860 .MURRA(;YT.^^, r.YST.K — I'V i;(1( .YSTIS 



Frhi-nary: 81" N. 8.0° W. to 19" N. 52^ W.; Caribbean Sea. 

 Marrh- 4" S. 10^ W. to 17° N. 47° W.; Caribbean Sea; 28° 



—82° N. 74° W.; 40°— -41° N. 64°— 51° W. 

 Aj)j-if: 22° N. 47° W. to 2U° N. 88^ W.; Caribbean Sea. 

 May: 18° N. 51° W.; 41° N. 51° W. 

 Auf/nst: 40°— 41° N. 66°— 57° W. 

 S,'ptrinbiT: 41°— 42° N. 65°— 57° W. 

 November: 9° S. 84° W.; 40—44^ N. 67°— 55' W. 

 December: 29° S. 49° W. 

 1 899 April: 86° N. 74° W. 



Temperature: 21. r,, mean of 27 obs., max. 28. min. 12. 

 Salinity: 85.4o, mean of 12 obs., max. 88. .-,4, min. 82.87. 

 Plankton-type: I). 



PYROCYSTIS HAMULUS Cl. 



;K. Vetensk. Akad. llandl. Vol. XXXIV n. 1 1^1. VII lig. 23). 



1897 December and 



1898 January: 12" N. 50° W.; 29" N. 7i-° W. 

 February. 16" N. 71° W. 



March: 11—15° N, 50°— 49° W. 

 June: Ti"" x\. 55° W. 

 July: 26° N. 18" W. 

 October: 30" N. 71° W. 

 IS()9 Frb,'u<try: 32° N. 17° W. 



Temperature: 21. 21., mean of 9 obs., max. 27, min. 19. s. 

 Salinity: 86 r, 2, mean of 7 obs., max. 87,04, min. 86.21. 

 Plankton-type. Occurs in the Indian Ocean. It belongs to 

 the western tropical Atlantic (12° — 82° N.). — ]). 



PYROCYSTIS LANCEOLATA Schrodfr. 

 (:\litth. zool. Stat. Ncapel Vol. XIV, 1900 pag. 13 liii. 11.) 



1899 Murrh: 37° N. 26° W. 



Temperature: 15.?. 

 Salinity: 8(')..,o. 

 Plankton-type: S '?. 



