l»I\OFL.\riKLL.\T K — OXYTOXCM 253 



OXYTOXUM CONSTRICTUM ,Stkix).' 



{Pi/rf/iiliiiiii ciirisir. SiKiN. D. Org. il. Infu'^. I'l. V. fi{(. 15—18.; 



1898 Janiiari/: )\& N. 80" W. 



Frhrna/y: 31- X. 31- W. to 27' N. ri W. 



Mar<-Jr.m' \. 41 \V.; iV N. 21 W . 



A/>/-i7: 29° N. 38 AV. to 22- N. 17 \V.: 19 N. 52^ W. to 1(5 



N. 50' A\'. 

 Mnif. 44' N. 20 \V. to 33- N. 42 W. 



1899 .//'///; 28- N. 40' W., very rare. 



Temperature: 21. >, mean of 22 ohs., max. 27.-, luin. 12.1- 

 (Murray's and W hitting's data). 



Salinity: ^57. a. (one obs. only . 



Plankton-type. Xolcd from the Mediterranean. — J). 



OXYTOXUM CRIBROSUM Stkix. 



t). Org. d. Infus. \'\. V lig. 4., 



1898 A/if/i'st: .\/ores, very rare. 



Temperature: 21.i'. 

 Salinity: .3().i.-,. 

 Plankton-type: If. ':' 



/OXYTOXUM DIPLOCONUS Stiix.- 

 (Sr.niir: D. I'oricUncen d. Planktoiiexi). I'l. .XVIi lig. 54.) 



1898 Frhrifu/-,/. 27—28' N. 41'— 39' W. 

 Marrhi'M—'^Q" N. 39^—32° W. 

 April: 10' N. 53=^ W 

 May: 45' N. 43^ W. 

 September: 47" N. 9 \V. 

 October: or X. 27' W. and (il X. li \V. 

 Xoreinhr/-: 'Mr X. 11 W. and 49' N. 12 W . 

 Derrinhrr: 50' X. 9" W. 



' Murray's v^v: Wiiiltings data used. 



- Ostenffld's and ^turrav's i^ ^Vhilling's data usod. 



