I Bacterias 

 Chaetoce 



affine 



criophilum 



debile 



decipiens 



densum 



diadema 



didymum var. i 



furcellatum 



Lorenzianum 



secundum 



seriacanthus 



VanheurcKii 



B. N. 

 Tr. & T. N 



B. N. 

 B. N. 

 T. N. 



J. P. O 



P. 0. 



. & T. N 

 T. O. 



20 sept. 

 iS, 2<j, 3o, 3o, 3i july; 6; 

 I, 25 august ; 4 sept. 



25, 2lj july ; 20 



3i july ; 19 august 



7 i"'y 



,5 sept. 



12, 18, 23 june ; 26, 28, 3i july 

 20 august ; g, ro Oct. 

 2, 9, g, 10 oct. 



3o june ; 10, ig, 19,26, 3i july 

 20 august. 



21 june; -7, 10, aS, 26 july 



14 july 

 14 july ; 20 august: 



2- july ; 



3o june ; 7, 

 20 august ; 







T. N. 





.4 july 









T. N. 



P. 0. 



27, 28, 29, 3o, 3o, 3i july 







Ditylum sol 



T. N. 



P. 





I, 3, 4, 4 june ; 2, 7, 9 oct. 





Eucampia biconcavum 



Tr. 0. 



J. 



20 sept. 







Nitzschia seriata 





0. 





7 iul.v 





Palmeria hardmaniana 



Tr. & T. 0. 











Rhizosolenia alata 



T. 0. 



P. 0. 



28, 3o, 3u july ; 6, 9, 19 august 







— calcar-avis 



T. 0. 



J. p. 











Tr. & T. 0. 



p. 









— Clevei 





p. 









Rhizosolenia hebetata 



A. 0. 



J. p. 0. 



17, 19, 28, 3o, 3ojuIy : 0,9 august ; 



18, 23, 3o june ; 7, 10, 19, 26, 











4, 20 sept ; 14, 1 5 oct. 



3i july ; 28 august ; 2, g. 







T. N. 



p. 0. 









— styiiformis 



T. 0. 



p. 0. 



25, 28, 29, 3n, 3o, 3i july; 19,25 



12, 3o june ; 3, 25, 26, 28 july; 











august ; (j sept. 







Skeletonema costatum 



B. N. 



0. 









Stephanopyxts nipponica 



T. 0. 



p. 0. 



6, 9 august 



4 june ; 3, 19, 20, 3i july ; 4 au- 













(gust. 





T. 0. 



0. 





7 july 





Thalassiosira decipiens 



B. N. 





19 august 



7 july 





— gravida 



A. & B. N. 



p. 0. 





21, 23 june ; 2Ö july 





— Nordenskioldii 



A. & B. N. 



0. 





7 july 





' Thalassiothrix lungissima 



B. 0. 



0. 









— nitzschioides 



T. N. 



p. 0. 



9 august 



3 july ; 1 5 sept ; 2 oct. 



