Plate I. 



Fig. 



I. 

 2. 



3- 

 4- 

 5- 

 6. 



— 8, 9. 



— 10. 



— II. 



— 12. 



— 13. 14- 



— 15- 



— i6. 



— 17. i8. 



— 19- 



— 20. 



— 21 — 27. 



— 28. 



— 29. 



— 30. 



— 31- 



— 32, 33- 



— 34. 35- 



— 36, 37- 



Eloadis mazelii juv. -/^ a: tentacle, b: part of column. 



Halcampa? vegae Carlgr. Nat. size. 



Halcampa ardica Carlgr. not incrusted specimen from Treurenberg bay. ^/j. 



— — ■ — small specimen from Besimannaja bay. -/j. 

 Edwardsia (Edwardstoides) vitrca (Dan). Proximal part of the type-specimen. */j. 

 Adhelmis intestinalis (Fabr.) Nat. size. 



— - - ^/i- 



Paraedwardsia sarsii (Diib. & Kor.) = Edwardsia carnca of Appell5f from Herlofiord. ^I^. 

 Edwardsia finmarchica Carlgr. from Tromso (Kier) type-specimen a little magnified. 



— vitrea (Dan), from Wijde bay showing heteromorphosis. ^/j. 



— finmarchica Carlgr. (Goes & Malmgren leg.), ^/j. 

 Limnactinia laevis Carlgr. from Bohuslan. ^j^. 

 Paraedwardsia arcnaria Carlgr. from Skagerrak. ^j^. 



— — — proximal part seen from the proximal end. 'z^. 



Sidcractis glacialis Dan. from Sunde much magnified. 



— — tentacle from the type-specimen magnified. 

 Edwardsia tuberculata Diib. & Kor. from Bergen, ^/j. 



Peachia hastata Gosse. Series of larvae in different developmental stages, a : from the oral end 

 b : from the side «/i, in fig. 24 the distal end begins to get the form of an octaeder, in fig. 25 the 

 tentacles in beginning development (compare the text). 

 Peachia hastata Gosse from Bohuslan dredged from the clay. 'Z^. 



— — — from Bohuslan, oral disc and tentacles of the specimen reproduced in 



fig. 28. «/i- 



Peachia boekii Dan. & Koren. part of the type-specimen with two tentacles, the conchula 



and part of the siphonoglyphe. ^Z^. 



Haliadis arctica Carlgr. from Greenland. ^Zi- 



Milne-Edwardsia love 11 i Carlgr. from Vaderoarne ^Zi. i" the specimen reproduced in fig. 32 



part of the cuticle removed. 



Halcampoides -purpurea (Stud.) {abyssorum Dan.) small specimen, fig. 34 from the oral side, 



fig. 35 from the side. ^Zi- 



Isoedwardsia ingolfi Carlgr. Fig. 36 proximal end *Zi. fig- 37- ^/i- 



