236 DIXOFLAGELLAT-T. — CITHARISTES 



October: 2\ S. m- W.; 9^ S. 34° W.; Cape Verde Islands; 



Canaries; Caribbean Sea to 38° N. 74° W.; 41° N. 58° W. 

 November: 18°— 19° S. 31° W.; 4° N. 30° W.; 26° N. 48° W. 



to 19° N. 58° W.; 42° N. 62° W.; 47° N. 41 W.; 36° N. 



14° W. to 34° N. 10° W. 

 December: 25° N. 52° W. to 22° N. 56^ W.; Caribbean Sea; 



Canaries; (iil)raltar. 

 1899 JaTHiary: area between the Canaries, Madeira and 35° N. 



9° W. 

 Febi-iiary: 32° N. 47° W. 

 April: 36° N. 74° W. 

 May: 35° N. 75° W. 

 Jiuie: 12° S. 9° W.; 4^ S. 19° W. to 9° N. 25° W.; 12° N. 



52° W. 

 July: 10° N. 26° W. 



Temperature: 23.5, mean of 129 obs., max. 28.3, min. 13. s. 



Salinity; 35. 7s, mean of 99 obs., max. 38. ,-.4, min. 32.9i. 



Plankton-type. Noted from the Mediterranean, Indian and 

 Pacific. It occurs in the tropical Atlantic, at least from 21° S., bet- 

 ween S. America and Africa, follows the Equatorial Current to the 

 north coast of S. America, into the whole Sargasso Sea and the Ca- 

 ribbean Sea, thence the Florida Current. From July to September 

 (maximum in August) it advances in the western Atlantic between 

 40° and 45° N. (rare specimens nearly to 50°). In the winter it 

 occurs from Gibraltar to the Canaries. — 1). 



CITHARISTES APSTEINII Schltt.^ 



( D. l^eridineen d. Plankton-expedition PI. V Jig. 24'). 



1897 December: 23°— 25° N. 51°— 50° W. 



1898 February: 28° N. 39° W. to 19° N. 52° W. 

 March: Azores to 29° N. 45° W.; Caribbean Sea. 



April: 19° N. 52° W. to 16° N. 56° W.; Caribbean Sea; N. 

 coast of San Domingo. 



^ Murray's & Wliittin^'s data used. 



