222 DISCOVERY REPORTS 



but this is not so marked as with the species of Euphausia. It is discussed and illustrated 

 on pp. 240 and 255. 



The depth distribution may be studied in the following tables. The numbers of 

 Thysanoessa macrura males and calyptopis stages were too small to be significant. 



Table XXXI 

 The depth distribution of Thysanoessa vicina, males, as shown by the N 70 V nets 



Table XXXII 



The depth distribution of Thysanoessa spp., females, as shown by the N 70 V nets 



Table XXXIII 

 The depth distribution of Thysanoessa cyrtopia as shown by the N 70 V nets 



