HIS i )1 ATOM ACK.V. — (;0SC1 NO DISCUS 



COSCINODISCUS EXCENTRICUS Knn.' 



A. Schmidt Atlas PI. LVIII lig. 46— 4i).} 



1S9S January. 48"' N. 6^ W.; 32^ N. 74-^ W. 



March: 21" N. 18" W. 



A]>rH: H(P— 61" N. 4°— 7 W. 



May. m' N. 2" W. to 58" X. 21 W. 



Jane: 62" N. 14" W. 



Aarjast: 60^ N. 4" W. 



Scprcinhrr: 60" N. 4" W.; 60" N. 21 W.; 63" X. 2if W. 



October: rare from the Slietlands to 63 X. 12 W. and to 

 60" N. 27° W. 



XovenJx'r: 60" N. 4" W. to 62" X. 8" W. 

 ISVIll FeJ>rnarij: 60° N. 1" W. 



March: m"" N. 7° W.; 64" X. 11" W. 



April: Mr X. 7" W. 



Temperature: iKn, varying from oaw to W). 



Salinity: 35.33, varying from 34. si to 35.t;(). 



Plankton-type. This species is Avidely distributed along the 

 coasLs and occurs only exceptionally in the oceans. As dead shells 

 scarcely can be distinguished from those of C. .so/, it is hardly pos- 

 sible to indicate its distribution. — .Vs V. 



COSCINODISCUS NOBILIS (Irun. 



W. Micros. Soc. .loiini. IS7!t I'l. I lig. I. fo.-r. '//'/(z.-- .laniscli Ga/cellc Exp. PI. Ill 



lii!-. t. 



1898 Fehraartf: 5"— 6" S. 9"— 12" K. 



Temperature: 26.1- to 27.3. 

 Salinity: 20.2., lo 33.^3. 

 Plankton-type: A7. 



' Ostenfeld's data used. 



