90 



MEDUSA. 1. 



4) — Veidileysafjord. June 26th 1902. Surface. "Diana", Ditlevsen. — 32 specimens. 



5) — Month of Hrafnsfjord. Jnne 27th 1902. Vertical haul. "Diana", Ditlevsen. — 10 specimens. 



6) — Dyrefjord. Jnne 3rd and 6th 1895. "Ingolf". — 5 specimens. 



Faeroe Islands: 



7) — Kvannesund. May 26th 1902. Surface. "Diana", Ditlevsen. — 37 specimens. 



8) — Sorvaag. May 13th 1902. Surface. "Diana", Ditlevsen. — i specimen. 



9) — Trangisvaag. May 3rd 1895. "Ingolf". — 3 specimens. 



British Isles: 



10) — Lat. 59°oo' N., Long. 3°34' W., at the Orkney Islands. May 21st 1908. Depth 66 m. Surface. 

 "Thor" stat. 2 (08). — 2 specimens. 



11) — Lat. 57°36' N., Long. 7°05' W., Little Minch, west of Scotland. May 27th 1908. Depth 90 m. 

 Young-fish trawl, 65 m wire. "Thor" stat. 8 (08). — 12 specimens. 



The medusa Obelin nigra is previoush- known from the British Isles (Plymouth, Valencia Har- 

 bour, Port Erin, Firth of Clyde, according to Browne 1900, p. 721 and 1905a, p. 770; M. &. C. Delap 

 1905, p. 12), and from different localities at the Norwegian coast (Browne 1903, p. 16; Broch 1905, 

 p. 7). Moreover it is very common in the Danish waters. 



Obelia spp. 



Material: 



Greenland. Bergendal. — 2 specimens. 



Iceland: 



Hesteyrifjord. June 25th 1902. Surface. "Diana", Ditlevsen. — 2 specimens. 

 Skutilsfjord. June 5th 1892. Lundbeck. — 4 specimens. 



Dyrefjord. May 30th— June 3rd 1895. "Ingolf. — Altogether 24 specimens, partly treated with 

 osmic acid; some of these specimens probably belong to Obelia nigra. 



Danmark Strait, near Snefjeldsjokel on Iceland. June nth 1895. "Ingolf". — i specimen. 



Agastra mira Hartlaub. 



Mayer 1910. Meduste of the World, p. 234. 



Bell somewhat higher than wide, i mm high; gelatinous substance quite thick, with a deep, funnel-shaped depression 

 at tlie apex. No stomach. 4 narrow radial canals. Gonads irregularly lobated, sack-shaped evaginations on the middle part of 

 the radial canals. The eggs become mature in the entoderm. No tentacles, but 4 minute, pigmented bulbs. Colour of bulbs, 

 gonads, and canals dark-brown. — Abortive medusa of the hydroid Campanularia Integra Mc Gillivray (syn. C calicidata Hincks). 



The medusa has been found in Valencia Harbour, Ireland, and at Heligoland. 



Eucope globosa (Forbes). 

 Mayer 1910, Medusse of the World, p. 235. 



Bell thick-walled, sUghtly higher than .1 hemisphere, about 13 mm wide. Manubrium short, whit 4 simple, recurved 

 lips. 4 short, linear gonads, extending from the middle point of the 4 slender radial canals outwards towards the circular 



