134 , K.\i»i(»r.ARiA — A(,anthospii.i;i;a 



ACANTHOSPHi^RA ACUFERA JIkf,. 



(Monogr. pag. ;-5H6 I 'I. XIV lig. 1 . 



1898 Marrh: 40^ N. hir W. 

 April: 41= N. 19 W. 



Temperature: 11 lo l.'5.s. 



Salinity: 05.17 to 1)5. si». 



Plankton-type. H.kckki, mentions lliis sj)eeios fioni the Medi- 

 terranean and from 83 N. 3(1 W. My specimen occurred in Styii- 

 plankton. — N. 



ANCANTHOSPH^RA CASTANEA IIkl. 

 (Chall. pag. -ill. J'i. XXVI lig. 3.) 

 1899 ■Jduvdnj: 15' N. 49 W., very rare. 



Temperature: 12. 

 Salinity: )\l^.:.\. 



Plankton-type. H.kckel mentions this species from the N. 

 Pacific — •' 



ACANTHOSPHiERA TENUISSIMA IIkl. 

 (^lonogr. pag. 851 PI. IX lig. 2.j 



1898 February: 26 N. 74- W. 

 May: Azores; 50" N. 14" \\. 

 July: 25' N. 74" W'.; 41" N. 60" W. 

 November: Azores; 47= N. 11= W. 



1899 MareJi: Azores. 



Temperature: 19. h, mean of 8 obs., max. 27. s, min. 13.;:. 



Salinity: .')5.-mi. mean of 5 ol)s., max. 31). .id, min. 35. .it. 



Plankton-type. Noted from the Mediterranean and Ihe (lana- 

 ries. According to the above data it occurs rarely in the Styh- 

 plankton of the eastern and western warmer Atlantic. — N. 



