■96 CRASPEDOTA — AGLANTHA, CODONIUM 



Cpaspedota. 



AGLANTHA DIGITALE (0. F. Mull.)' 

 (Hkl. Syst. d. Medusen pag. 272, PI. XVI, fig. 5, 6.) 



1898 May: bT N. 25° W. to 60° N. 7° W., rare to common. 

 June: 60° N. 8°-9° W.; 60° N. W W. 



July: 78° N. 3° W. (deep sea haul). 



August: 65° N. 33° W., not rare; 62° N. 18° W., rare. 



1899 June: 64° N. 0° E. (deep sea haul); 67° N. 3° W. (deep sea 



haul). 

 July: 74° N. 18° W. (deep sea haul). 

 September: 6P N. 1° E., not rare; 63° N. 1° E. rare; 67° N. 



3° W. (deep sea haul). 



Temperature: 9.7, mean of 7 obs. 



Salinity: 35.43, mean of 7 obs., max. 35.57, min. 35.24. 



Plankton-type. This species seems to occur in the Northern 

 Pacific [A. Kamtschatica Brandt). It is noted from Baffin's Bay, 

 Davis's Strait, Newfoundland to about 42° N., from the Shetlands 

 and Norway. — T. 



CODONIUM PRINCEPS Hkl. 



(System de Medusen I p. 13 PI. I fig. 1, 2, 1879.) 



1898 August: 78°— 80° N. 27°— 11° E. (Aurivillius). 



1899 June: 64° N. 0° E. (fide J. Arwidsson). 

 September: 74° N. 18° E. 



Temperature: 1 to 3.5. 

 Salinity: 32.96 to 34.53. 

 Plankton-type. — 7^. 



Ostenfeld's data used. 



