ÖPVERSIGT AF K. VBTENSK.-AKAD. FÖRHANDLINGAR 1899, N:0 8. 805 



September. Very rare at Westmannaö. 

 October. Rare at the E^äröes. 

 November. Not rare at 45° N. 52" W. 

 December. From 45° N. 50° W. to 41° N. 66^ W. 



Chsetoceros debilis Cl. in 1898. 



Marcli. At 58° N. 6° E., 63" N. 18° W. and 40° N. 

 69° W. 



April. Abundant along the south coast of Iceland and 

 from 42° N. 47° W. to 40° N. 70° W. 



May. Abundant SW. of Greenland, 59° N. 49° W., and 

 along the south coast of Iceland. 



June. N. of Iceland. Abundantly S. of Iceland. — At 

 4r 39' N. 9' W., W. of Portugal. 



July. Common S. of Iceland and at the Orkneys. 



August. Abundant SW. and S. of Iceland. The Färöe 

 Channel. The Shetlands (rare). — W. of Scotland at 53° 31' 

 N. 5° 12' W. — E. of Greenland, 65° N. 35° 33' W. — W. o^ 

 Greenland, 69° N. 53° W. 



September. Common off south of Iceland. E. of Greenland, 

 65° N. 36° E. — W. of Greenland, 69° x\. 53° W. — The 

 English Channel, 50° N. 2° W. 



October. Rare off south of Iceland and of the Shetlands. 



November. Rare from the south of keland to the Färöes. 

 From 48° N. 49° W. to 45° N. 50° W. 



December. Iceland, rare. F^rom 45° N. 51° W. to 41° Q& W. 



Chsetoceros diadema Ehe. in 1898. 



March. Mouth of the English Channel, 48° N. 6° W. 

 Common from 41° N. 60° W. to 40° N. 70° W. 



April. W. and S. of Iceland, abundant. Very common 

 from 43° N. 50° W. to 40° N. 70° W. 



May. W. of Greenland from 59° N. 48° W. to 61° N. 54° W. 



Ju ne. W. of Greenland, sparingly from 63° N. 54° W. to 

 69° N. 54° W. 



