320 



DISCOVERY REPORTS 



this figure. (The data from horizontal surface hauls with the i m. net (N lOoH) have been published 

 in Marr, 1956, Fig. i.) The sizes of the symbols used in Fig. 6 to indicate the numbers per 20 min. 

 haul are the same for both species ; for the sake of clarity negative stations have been omitted. 

 The figure shows the great difference between the numbers of E. triacantha and those of E. superba; 



Fig. 6. The horizontal distribution of adolescent and adult E. triacantha taken in shallow oblique hauls with the I m. net 

 during the day and night compared with the distribution of E. superba over 20 mm. long from similar hauls. 



