200 Ernst Østrup. 



Lo с. Dove Bugt. 



A ret. Distr. East Arct. S. 



Caloneis brevis (Greg.) CI., CI. Syn., I, 61 ; V. H. Tit., Tab. IV, 

 fig. 180. (Nav. brev.). 



Lo с. Off Cape Amélie (Algæ, 3 sampl.) 

 Arct. Distr. W. Greenl., East Arct. S. 



Caloneis kryophila Cl. var? gelida Cl., Cl. Syn., 1,64; Cl. Vega 

 Exp., Tab. XXXVII, fig. 42. (Nav. kryoph.? gel.) 



Lo c. Marg. of the Pack-ice (2 sampl.) 

 Arct. Distr. Greenl., East Arct. S. 



Diploneis Ehr., 1840. 



Diploneis borealis (Grun.) Cl., Cl. Syn., I, 96; Grun. Fz. Js. L., 

 Tab. I, fig. 40 (Nav. Smithii bor.). 



Lo c. Off Cape Amélie Algæ, 5 sampl.), Koldewey Isl. (Algæ). 

 Arct. Distr. W. Greenl., E. of Greenl., East Arct. S. 



Diploneis coffæiformis (A. Sch.) Cl., Cl. Syn., I, 81; A. Sch. 

 N. S. D., Tab. I, fig. 22. 



Lo c. Koldewey Isl. (Algæ). 



Not before recorded from Arct. S. Several other records. 



Diploneis Entomon Ehr., Cl. Syn., I, 87; Cl. & Grun. A. D., 



Tab. Ill, fig. 54 (Nav. bomboides A. Sch. var. media Grun.). 



Lo c. Danmarks Havn (x\lgæ), Koldewey Isl., (Algæ, 2 sampl.), Marg. of 

 the Pack-ice. 



Arct. Distr. E. Greenl., East Arct. S. 



Diploneis interrupta (Kütz.) Cl., Cl. Syn., I, 84; V. H. TrL, 

 Tab. III, fig. 145. 



Lo c. Off Cai)e Amélie (Algæ, 2 sampl.), Koldewey Isl. (Algæ, 2 sampl.). 

 Arct. Distr. E. of Greenl., East Arct. S. 



Diploneis littoralis (Donk.), Cl. var. ardica CI., Cl. Baff. В., 18, 

 Tab. I, fig. 7. 



Lo c. Marg. of the Pack-ice (3 sampl.). 



Arct. Distr. Davis Strait, E. of Greenl., East Arct. S. 



In one of these samples a specimen of the present species has the 

 following dimensions: Long. 66 /z, Lat. 25 /л. 



Diploneis littoralis (Donk.), CI. var. hyperborea CI., CI. 1. c, 

 Tab. I, fig. 1. 



Loc. Marg. of the Pack-ice. 



Arct. Distr. W. Greenl., E. of Greenl., East Arct. S. 



Diploneis muscaeformis (Grun.) CI. var. genuina CI., CI. Syn., 

 I, 83; A. S. Atl., Tab. XIII, fig. 47 (Navic. muscæf.). 



Loc. Off Cape Amelie (Algæ). 



Hitherto recorded only from Baku, Java and Camp. Bay. 



