PLATE XI 



Fig. I . Umbellula hiixleyi KoUiker. Two specimens from off Bissagos I. 

 (Port Guiana), 600 m. (natural size). («) the smaller specimen, 

 autozooids not ripe, devoid of eggs; {b) the larger specimen, 

 autozooids filled with eggs. 



Fig. 2. Umbellula spicata Kukenthal. The polyp tassel of the specimen 

 from 13° N, 76° E, 600-700 fthms (natural size). The basal parts 

 of the autozooids are crammed with eggs. 



Fig. 3. UmheUula carpenteri KoUiker 1880, specimen A. Cluster in 

 ventral view ( x 2). The budding fifth autozooid is distinctly seen 

 in the middle below the acute top of the rachis. The specimen is 

 a juvenile stage of Umbellula lindahlia. 



