in NOFI.AdKLLAT.I-.^OXYTOXLM 25;") 



Sc/ilr/iilx'/-: \~ X. '• W- 

 ISll'.l Aj)ril: il N. 17 W. lo it) N. K! W. 

 Jiitii-: 20 S. 1 K. to li^ S. 1) W. 

 ./,//,/: If) X. 2i)^ W.; 43-^ N. Hf) \V.; rS X. 2:J W. 



Temperature: Js.t. mean of .'51 ()l)s., max. 2().k miii. 1<».^. 



Salinity: .">."). i;i*, mean of 2() obs., max. 8()..;s. miii. ;»2.!m!. 



Plankton-type. This spocies occur.s in tlie Medilcrranean, I'a- 

 rilic and Indian Ocean. To juds^e from my own ol)stei'vation>, it i.^ 

 a typical Styli-plankton-form, bnt MritR.ws and Whittixcs data 

 point more to the conclnsion that it belongs to the Desmo-i)lankton. 

 II occnrs in the Atlantic at least from 20' S., but scarcely passes 

 hcvond 50° N. — S. (I). ':>.) 



OXYTOXUM TESSELATUM (Stkix).' 



iSciiCtt: 1). j'eridinoeii cl. I'lanklon exp. I'l. XVIi lig. 52.) 



1SU7 Srpu'iithrr: -Mf N. 3r W. 



October: 28'— 81" N. 45^—42- W. 

 Xoveiiihr/-: 2i-' N. 45 AV. 

 Ihu-rnihrr: 15°— 1(P N. 78'— 77° \V. 



1898 Jannan/: 88° X. 25° W. to 32° N. 84' W. 



Fcbrnan/: 27°— 25 N. 41°— 44^ W. and 21 -l'.» X. 50°- 



52^ W. 

 Marrh: 29^—31° N. 45°-42° W. and 84°— 39° X. 39°— 82' W. 

 Adfjnsi: 19° X. 20° W. 



1899 Marrh: 46° X. 11 W. 

 .////;/: i8 X. 25 \V. 



Temperature: 15..-, to 27. io (exceptionally 12). 



Salinity: ;'5.i7 to 85. ti. 



Plankton-type. Occnrs in the Medilei ranean and Indian Ocean. 



Murray's iV W'liilliiigs data used. 



