'■irJ. I1I\()IT.A.GELLAT.I-: rHALA( ;i!(> VI A 



1899 Ai>ri/: 28 N. 75 W. 

 JiiNr: 9 N. 2;')' W. 



Temperature: 21. i, mean of 16 obs., max. 28. min. 21, i. 

 Salinity: 36.^7, mean of 10 obs., max. 'M.r.i, min. H1-.xh. 

 Plankton-type: J>. 



PHALACROMA JOURDANI (Gourret.. 

 'S<.TiLrT; D. Peridineen d. Plankton-exp. PI. IV fi;;. 20. j 



1898 June: 2V N. 58" W. 



Aiigiif^C: Uf N. (57^ W. to 44^ N. 41° W, 



Seprciiibcr: W N. 18- W.; 47-' K. 9- W'.; 41° X. (io^ \V. 



December: 'IK^ N. 52° W, 



1899 Januanj: 34° N. 12^- W. 



Man-],: 35° N. 16° \V.; 21° N. 43" W. 



Temperature: 25.6, mean of 8 obs., max. 28, min. loo. 

 Salinity: 35.77, mean of 7 obs., max. 37. ^x, min. 34.33, 

 Plankton-type. Occurs in the Mediterrenoan. - .S V J> V 



PHALACROMA MINUTUM Cl. 



(K. Vet. Akad. Handl. Vol. XXXIV n. 1 PI. VIII fig. 10, ll.i 



1899 July: 41° N. 57= W. 

 August: 41° N. 62= W. 



Temperature: 22 to 24 i. 

 Salinity: 33 ss to 36. is. 

 Plankton-type: D ?. 



PHALACROMA OPERCULATUM Stein/ 

 (D. Org. a, Infusionsth. PI. XVIII fig. 7—10. 



1897 December and 



1898 January: 15° S. 37^ W.; 4 N. 29= W.; 12^ N. 50 W.; Ca- 



ribbean Sea; 23=- .25^ N. 51°— 50° W.; 19 N. 45= W to 

 the Azores. 



' Murray's & Whitting's data used. 



