CO 



Fig. 23. A-D. Caberea darwinii Busk. A. Young colony with ancestrula from St. 1563, Marion Island. 

 Lateral view. B, C. Young colony from St. TN 339, Ross Sea, frontal and basal views. The ancestrula is 

 broken (dotted line) and the colony is flattened (notice the angle between the ancestrula and zooecia in 

 Fig. A). D. Zooecium from a specimen of the minima type, from St. 1321, Straits of Magellan. 

 E. C. glabra MacGillivray. 99 . 5 . 1 . 378, Port Phillip Heads. 



b. bud of second zooecium, co. condyle-like process, r.av. rudiment of frontal avicularium, sc. scutum, 

 v . vibraculum. 



