, roughly triangular, proximal border straight, orifice 

 at apex of triangle, outer basal angle of triangle occupying the prominent outer distal 

 corner of zooecium. Inner basal angle with a curved cryptocyst (Fig. 31 A). 



Spines, six or seven, four on distal corner, two or three in transverse row on basal 

 surface. 



Fertile zooecia a little broader than non-fertile, with eight to ten spines more evenly 

 distributed in a transverse row (Fig. 31 C), recognizable by their shape, and by the 



D XXII 14 



