Plate lt> 



Fig. l. SiphonoporeUa ovalis, new species (p. l 19). 



The type specimen, • 20, incrusting a Nullipore. 

 D. 5151. Sirun [sland. 

 2, 3. Labioporella crenulata Levinsen, L909 (p. L48). 



2. Zoarium, ■ 20, incrusting a shell. 



I). 51 17. Sulade [sland. 



3. Another example, • 20, showing the crenulations of the mural rim. 



I). 5162. Tinagta Island. 

 1. 5. Thalamoporella hamata Manner, 1926 (p. 151). 



4. Zoarium, ■ 20, incrusting an A deonellopsis. 



5. Structure of the cryptocyst, <85. 



D. 5151. Sinn. Island. 

 i). Thalamoporella granulala Levinsen, 1909 ip. 150). 

 The incrusl ing zoarium, '■ 20. 



D. 517 ( .t. Etomblon Light, Romblon. 

 7, S. Thalamoporella linearis, new species (p. 152). 



7. The linear branching zoarium, X20, with zooecia above preserving their 



ectocj si . 



8. Several zooecia, <20, including the ancestrula. 



I). 5311. China Sea, vicinity of Hong Kong. 



(583) 



