PLANKTON DIATOMS IN ST. ANDREWS WATERS 



55 



TABLE VI. 

 5m. Tows in May from Stations 6, 10, 4, 9, 1, 5, 3. 



Navicula 



PL fasciola 



PI. angulaium 



PI. strigosum 



PI. formosum 



Achnanthes 



Asterionella 



Synedra 



Grammatophora . . . 



Rhahdonema 



Thai, nitzschioides . 



Bacillaria 



R. hebetata 



R. faeroensis 



Ck. debile 



Ch. sociale 



Ch. Willei 



Ch. diadema 



Ch. laciniosum 



Ch. decipiens 



Ch. contortum 



Ch. danicum 



Ch. atlanticum 



Ch. convolutum 



Skeletonema 



M. .sulcata, .f 



Thalassiosira 



Bacterosira 



Bid. aurila 



Actinopt!fchu.s 



Coscinodiscus 



400 

 400 

 400 

 50 

 200 

 100 



200 

 200 

 200 



1,000 



3,000 



2,000. 



800 

 400 

 400 



1,200 



400 



101,000 



33,000 



19,000 

 10,000 



800 



800 



254,000 



2,000 



2,000 



50,800 



11,200 



800 



800 



800 



800 

 200 

 300 



112,000 

 60,000 



23,000 

 39,600 



22,700 

 23,300 



12,000 

 1,600 



9,400 



5,600 



50 

 50 

 2,000 

 81,500,000 



600 



11,200 



6,000,000 



8,400,000 



2,900,000 

 3,200 

 5,600 



4,300 

 570,000 



250 

 250 



1,750 

 "256' 



23,000 

 7,500 



5,500 



10,000 



1,000 



266,000 



400 



2,200 

 100 



800 



2,400 



200 



22,500 

 "750 



1,800 



3,900 



2,600 



88,400 

 80,000 



6,100 



3,500 



500 



100 



200 



800 



4,400 



880,000 



500 



2,200 



TABLE VII. 

 5m. Tows of October from Stations 6, 10, 4, 9, 1, 5, 3. 



*Pr 



