816 niATOMACE.V. — eoscixoDiscus 



Plankton-type. I'his species belongs almost exclusively to 

 the eastern Atlantic, having only once been seen north of South 

 America. It was found in the spring west of Africa and in the area 

 between the Azores and the E. Channel, had in May advanced to 

 the north of Kockall, in June to the Faroe (Channel, reached Iceland 

 in .lulv and drifted thence in August towards E. Greenland. In the 

 winter it was seen in the region of the Newfoundland Banks. Lkm- 

 MEiniAxx mentions this species from the northern Pacific. — N. 



COSCINODISCUS ANGUSTE-LINEATUS A. Sch\i. 



(Atlas der Diat. KuikJo I'l. I,1X lig. M.) 

 1Si)U Jul I/: oT" N. 28' W., common. 



Temperature: K). 

 Salinity: iJo.n 

 Plankton-type : S 



COSCINODISCUS BENGALENSIS (Irux. 



(Van Mki h.:k Synopsis IM. CXXXII liji. ;).^ 

 1SV)8 Anf//fs!, Scjitc/iihcr. Ocfohc/-: Azores. 



Temperature: 1*Ki., mean of 4 obs., max. 21. l>, min. 18.,-,. 



Salinity: 86. i.;, mean of 8 obs., max. 86. 2.-,, min. 86. is. 



Plankton-type. Noted from Elephant Point, Bengale. 1 have 

 seen this sjiecies in plankton from the P»ed Sea. l*robably a neritic 

 form. — A7. 



COSCINODISCUS BIOCULATUS (Ikux. 



CD. Diat. von Franz .)os(>f-Lan(l ISSi- I'l. Ill f. 30.) 



t8<lS Ma,/: 72' N. 18" W. 



Temperature: — O.i. 

 Salinity: 8i.2i;. 



Plankton-type. Noted from the North Siberian Sea and the 

 coasts of (Greenland — A/y. 



