Plate 44 



Figs. 1, 2. Tubucellaria cereoides gracilis, new variety (p. 355). 



1. Segment with elongated zooecia, X20, showing a basis ramac. 



2. A similar segment, X20, but with broad zooecia. 



D. 5151. Sirun Island. 

 3, 4. Tubucellaria f naif or mis D'Orbigny, 1848 (p. 357). 



3. Segment with a very salient peristome, X 20. 



4. Base of a segment, X20. 



D. 5147. Sulade Island. 

 5-9. T ubucellaria exilis, new species (p. 358). 



5. Segments of the jointed zoarinm, natural size. 



6. Specimen with radicells, X20, and showing the mode of articu- 



lation of the segments. 

 7, 8. Two aspects of the segments, X20. 

 D. 5151. Sirun Island. 

 9. Specimen, X20, bearing a basis ramae. 

 D. 5147. Sulade Island. 

 10-13. Tubucellaria filiformis, new species (p. 359). 



10. The threadlike segments, natural size. 



11. Segment, X20, showing the chitinous joint on the left and base of a 



new segment with its basis ramae on the right. 



12. Another aspect of a segment, X20. 



13. View, X20, illustrating basis ramae. 



D. 5151. Sirun Island. 



(611) 



