DISTRIBUTION OF THE EUPHAUSIACEA IN THE BENGUELA CURRENT 



343 



Euphausia hanseni Zimmer 

 Euphausia hanseni Zimmer, 191 5, p. 180. 

 Four adult females of this species were taken, one from station WS 978 and three from station 

 WS 987. All were taken between 250 m. and 100 m. 



Euphausia similis var. armata Hansen 

 Euphausia similis var. armata Hansen, 191 1, p. 24; E. similis var. lobata Zimmer, 1914, p. 425. 

 This species occurred at station WS 997. One adult male was taken between 100 m. and 50 m. 

 and one female between 1000 m. and 750 m. 



Nematoscelis megalops G. O. Sars 

 Nematoscelis megalops G. O. Sars, 1885, p. 127. 



Interesting indications of diurnal vertical migration are evident in these data. Station WS 977 

 is a night station (21.03-03.45 hr.) and the larvae are concentrated in the upper 50 m. At station 

 WS 978 (10.00-13.04 hr.) a premature closing of the net at 350 m. and subsequent repetition of the 

 500-250-m. haul reveals a concentration of larvae between 250 m. and 350 m. This, in conjunction 



