Plate 39 



Fig. 1. Didymosella parvipora, new species (p. 327). 



The type specimen, • 20, incrusting a shell. The two small special 

 pores, t lie thick peristome, and the lateral avicularium are special 

 features. 



D. 5137. Jolo Light, Jolo. 

 2, 3. Didymosella costulata, new species (p. 328). 



2. Surface of unilamellar zoarium, X20, exhibiting the two special pores 



and the costulated tremocyst of the frontal. 

 D. 5162. Tinagta Island. 



3. Another unilamellar zoarium, X20, showing slightly different aspect. 



D. 5145. Jolo Light, Jolo. 

 4-6. Fenestrulina infundibulipora, new species (p. 329). 



1. Incrusting, ovicelled specimen, X20, covered by thin ectocysi and pig- 

 mented. 



5. Diatom (?) found in a cell, X10G. 



D. 5137. Jolo Light, Jolo. 



6. Ovicelled specimen, X 20. The aperture of the ovicells is very broad. 



D. 5478. Ta'cbuc Point, Leyte. 



7. Tnversiula inversa Waters, 1887 (p. 330). 

 [ncrusting zoarium, X20, with ordinary zooecia. 



D. 5151. Sirun Island. 

 8-ld. Smittina reticulata MacGillivray, L842 (p. 337). 



8. Much calcified incrusting specimen, > 20, showing embedded avicularia. 



!). Ovicelled zooecia, 20. 



D. 5151. Sirun Island. 

 10. Another incrusting zoarium, 20, with salienl median avicularia. 

 D. 5179. Romblon Light, Romblon. 

 (606) 



