lilAT(»M.\C.i;.V. — FI!A(;iLAKIA :i27 



Xorciiihr/-: VA X. (il' W. to 11' N. ()H- W., as a rule lare. 

 1891) FchriKirii: '.\'\ X. lU W ., very rare. 

 Mftji: hiy X. ."JU W.. very rare. 



Temperature: I i..->, mean of 21 obs.. max. 'liS. min. !<).<. 



Salinity: Hf).!.., mean af 17 obs., max. 'MS.-.,:,, min. 1)2. id. 



Plankton-type. This s|)ecies is of neritic babital and occurs 

 111 the ocoan only occasionally, as a rule in Slyli-plankton. I have 

 seen it in plankton from Jedo Hay, Japan, and from Piicfet's Sound. 

 — Xin (S). 



FRAGILARIA OCEANICA Cl.' 



(ISih. Koiijil. Sv. Votensk. Ak.id. Ilandl. 1 ii. i:'. IM. XIV li^'. 25). 



ISilS May: 70—72 X. V^—US W.; ()7 — 6S- X. 21'— 17 W.: JK^ 

 X. h'\ \V.; 59= N. 19' \V. 

 .June: m X. ol' W., very rare: (io X. :;] W. to iKr N. 

 27 W. 

 1M99 May: 75' X. 1 E. 



Jane: 80° X. W K., to IV X. 20 K. 



.//////: 71-'— 75' X. 17"— 20' W.. very common; 70 — 72 X. 21^ 

 W., not rare; 80' X. 12' (common) and Hi' K. (rare). 



Temperature: O.s, mean of 25 obs.. max. (i.i, min. — 1,3. 

 Salinity: ;!.•). in. mean of IS ol)s., max. ;)K<i.i min. .'{Lii^, excep- 

 tionally 25.;;,,. 



Plankton-type. Tv|)ical arclic, neritic fdiiu. Il occurs in the 

 Hudson I Jay. — A//. 



FRAGILARIA STRIATULA Lyxgi:. 

 (V.\N HiiiMc.K Syn. IM. XI. IV lig. 12. 

 189'.» May- -.Inn,': ()(> X. 22" W. 



Temperature: -kio. 

 Salinity: '.W.uk 

 Plankton-type: As. 



' O.stenfcld's data used. 



