1903] Report on some Medusae from Norway and Spitzbergen. \\ 



Hartlaub (1903) has also found at Roscoff in Franco another 

 free-swimming hydroid, to which he has given the name Margelopsis 

 stylostoma. A medusa with a free-swimming hydroid should have 

 a wide range of distribution. hut ap to the present there is no 

 record of a Margelopsis having been tåken in British soas. 



Euphysa aurata Fobbes, 

 Euphysa av/rata. Fobbes, 1848. p. 73. pl. XIII. 



Korsfjord. 100—200 m. 29. 9. 1899. 



An adult specimen. Umbrella 4 mm. in length aud 3 mm. in width. 

 Byfjord. 100 — 200 m. 6. 11. 1900. 



A speéimen with gonads not quite ripe. Umbrella 3 Va mm. in 

 length and 2 1 2 mm. in width. 



This species is often tåken on the British Coasts, where its 

 distribution extends from the Seilly Isles to the Shetlands. 



Adult specimens have been tåken in Valencia Harbour on the 

 West coast of Ireland during May. At Millport in the Firtli of 

 Clyde adults are common in the Autumn. 



Tiara pileata (Fobskål). 

 Tiara pileata, Haeckel, 1879, p. 58, Taf. Ul. fig. 6 — 7. 



Oceania ampuUacta, Sårs. 1835. p. 22. pl. IV. fig. 8. 

 Medusa pileata, Forskal. 1775. 



Puddel". jord. Surface. 12. 11. 1898. Six specimens. 



a) Umbrella 7 mm. in Length and 6 mm. in width, with a very 

 small, short cone-shaped summit. Twelve tentacles and 1 — 3 

 bulbs between every two tentacles. Gonads just beginning to 

 develop upon the stomach. 



bi Umbrella 10 mm. in length and 6 mm. in width, with a narrow 

 cone-shaped summit. Thirteen tentacles and 1- 3 bulbs between 

 every two tentacles. Gonads developinu' upon the stomach. 



e) Umbrella about 10 mm. in length and 7 mm. in width, with 

 a large globular mas- of jelly on the summit, about 5 mm. 

 in diameter. Ten tentacles and 1 — 3 bulb-. Gonads arranged 

 in eight, adradial. longitudinal bands upon the stomach, and 

 transversely folded on the outer edge. 



d) Umbrella 10 mm. in length and 7 mm. in width, with a small 

 globular mass of jelly on the summit. Thirteen tentacles and 

 1 — 3 bulb-. Gonads arranged in eight adradial bands, 



