126 CILIATA — UNDELLA 



Temperature: 18. is, mean of 13 obs., max. 21.5, min. 16.4. 

 Salinity: 86.4,!, mean of 7 obs., max. 36.94, min. 36.09. 

 Plankton-type. Tiiis species occurs in tlie area between the 

 Canaries, the Azores and Gibraltar as well as in the Mediterranean. 



— S. 



UNDELLA PARADOXA Cl. 



(Ofvers. Kongl. Vetensk. Akad. Forh. 1899, n. 10, pag. 974). 



1898 February: 34° N. 73° W. 



1899 January: 33° N. 15° W. 

 Temperature: 18.o to 20. 

 Salinity: 36.34. 

 Plankton-type. D. or S. 



UNDELLA (?) URCEOLATA (Ostf.) 

 (Tintinnus arc. Ostenf. Zool. Anzeiger, Vol. XXII, n. 601 1899, pag. 487). 



1898 March: 45° N. 15° W. 

 October: 57° N. 27° W. 



1899 November: 51° N. 21°— 34° W., rare. 



Temperature: ll.o. 

 Salinity: 35. lo. 

 Plankton-type. 8. 



