COSCINODISCUS EXCENTRICUS Khk.' 

 A. Kclimidt Atlas PI. lA'III lig. 46— iii.; 



ISilK Janiinrtj: AS N. 6° W.; ?>■! N. 1\ \V. 



Marrh: 21° N. 18 W. 



April: fio — 61° X. V—l' W. 



May-. 60° N. 2^ W. to oH^ N. 21° W. 



JiiiH'-. (12 X. 14° W. 



Avail St: m- X. 4-' W. 



SepU'inhL'v: 60° X. i° W.; 60° X. 21° W.; m X. 25- W. 



Oi-inbcr: rai'e from the Shetlands to 68 X. 12 W. and to 

 60° X. Tr W. 



Xncrinher: 60' X. 4- W. to 62° X, .S W. 

 1899 Ffhrnary: 60° X. 1° W. 



J/ft/r/i:'62° N. 7" W.; H4" X. 11° W. 



April: W" N. 7° W. 



Temperature: 9.9, varying from 5..iu to 19. 



Salinity: 35..s3, varying from 34.si to 85.6o. 



Plankton-type. This species is widely distributed along the 

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

 scarcely can be distinguished from those of <' so/, it is hardly pos- 

 sible to indicate its distribution. — A's '?. 



COSCINODISCUS NOBILIS Grun. 



;R. Micros. Soc. .lourn. 1879 PI. I fig. 1. ru.^•r. .'//'/a.-^ Janiscli Gazelle Exp. PI. Ill 



fip. ■!■.) 



1898 Fchrna/-!/: 5°— H' S. 9^—12- K. 



Temperature: 26.2 to 27.3. 

 Salinity: 20.29 to 33.6.3. 

 Plankton-type: A7. 



Ostenteld's data used. 



