32 SCHIZOPODA. — THYSAXOESSA, THYSANOPODA. 



1899 March: 66^ N. 22° W. 

 May: 67° N. 16° W. 

 June: 64° N. 0° E. and 67° N. 3° W., deep sea hauls, from 



200 metres. 

 July: 53° N. 42° W. 

 August: 56° N. 23° W.; 52° N. 53° W. 

 September: 67° N. 3° W. (haul from 500 metres); 62° N. 1°E. 



(hauls from 50 and 25 metres); 56° N. 24° W.; 53° N. 51° W. 

 October: area between 56° N. 23° W., 51° N. 34° W. and 



54° N. 45° W. 

 November: 51° N. 34° W. 



Temperature: 6.o, mean of 5 obs , max. IO.2, min. O.s. 

 Salinity: 34. si, mean of 5 obs., max. 35.46, min. 34.24. 

 Plankton-type. Found off Finmark and Greenland (G. 0. 



Sars). Nansen collected it in the Polar Basin, 80°— 85° N. 134° 

 to 11° E. — T. 



THYSANOPODA TRICUSPID AT A M. Edw. 



(Determination by G. 0. Sars ) 



1897 December: 12° N. 50° W. 



1898 March: 3° 30' N. 16° W. 



Temperature: 26.5 and 28.2. 

 Salinity: 34. S6 (one obs.). 



Plankton-type. Found in the tropical Atlantic and the Paci- 

 fic (G. 0. Sars) — Nt? D? 



