1903J Keport on some Medusae from Norway and Spitzbergen. 23 



Aglantha digitalis inhabits the northern part of the North At- 

 lantic and has been recorded from Greenland, Norway, Faeroe 

 Channel (in the cold water zone, 200—530 fms. Fowler. 1899) 

 and in the Atlantic Ocean by the "National" Plankton-Expedition 

 (Maas 1893). Up to the present it has not been found on the British 

 coasts. 



Aglantha rosea (Fokbes). 



Circe rosea, Forbes. 1848, p. 34, pl. I. 



Aglantha rosea, Browne, 1898, p. 833, pl. XLIX. 



Byfjord. 0—200 m. 20. 5. 1898. 

 An early stage. Umbrella 2V2 mm. in length and 1 Z U mm. 

 in width. 



Herløfjord. 0—400 m. 6. 1. 1899. One specimen. 

 Umbrella 6 mm. in length. Gonads visible. 



Herløfjord. 0—150 m. 7. 12. 1900. Two specimens. 

 Early stages. Velum very broad, with a tube-like orifice. 

 Perhaps early stages of Aglantha digitalis. 



Skjerstadfjord. — 330 m. 2. 4. 1900. One speciman. 

 Umbrella 12 mm. in length and 8 mm. in width. Gonads abont 

 2 mm. in length. Three sense organs seen in adjacent octants. 

 Skjerstadfjord. — 420 m. 2. 4. 1900. One specimen. 

 Umbrella 7 mm. in length and 5 mm. in width. Gonads iy 2 

 mm. in length. 



Off Herlø. — 160 m. 28. 3. 1901. 

 An early stage, about 1 mm. in length. 



Herløfjord. 0—50 m. 6. 1. 1899. One specimen. 

 Umbrella 5 mm. in length and 3 mm. in width. Gonads just 

 visible. 



Puddefjord. Surface. 25. 3. 1901. 

 A very early stage. Umbrella l 1 /? mm. in length. No gonads 

 present. 



Off Marstenen. 0—100 m. 13. 6. 1900. One specimen. 

 Umbrella 5 mm. in length and 3 Va mm. in width. Gonads 

 just beginning to develop. Manubrium about two-thirds the length 

 of umbrella- cavity. 



Osund. Surface. 12. 4. 1901. Two specimens. 

 Umbrella 3 mm. in length. Gonads just visible. 



