240 DIXOFLAGELLAT.I'-. — DLXOPHYSIS 



41° N. 56^ W.; area between CO' N. 10' W., 59' N. 1(5- W. 



and 61= N. 19° W. 

 June: area between the Canaries, Portugal and Cape Finisterre; 



60° N. 4' W.; 50° N. 12° W.; 42° N. 50° W.; 33° N. 48° W. 

 Jidy: area between 34° N. 33° W., 49° N. 22° W. and 44° N. 



39° W.; 40° N. 67° W. to 41° N. 58° W.; 58° N. 27° W.: 



63° N. 8° W. 

 August: area between the Azores. Now York and 49° N. 23° 



W.; Faroes. 

 September: Azores; 47° N. 33° W. 

 October: 41° N. 59= W. 

 November: Rio Janeiro; 40° N. 67 W., 50' N. 30' W.; Azores: 



Madeira. 

 December: Azores. 

 1899 Jamiarij: Madeira; 48° N. 39' W.; 41' N. 69' W. 

 March: 36° N. 16° W.; Azores. 

 April: 44° N. 15° W. 

 Maij: 50° N. 33°— 39° W.; 35° N. 75° \V. 

 July: 38° N. 39° W. to 48° N. 23° W., not rare; 53° N. 42° 



W., common. 

 September: 55° N. 44° W. to 53° N. 51° W., rare. 

 October: 54° N. 45° W., not rare. 

 November: 51° N. 28° W. to 52° N. 48° W., rare. 



Temperature: 18.o, mean of 100 obs., max. 27, i, min. 6. 



Salinity: 35..^), mean of 77 obs., max. 36.5i, min. 31. oi. 



Plankton-type. This species has been found in the Mediter- 

 ranean, Indian and Pacific. It occurs both in the western and 

 eastern Atlantic. In the irest it was found rarely at Rio Janeiro, 

 sparingly in the North Equatorial Current, Caribbean Sea and Florida 

 Current, reached in July the latitude of New York and approched 

 the Newfoundland Banks. Rarely seen in the Sargasso Sea. In the 

 east it occurs along the African coast in the Clape Verde region and 

 round the Azores, where it is stationary during the whole year. In 

 April it spreads towards the English Channel and to the South of 

 the Newfoundland Ranks. In May and June it had advanced to the 

 Fiiroe Channel. In July and August in reached its maximum and 

 was found across the whole Atlantic betw^een 40° — 45° N., later it 

 became more scarce. — .S. (D.) 



