800 P. T. CLEVE, SOME ATLANTIC PLANKTON-ORGANISMS. 



October. Along the south coast of Iceland to tlie Färöes 

 and 61° N. 5° W. From 58° N. 32° W. to 57° N. 42° W. to 

 55° N. 39° W. and to 54° N. 45° W. — At 41° N. 67° W. 



November. South Iceland to the Färöes. Färöe Channel. 

 At 51° N. 20° W. Between 53° N 31° W., 56° N. 36° W., 53° 

 N. 59° W. and 46° N. 46° W. — From 42° N. 64^ W. to 41° 

 N. 69° W. 



December. The Färöes. From 48^ N. 40^ W. to 41° N 6Q° W. 



Plectophora arachnoides Clap. & Lachm. in 1898. 



March. At 40° N. 72° W. 



April. At 43° N. 50° W. 



May. W. of Norway 62° N. 2° E. 



June. Iceland. N. of Norway at 71° N. 22° E. 



July. NW. of the Shetlands. 



August. The Färöes. W. of Spitzbergen, 76°— 78° N. 12°— 8° E. 



September. At 64° N. 31° W. The Färöes. S. of the 

 Shetlands. Between Spitzbergen and Norway. 



October. S.of Iceland. The Färöes. NW. of Rockall (59° N. 

 16° W.). At 57° N. 27° W., 58° N. 32° W. and 56° N. 31° W. 



November. At 56° N. 36° W., 53° N. 32° W. and 52° N. 

 38° W. — 45° N. 52° W. — 42° N. 64° W. 



December. Along the American coast, from 47° N. 45° 

 W. to 42° N. 65° W. 



Ceratium tripos var. longipes Bail in 1898. 



March. W. of Norway, at 58° N. 6° E. — at 40° N. 71° W. 



April. SW. and S. of Iceland. The Färöes. Färöe Channel. 

 At 59° N. 28° W. 



May. S. of Iceland. The Färöes. The Orkneys. Along 

 the coast of Norway, from 58^ to 6ß' N. — At 40° N. 68° W. 



June. S. of Iceland to the Färöes and Scotland. Along 

 the coast of Norway from 67° to 72° N. — SE. of Spitzbergen. 



July. N. and S. of Iceland to the Färöes. Scotland to 59° 

 N. 1°43' E. — SW. of Cape Farewell. — At 40° N. 69° W. 



