CABEREA 



369 



m.av 



m.av 



m.av 



A.C 



•4mm 



J 







B 



•2mm 



J 



D ■Imm 



Fig. 19. A. Caberea boryi (Aud.). 32.4.20.106. Great Barrier Reef Expedition, St. XII. Vibracular setae 

 cut short. B. C. boryi (Aud.). 1937.9.28.6. Ghardaqa, Red Sea. C, D. C. helicina sp.n. 35.3.8.1. 

 Port Phillip. C. Young colony with ancestrula. D. Part of the first zooecium from Fig. C more highly 

 magnified. 



Transverse bar underlying scutum shown by dotted line. a. ancestrula, cr. crenulated edge of crypto- 

 cyst, m.av. marginal avicularium, o. ovicell, v. vibraculum. 



