42 



1'. T. CLEVE, THE PLANKTON OF THE NORTH SEA, ENGLISH CHANNEL, ETC. 



Table I. The Noi 



Date 



Lat. N 



Long 



Temperature 



Salinity 



Acartia Clausii Giesbr 



Calanus liiiuiarc-hicus Gi NN 



Centropages typicus Kröyer 



Corycrcus anglicus Lubb 



Oithoua similis Ci.aus 



Paracalanus parvus Claus 



Pseudocalanns elongatus Boeck . . . 



Temora lorjgicornis O. F. Muu 



Sagitta bipunctata (iuoi & GaIM. . . . 

 Tintinnopsia ventricosa Clap. & Lachm 

 Acanthomcthron pellucidum J. Mull. . 



Pleetophora arachnoides Hki 



Distephauus speculum Kun 



Halosphsera viridis Schmitz 



Ceratium furca Duj 



C. lusus Duj 



C. tripos Nitzsch 



var. bucephala Cl. 



v;ir. longipes Bail 



\ar. macroceros Ehb 



Dinophysie acuta Kub 



Diplopsalis lenticula Bebqh 



Gonyaulax spinifera Clap. & Laciim. . 



Peridinium depressum Bail 



1' di\ crgens Ehb 



Pyrophacus borologium Si kin .... 



Biddulphia mobilensis Baii 



Chsetoceros atlanticus Gr 



('. decipiens Cl 



Coscinodiscus concinnus W. Sm. . . . 



C. eicentricua Ehb 



C. oculuB iridia Ehb 



C. radiatus Kub 



Ditylum Brightwellii West 



Rhizosolenia styliformis I * i \\ 



Planktontype 



57° 51' 



57 53' 



58" 12' 



58 J 25' 



5S° 47' 



58° 37' 



57' 6' 56' 14' 



ii 50' K. 



8 8' K. 



4° 4' E. 



lf.r k. 



■i 37' W. 



5 5' W. 



G 3 13' W. 6=42' W 



5,2 



3,5 



5.0 



7,0 



34,67 



32,51 



33.92 



35,4 1 



7,2 



34,57 



7,6 



34,62 



7,9 



34.29 



r 

 c 

 r 



cc 

 r 

 + 

 cc 



+ 

 rr 

 r 

 r 

 r 

 r 



+ 

 r 



Tp. 



c 



+ 

 r 

 rr 



r 

 c 

 c 



c 

 c 



+ 

 r 

 r 



+ 



+ 

 + 



c 

 c 



r 



cc 

 + 

 + 

 c 

 r 

 r 

 rr 



+ 

 rr 



rr 

 r 



Tp. Nh. I Tp. Nh. Nh. Ns 



r 

 rr 



(No.) 



rr 

 rr 



rr 

 rr 



