MEDUSAE, i. 



Fig. 90 r. Halopsis occllata A. Agassiz. Diagrams of the stomachs and the proximal parts of the radial canals of different 

 specimens, seen from the apical side. For further explanation, see the text, pp. 71 73. 



Depth 1853 m. Stat. 101. -- Young-fish trawl, 1000 m wire: i specimen. - - Ringtrawl, 200 m wire: i 

 specimen. 



b) - - Lat. 5633' N., Long. 93o' W., south-west of the Hebrides. August 5th 1910. Depth 1000 

 1360 m. Ringtrawl, 200 m wire. Stat. 98. -- i specimen. 



c) -- Lat. 56 1 5' N., Long. 828' W., between the Hebrides and the north coast of Ireland. Au- 

 giist 4th 1910. Depth 139 m. Ringtrawl, 50 m wire. Stat. 97. --2 specimens. 



d) -- Lat. 5oi3' N., Long. u23' W., south-west of Ireland. July 26th 1910. Depth 1565 m. 

 Ringtrawl, 1500 m wire. Stat. 94. i specimen. 



Remarks on the individuals. 1 



Loc. i. -- Specimen No. I (textfig. 90): Diameter about 30 mm, c?, 14 radial canals, regularly 

 arranged in 4 groups of 3-3-4-4 canals. -- Specimen No. II (textfig. 9 b}\ Diam. 35mm, $?, 17 radial 



1 The individuals from Loc. a, b, c, and d are mentioned in my paper on the Anthomedusse and Leptomedusa from 

 the "Michael Sars" North-Atlantic Expedition in 1910. 



