FINGER LAKES OF NEW YORK. 



249 



Table 21 shows the vertical distribution of the organisms in the nannoplankton , 

 indicating the number of individuals per cubic meter of water at the different depths. 

 The forms are as follows: 



Protozoa — A=Amoeba, C=Cryptomonas, F=unidentified asymmeuical flagellate, H=Halteria, 

 M=monads, R=unidentified rhizopods, S=Synura, 



Green and blue-green alg.b — Ap=Aphanocapsa, Oo=Oocystis, Sc=Scenedesmus 

 Diatoms — N=Navicula, S=Stephanodisciis, Sy=Synedra. 



Table 21. — Analysis of Nannoplankton. 

 canandaigua lake, july 28. 1918. 



CAYUGA LAKE. JULY 30. 1918. 



F3-, 

 H s. 

 M 26. 

 R 30, 

 F26, 

 5 :i M=o- 



R 52. 



,{ M36, 

 1 1 R 20, 



242,000 

 207,000 

 03 5 , 000 

 828,000 

 035,000 

 838,000 



070. oco 

 207,000 

 449,000 



828,000 



Ap 93 , 726, 000 

 Sc 20,828.000 



Ap 62,484.000 

 Sc 20,828,000 



Ap 78. 105,000 

 Sc 10,414,000 



N 5,207,000 

 S 5,207,000 



S 5,207,000 



S 5,207,000 



20. 



3°- 

 SO. 

 75. 

 100 



M 20,828,000 

 M 26.035,000 

 M 26,035,000 

 M 15,621.000 

 M 10,414.000 

 R 5,207,000 



Ap 62,484,000 

 Ap 67,691,000 

 Ap 52,070,000 

 Ap 62.484,000 

 Ap 67,691,000 



S 5, 207,000 

 S 5. 207. coo 

 S 5,207,000 



S 5,207,000 



SENECA LAKE. AUG. i . is»iS. 



C41 



M 145. 



C15. 



M 119, 



C5. 

 M 20, 



Cs. 

 M 10, 



Cs- 

 M 10, 



656,000 

 800,000 

 621,000 

 761,000 

 207,000 

 828,000 

 207,000 

 414,000 

 207,000 

 414,000 



Ap 72^ 

 O05 

 Ap 161, 

 Oo 10. 

 Ap 62, 

 Oois 

 Ap67, 

 O026 

 Ap36, 

 Oo 10. 



898,000 

 207,000 

 417,000 

 414,000 

 484,000 

 621,000 

 691,000 

 035,000 

 449.000 

 414,000 



S 15.621,000 

 Sy 5,207,000 

 S 15,621,000 



S 15,621,000 

 S 15,621,000 

 S 10,414,000 



30. 

 50. 



75- 

 100 



13s 



170 



C5. 



M36, 

 R5. 



M 20, 

 M5. 

 M 15, 

 M 10, 



M5. 



207,000 

 449,000 

 207,000 

 828,000 

 207,000 

 621,000 

 414.000 

 207,000 



Ap 36,449-000 

 Oo 10,414.000 



Ap 62,484,000 

 Ap 72,898,000 

 Ap 67,691,000 

 Ap 46.863,000 

 Ap 67,691,000 



S 10,414,000 



S 5,207,000 

 S 10,414,000 

 S 10.414,000 



S 5, 207,000 



S 5. 207,000 



GREEN LAKE, WIS.. AUG. 20. 1918. 



F5. 

 Mio, 



Rs. 

 F 10, 

 M 10. 

 Fis. 

 M 26, 

 M 10, 



307,000 

 414,000 

 207,000 

 414,000 

 414,000 

 631,000 

 035.000 

 414,000 



S 5,207,000 



Ap 145,800,000 Sy 20,828,000 



Ap 145,800,000 S 5> 307,000 



Sy 15,631,000 



Ap 130, 200, 000 S 5 • 207 , 000 



Sy 15,621,000 



AP52,070,ooo ! Ss, 207, 000 



30. 

 40. 

 50. 

 65. 



M 20,828,000 

 R 5,207,000 

 M 5, 207,000 

 A 5,207.000 

 R 5.207,000 

 M 5, 207,000 

 M 5, 207,000 



Ap 72,900,000 



Ap 46,800,000 

 Ap 57, 200,000 



Ap 67, 700,000 

 Ap 62,500,000 



S 5,207,000 



S 5, 207.000 

 S 5, 207,000 



Sy 5, 207,000 



S 10,414,000 



S 5, 207,000 



Sy 5,207,000 



