862 P. T, CLEVE, ON THE ORIGIN OP »GULF-STREAM WATER». 



Centropages Typicus Kröyer. 



This species is also of tbe east Atlantic, but can be traced 

 farther to the south and the west tlian Acartia Clausii. 



1898 February. West of Africa, 6° S. 12° E. 



March. West of Africa, from 21° N. 18° W. to 27° N. 

 16° W. From 42° N. 42° W. to 40° N. 64° W. 



April. At 41° N. 19° W. and in the English Channel, 

 50° N. 2° 40' W. 



May. The space between 40° N. 16° W., Cape Finisterre, 

 the English Channel and 48° N. 26° W. — From 41° N. 54° 

 W. to 40° N. 65° W. 



June. The space between 44° N. 16° W., 48° N. 17° W. 

 and the English Channel. At 62° N. 2° 30' E. 



July. Along 49° N. frora 22° to 11° W. A t 59° N. 2° 

 E. — From 40° N. 69° W. to 38° N. 74° W. 



August. Along 48° N. from 20° to 11° W. At 56° N. 

 20° W. From 59° N. 2° W. to 60° N. 3° E. — From 41° N. 

 72° W. to 38° N. 73° W. 



September. The Azores. — At 48° N. 24° W. The 

 English Channel. North of Iceland. W. of the Shetlands. 



c tob er. A t 50° N. 10° W. and 38° N. 73° 40' W. 



November. In the English Channel.. From 48° N. 41° 

 W. to 41° N. 69° W. 



December. At 44° N. 57° W. 



In a sample, collected in the Benguela current by the Dutch 

 Fregatte Atjeh, one specimen of a female was found, but as 1 

 had no more specimens for examination and the female of C. 

 typicus is very similar to C. chierchice I dare not consider the 

 determination as perfectly trustworthy. 



Centropages typicus has been found in the Gulf of Guinea, 

 along the west coast of Africa, at the Azores and follows Acar- 

 tia Clausii towards the north, arrives in September off the north 

 of Iceland, passes the Färöe Channel towards the Norwegian coast 

 and into the North Sea. It occurs also, as it seems, during the 



