34 AMPHIPODE — I'SEUDALIBROTES 



lyovenibcr: 50° N. M-" W.; 47" N. 41° W.; 40° N. 67° W. 

 December: 45° N. 53° W. 

 1899 Ju/ic: 67° N. 11° E.; 69° N. 13° W.: 71° N. 10° W. 

 July: 71° N. 10° W.; 71° N. 21° W.; 54° N. 45" W. 

 September: 69° N. 13° W.; 56° N. 23°— 24° W.; 53° N. 51° W. 

 October: 56° N. 30° W. to 54° N. 45° W. 

 November: 51° N. 28° W. 



Temperature: — O.s to 6.i (exceptionally 18). 



Salinity: 34. 15, mean of 8 obs., max. 34.88, min. 32.oi. 



Plankton-type. Nansen collected this species in the Polar 

 Basin, between 80° N. 134° E. and 84° N. 11° E., at 85° N. 76" E. 

 in the surface. It occurs along the coast of Norway, usually in deep 

 water, in the Skagerak and in the Murman Sea, S. and W. of Green- 

 land. — T. Ng. 



PSEUDALIBROTES LITTORALIS (Kroyer). 

 (Determination by G. 0. Sars.) 

 1899 August: 73° N. 24° W., rare. 



Temperature: 2.4. 



Salinity: 29.6?. - 



Plankton-type. Found off Finmarken, Spitzbergen and Franz 

 Josef Land, in the Kara Sea, Siberian polar Sea, off Greenland, Jan 

 Mayen (G. 0. Sars Crustacea of Norway 1890—95). — Ng. 



