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



Table I. The North 



Bate . . 

 Lat. N. 



Long. 



Temp. . 

 Salinity 



5 

 59°32' 

 4° 15' 



E. 



5.1 

 34,11 



6 

 61°32' 

 2° 13' 



E. 



7,4 

 35,12 



7 

 63° 1' 

 r36' 



E. 



6,7 

 35,10 



58°51' 

 5° 9' 

 E. 

 3,8 



32,48 



8 

 58°28' 

 4° 27' 



E. 



4,4 

 32,85 



8 

 57°54' 

 3° 26' 



E. 



6,4 

 H5,19 



57°21' 

 2° 27' 



E. 



7 

 35,03 



9 

 56-49' 



r3r 



E. 



6,8 



35,03 



9 



56°16' 

 0°33' 



E. 



7,2 

 34,90 



9 



c 





55-44' 



55-12' 



0°23' 



1°18' 



E. 



W. 



6,1 



6,4 



34,60 



34,66 





c 





>" 



r 



+ 



r 



r 





+ 







r 



r 



T 



r 



r 



r 



r 





r 



r 



+ 



+ 





r 



+ 



+ 



r 







r 



CNc 



CNc 



9 

 57°47' 

 10-37' 



E. 



2.0 

 29,38 



10 



10 



11 



11 



12 



57-51' 



58-5' 



58-21' 



58°30' 



58-40' 



7° 47' 

 E. 



4-45' 

 E. 



1-40' 

 E. 



1-30' 

 W. 



4-18' 

 W. 



2,0 

 27,31 



3,5 

 35,17 



6 

 35,05 



7 

 35,12 



7 

 34,71 





r 



r 











r 



+ 











c 













c 











r 













r 

















+ 







r 



r 



r 



r 

 r 



r 



r 











cc 



+ 



) 







r 





+ 









r 





r 







+ 



r 



r 



r 









c 













+ 











■ 



c 













+ 



r 



c 









r 





+ 







r 



+ 













r 



. 









. 



r 













+ 













cc 



r 











Ns 



Tp 



CTp 



Ne 



( 



9 



Ne 



Acartia Clausii Gieser 



A. loDgiremis Lilljeb 



Calanns finmarchicus Gunn. . . . 

 Centropages hamatas Lilljee. . . 

 Metridia hibernica Beady & Robts. 

 Mierosetella atlantica Bkady & 



Robts 



Oithona simili3 Claus 



Psendocalanus elongatus Boeck 

 Temora longicornis O. F. Mull. . 

 Gyttarocylis media Beandt . . . 

 Ptychocylis acuta Bkandt .... 

 Sagitta bipunctata Quoi & Gaim. . 

 Acanthometron quadrifolium Hkl. 

 Halosphaera viridis Schmitz . . . 



Ceratinm fnrca Duj 



C. fnsns Duj . 



C. tripos NiTZSCH 



v. longipes Bail 



v. macroceros Ehb 



Biddulphia aurita Lyngb 



B. mobilensis Bail 



Chsetoceros atlanticus Cl 



C. borealis Btw 



v. Brightwellii Cl 



C. constrictus Grev 



C cnrvisetns Cl 



C. debilis Cl 



C. deciplens Cl 



C. didymus Ehb 



C. Schttttii Cl 



C. teres Cl 



Coacinodiscns concinnus W. Sm. . 



C. excentricuB Ehb 



C. ocnlns iridis Ehb 



Ditylum Brightwellii West. . . . 



Lauderia annulata Cl 



Rhizosolenia semispina Hensen . 



R. styliformis Btw 



Thalassiosira Nordenskiöldii Cl. . 

 Thalassiothrix Franenfeldii Grun. 

 T. longissima Cl. & Getjn 



Plankton-type 



S 

 Tp 



r 



+ 



ST 



r 



+ 

 r 

 + 



+ 



r 



cc 



r 



Ns 

 Tp 

 Nh 



r 



c 



Ns 



+ 

 r 



c 

 r 



Ns 



c 



+ 



r 



+ 

 r 

 r 



Ns 



Ns 



r 



r 



+ 



r 



+ 

 + 

 c 

 + 

 r 



r 

 c 

 r 



Ns 



