Plate II. 



Fig. I. Stomphia coccinea (O. F. Miill.). Nat. size. 



2. Cribrina spetsbergensis Carlgr. from Behring Sound. Nat. size. 



3. Actinostola spetsbergensis Carlgr. (= sibirica Carlgr.). Nat. size. 



4. juv. 



5. Stomphia Polaris (Dan.). Nat. size. 



6. Anthosactis fan mayeni Dan. from Baffin bay. Longitudinal section of the animal. Nat. size. 

 7- Mouth and actinopharynx of the type-specimen. 



Stomphia coccinea (O. F. Mull.) pedal disc with conical off-shoot. 

 9. Siphonactinopsis laevis Carlgr. Nat. size. 



- 10. Actinostola groenlandica Carlgr. Nat. size. 



- n, 12. Hakampoides purpurea Stud. (= H. abyssorum Dan.). Fig. n. Mesentery seen from the side of 



the transverse muscles, fig. 12. Mesentery seen from the side of the longitudinal muscles. 

 13. Peachia hastata Gosse. Transverse section through part of the aboral prolongation of the sipho- 



noglyphe showing the strongly ciliated boundary tract between the peculiar prolongation of 

 the siphonoglyphe and the recurvated part (compare textfig. 132). 



- 14, 15. Halcampa arctica Carlgr. Longitudinal section of the ciliated and of the intermediate streaks 



(compare the text p. 122). 



