46 P. T. CLEVE. THE PLANKTON OF THE NORTH SEA, THE ENGLISH CHANNEL, AND THE SKAGERAK. 



Table V. 



Month 



Day 



Temp 



Areom. Density 



Wind 



Tide 



Oikopleura dioica FoL 



Centropages hamatus Lilljeb 



C. typious Kböyee 



Corycjeus anglicus Ldbbock 



Euterpe acutifrons Dana 



Oithona similis Claus 



Paracalanus parvus Claus 



Temora longicornis O. F. Mull 



Podon polyphemoides Leuck 



Noctiluca miliaris Sumeay 



Ptychocylis Ehrenhergii Clap. & Lachm 

 Tintinnopsis beroidea v. acuminata Dad, 



T. campanula Ehb 



T. ventricosa Clap. & Lachm 



Phseocystis Poaclietii Lagh 



Ceratium fnsns Doj 



C. trip. v. longipes Bail 



Peridiniuni ovatnm Pouohet 



Bacteriaatram varians Lauber 



Biddnlphia aurita Lyngb 



B. mobilensis Bail 



Ceratauliaa Bergonii H. Pbe 



Chsetoceros debilis Cl 



C. deoipiens Cl 



C. (borealis v.?) denSQS Cl 



O. didymus Ehb 



C Schiittii Cl 



Coscinodisous conncinnus W. Sm 



C. exccntricus Ehb 



C. oculus iridis Ehb 



Ditylam Brightwellii West 



Eucampia zodiacns Ehb 



Guinardia flaccida Caste 



Lauderia annnlata Cl 



Lithodesmium nndulatnm Ehb 



Rhizosolenia calcar avis Schulze ■ . . 



R. delicatula Cl 



R. setigera Btw 



R. Shrubsolei Cl 



R. Stolterfothii H. Pee 



Thalassiosira gelatinosa Hensen .... 



1 



4 



5,7 



2 

 9 



4,4 



1,0242 1,0210 

 SW. ; NE. 

 Ebb. Ebb. 



4 

 26 



8,7 



1,0235 

 NE. 

 Ebb. 



5 



3 



10,3 



1,0240 



SE. 

 Flood. 



5 



12 

 9,9 



1,0244 



NNW. 

 Ebb. 



5 



17 



10,6 



1,0234 



E. 

 Flood. 



5 



27 



11,9 



1,0247 

 NW. 

 Ebb. 



6 

 3 



12,4 ! 14,6 

 1,0205 : 1,0225 

 W. ; ENE. 

 Flood. i Ebb. 







6 



6 



14 



23 



15,0 



14,6 



1,0217 



1,0247 



NE. 



W. 



Flood. 



Ebb. 



7 

 22 



+ 



+ 



cc 

 c 



I 



+ \ cc ' cc 



+ 

 cc 



