148 RADIOLARIA — CHALLEXGEKOX. CHOEXir.OSI'H.ERA, CLATHROCYCr-AS 



CHALLENGERON NATHORSTII A. 



(Koiigl. Sv. ^■('(. Akad. Handl. Vol. XXXII n. :! pag. 28 Pi. I lig. 9.) 



1898 Ajifjust and Scpicinhc/-: ,S() — 72 X. 1(F— U)- E. (deep sea 



hauls from 230 m. and more). 

 November: 56" N. 30'' W. 



1899 Mareh: M' N. 12° W. 



Temperature: <).s to 9.6. 

 Salinity: 35. us lo ';\h.-M. 

 Plankton-type: V 



CHOENICOSPHiERA MURRAYANA Hkl. 

 (Chall. pag. 102 I'l. VIII lig. 4-.i 



1898 XoceinlHT: 29' N. 19' W.; 56^ N. 17° W. 



1899 Nori'ntlur: 51° N. 21° W. 



Temperature: ll.c, to 21..^ 



Salinity: 35.-; lo 3H.ii7. 



Plankton-type. A'oted fi-om the Fiiroe Channel. — N. 



CLATHROCYCLAS COSCINODISCUS Hkl. 



(Chall. pag. 138!) PI. IMIl iig. :-l, 4.) 



1898 November : 53 — 56° N. 50°— 36" W. 



Temperature: ~.-> to 7.s. 

 Salinity: o'\.m to 35.(hi. 



Plankton-type. Found in the central Pacific, ahysnial. My 

 specimens occurred in Styli- and Tricho-planklon intermingled. 



CLATHROCYCLAS DANAES Hkl. 



(Chall. pag. i:-?88 PI. 1>IX fig. 18, 14.) 

 1898 November: 56 N. 30 W. 



Temperature: 9.(;. 

 Salinity: 35.o.i. 



Plankton-type. Noted from the Canaries. My specimens oc- 

 curred in Styli-plankton. 



