RADIOLARIA — STYLODrCTYA 191 



STYLODICTYA ARACHNIA (J. :\[ill.) 

 (si,//ori/c-/i((. fir. Mli.l. Abh. d. Berl. Akad. 1858 pag. 41 PI. 1 fig. 8, 9.) 



1W)8 Jauiia/u/: 1- X. fiH- W.; ;-!0^ X. 34- W. 



Fehniarij- Mr N. 71° \V.; ;■!()- N. 74- W 



March: 11° N. 2;) W.; 4-9" N. IS^ \V. 



Mail: 2(r X. i2- W 



Si'ptcnihiT: 2.')- X 42' W 



October: 21° S. ;!() W.; 2(1- X. 76 \V. 



Xocriiihcr: 19" X. 58' W.; 22" N. 5.3" W.; 5(i' X. 23^ W. 



Dcrcmbi'r: 25- N. 52- W; 28- X. 47" W.; 34- X- 38- W.; 

 29" X. 14- \V. 

 1899 Jamianj: 33 X. 15 W. 



])ci-cinlii'r: 32" A", 'il' W . 



Mai-rlr. 27"" N. 37' W. 



Temperature: 20.'.., mean of 21 nbs., max. 27..,, min. lo.s. 

 Salinity: 35.,-,i;, mean of 17 obs., max. 37.-,i, min. 35.2-. 

 Plankton-type, l-'ound in the Atlantic, Mediterranean, Indian 

 and Pacific. — ]). 



STYLODICTYA GRACILIS Ehb. 

 (Abli. d. Berl. Akad. 1875 PI. XXHI fig. 3.) 

 1.S9S Drrriiibci-: 31° X. 43- W.; 10- X. 23" W 



Temperature: 17 to 20. 



Salinity: 36. sd to 36. w. 



Plankton-type. I'ound in the .\liantic and Pacific. — D. 



STYLODICTYA HELIOSPIRA Hkl. 



(Chall. |ia-. 512 PJ. \\A flg. 8.) 



1899 January : 45^ X. 49" W. 



Temperature: 12. 



Salinity: 35. -.i. 



Plankton-type. I^'ound in the .Mediterranean. — s. 



