Plate 30 



Figs. 1 ."). Haswellia longicollis, new species (p. 282). 



1. Zoarium, ■ 20, with long peristomes. 



2. Ovicelled specimen, -20, showing the spiramen much removed from 



the peristomice. 



3. Longitudinal thin section, X25, illustrating position of spiramen. 

 1. Transverse thin section, ■ 25, between two verticells. 



5. Two fragments, natural size and <3. 



D. 5151. Sirun Island. 

 ii '.>. Haswellia australiensis Haswell, lsso ip. 2S1). 

 (i. Ovicelled fragments, natural size and X6. 



7. Portion of branch, X20, showing spiramen close to the peristomice. 

 8 Nonovicelled zooeciuin, 20. 

 9. Transverse thin section, • 25, through the middle of a verticell; 



D. 5151. Sirun Island. 



(597) 



