RADIOLARIA ACAMTHONIA 131 



Jn?i,': area between 10 .\. fiB" W., 19 N. H.-i W., te" N. 



26° W. and the Azores; W — li' X. 10—1) W.; 62° N. 



•2- K. 

 July: 21- -26 X. 51^— W W.; 83'- -rW- X. 74-- W.; 41° N. 



60° AV.; area between 31° X. 30' W., i2' X. 36' W. and 



19' \. 22- W. 

 August: 22' N. 71' W. to ;')1' X, 73' W.; 41° X. 58-' W. to 



42' X. W W.; Azores; 7()' N. 11° E. 

 S,j,ir/,ibr/-: 9- X. 53° W.; 20—29' X. 74" W.; area between 



3(1 X. 35' W, i-7 X. 9 \V. and 48' X. 29' ^A^; 20° X. 



45' W. 

 Octobrr: 2& X. 76' AV.; Azores; 55' N. 39" W. 

 Xoreiuhrr: .19' S. 31' W,; 1° X. 30' W.; 21' X. 21° W.; 



34' N. 10' W.; 45' X. 7° W.; 60' X. 1° W'.; Faroes; 29° N. 



43' W.; 'h- X. 11° W.; 53' N. 50° W. 

 iJccciiihr/-: 2() S. 15' \V.; 19— 25' X. 58 — 52 W. ; Canaries; 



Azores; Faroes. 

 1899 January: Faroes. 



February: :!1' X. 10' W. : Fiiroes. 



Junr: 26"— 7" S. 2' E— 11' W. 



Scpri'inhrr: 67' X. .3° W.; 56 X. 23' and 30" W 



Xorrinhrr: 51°- X. 13' and 21° W. 



Temperature: 21. 1, mean of 165 obs., max. 28..;, min. 4.6. 



Salinity: 35.s.-,, mean of 118 obs., max. 37. 17, min. 32.si, ex- 

 ceptionally 20 I'll. 



Plankton-type. Xoted from the Mediterranean, Indian and 

 Pacific. According to the above .statements it occurs at least from 

 26' S. to 15° X., rare between that degree and 50' N. Beyond 

 the last named limit rare specimens only were carried to the Faroes, 

 western Xorway and Spitzbergen. — .S. and I). 



ACANTHONIA CUSPIDATA Hkl. 



(Monogr. pag. 383, PI. XVIII, fig. 11. Under this name I include all 

 Acanthometra with four-winged spines and basal leaf-cross. 



1898 January: 11' X. 17° AV.; 32° X. 71- W. 

 February: 5' S. 9°— 1' E.; 15 X. 71° W. 



