COPEPODA — ONC^A, PARACALANUS 79- 



Temperature: tS, max. 20, min. 12. 

 Salinity: Sb.n to 35.92. 



Plankton-type. Noted from the Mediterranean. Its range of 

 distribution in the Atlantic is eastern, from 32° S. to 52° N. — S. 



ONC^A VENUSTA Philippic 



1898 May: 6° N. 56° W. 

 July: 33° N. 74° W. 



August: Azores: 41° N. 57°— 58° W. 

 September: 18° N. 25° W. 

 October: Azores. 

 Nooember: Azores; Rio Janeiro. 

 December: Azores. 



1899 March: Azores to 21° N. 43° W. 

 May: 33° S. 16° E. 



Temperature: 15.7 to 28. 



Salinity: 35.29 to 37. as. 



Plankton-type. Noted from the tropical Pacific, the Medi- 

 terranean and the Atlantic between 5° N.— 20° S. 24°— 38 W. — 

 D. (S.?). 



PARACALANUS ACULEATUS Giesbr. 



1898 January: 6° N. 55° W.; 12° N. 50° W. 

 Febj-uary: 26° N. 74° W. 



March: 1° S. 15° W.; 40° N. 56° W. 

 May: 6° N. 56° W.; 41° N. 56° W. 

 August: 41° N. 57°— 58° W. 

 Xovember: 17^ N. 25° W.; 19° N. 58° W. 

 December: 19° N. 58° W. 



1899 April: 9° N. 59° W. 

 June: T N. 25° W. 



Temperature: 23.9, mean of 14 obs., max. 28, min. 11. 

 Salinity: 35.3?, mean of 11 obs., max. 36.33, min. 34.33. 



' This species is probably not rare ■ in the tropical Atlantic, but as I fear 

 I have frequently confounded this species with the nearly allied inediterranea. 

 and 0. media, I do not publish my older determinations. 



