I)IATO.\IACE,K — CH^KTOCEROS 'M)U 



CH/ETOCEROS SALTANS Cl. 



(A Treatise on the Phyto-plankton PI. 1 lig. 8). 

 189R Ap/-i/: 10 N. 58- W. 



Temperature: .2:2, 



Plankton-type. Noted from HH — ;!(^ iSf. 18 and ()3° \V. 



CH^TOCEROS SCHUTTII Cl 



>(;kan. J)en Norske Nordhavs-Expedition PI. II fig. 19, 20). 



1898 March: 'nr N. \H^ W. 



April: 89" X. 2'r W.; IS X. 28^ W 



Maj/: a-)' X, 18 W.; 19^ X. 28' W.; ()()- X. 1^ W., common. 

 June: Westmannao, rare; ()2' N. 2^ 80' E., not rare. 

 Xoccmbcr: .58'" X. 82"- VV., rare; HO" N. 1' W., rare; ()8'' N. 



1.8° W., rare; 45" X, .50" W,, not rare; 15" X. 52° W,, very 



common. 

 December: 15' X. 51°— 58" W., common. 



1899 Mnrclr.'lf N. 15° W.; 1(r— 1-9" N. 11°— 9' W. 



April: 15° N. 18" W., rare; 18" X^. 9° W., very common. 

 May: 51° N. 20° W., rare; H0°— 111?. N. 1-°— H' W., common. 

 October: 58° N. 81° W., not rare. 

 November: 51° N. 28° VV., rare. 



Temperature: 11.5, mean of 21 obs., max. 22, min. 5. 



Salinity: 31-.iis, mean of 21 obs., max. 38.,,.-,, min 32.oi. 



Plankton-type. I have found this species in collections from 

 Jedo Bay (Japan) and Puget's Sound The sahnity of some of the 

 richest Atlantic collections was only 32.s9 and 32.b,i, vifhich indicates 

 that this species is neritic, occurring only occasionally drifting in 

 the ocean. — Xm. 



CH^TOCEROS SCOLOPENDRA Cl. 



(Bih. Kongl. Sv. Vetensk. Akad. Handl. Vol. XXII 3 n. 5 lig. 4, 5). 



1898 March: 21° N. 18° W.; Il"^ X. ()0° W.; 1-0° N. H8° W. 

 April: ()()" N. 21'" W. 



