Pl. II. 



Figs. 6 — 7. Developmenlal stages of Raja radiata. 



Fig. 6. Egg-eapsule with embryo from Stjørdalsfjord, 18 /2 1907. 



Ventral view. Tolal length of the embryo abt. 103 mm. 



Distance from 2. dorsal fin to the point of the tail 17 



mm. Description on p. 31. 

 7. Embryo from the collection of the late curator V. Storm. 



Total length 102 mm. Distance from 2. dorsal fin to 



point of the tail 17 mm. 

 Figs. 8 — 10. Developmenlal stages of Bothus ma.vimus. 

 Fig. 8. Planctonic young from Trondhjemsfjord, 3 Vt 1911. To- 

 tal length 13,5 mm. Description on p. 16. 

 9. Planctonic young from the same place at the same 



time with a total length of 22 mm. Description on p. 16. 

 10. Young specimen tåken in an eel seine in Aavikfjord 



(branch of the Trondhjem fjord) on the 15 /7 1913. Total 



length 29 mm. Description on p. 17. 



