Plate 64 



Fig. 1 . Chaperia pyriformis, new species (p. 471 ) . 



The unilamellar zoarium, X20, showing pyriform zooecia with similarly 

 shaped apertures. 



D. 5577. Mount Dromedario. 

 2-4. Chaperia judex Kirkpatrick, 1888 (p. 469). 



2. Zooecia, X20, preserving their large articulated spines and their oper- 



culum. 



D. 5251. Gulf of Davao. 



3. Interior of a zooecium, X20. The two trabeculae are visible. 



4. Ancestrula surrounded by the six ancestrular zooecia, X20. 



D. 5137. Jolo Light, Jolo. 

 5-9. Chaperia transversalis, new species (p. 473). 



5. The unilamellar zoarium, X20. The zooecia are lighted from the base 



to show the different aspects. The false cardelles are the extremities of 

 the horseshoe-shaped armature. 

 D. 5574. Simaluc Island. 



6. Zooecia, X20. The interior horseshoe-shaped armature for muscular 



insertion is visible. 



D. 5162. Tinagta Island. 



7. Specimen, X20, in which several of the cells are regenerated (double 



peristome) . 



D. 4807. Cape Tsiuka, Sea of Japan. 



8. Portion of another example, X20. 



9. Inner side, X20. The basal tuberosities are very irregular. 



D. 5147. Sulade Island. 

 10. Flabellopora pisiformis, new species (p. 509). 

 The small, thick zoarium, X20. 

 D. 5574. Simaluc Island. 



(631) 



