200 EllNST OsTltri«. 



Loo. Dove* Hii}il. 



Ard. Di sir. Hast Aivt. S. 



Caloneis brevis (Gref^.) Cl., CI. Syn., I, ()1: V. II. Tri., Tal). IV, 

 fig. 180. (Nav. brev.). 



Lo c. Ofr Cape AiiR'lic (Aljjiii', 3 sampl.) 

 Arct. Distr. W. ("ircenl.. Hast Arct. S. 



Caloneis kryophila Cl. var? (jelida Cl., Cl. Syn., 1,64; CI. Vega 

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

 Lo c. Marj;. of the Fack-Ice (2 sampl.) 

 Arct. Distr. (ireenl., East Arct. S. 



Diploneis Ehr., 1840. 



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



Tab. I, lig. 40 iNav. Smilhii bor.). 



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

 Arct. Distr. W. Greenl., H. of Green!., East Arct. S. 



Diploneis coffæiforniis (A. Seh.) Cl., Cl. Syn., I, 81; A. Seh. 



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; CI. & Grun. A. D., 



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



Loc. Danmarks Havn (Algæ), Koldewey Isl., (Algæ, 2 sampl.), Marg. of 

 the Pack-ice. 



Arct. Distr. E. Greenl.. Hast Arct. S. 



Diploneis interrupta (Kütz.) CI., CI. Syn., I, 84; V. H. Trt., 

 Tab. Ill, fig. 145. 



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

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



Diploneis littoralis (Donk.), CI. var. arctica CI., CI. Baff". B., 18, 

 Tab. I, fig. 7. 



Loc. 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 At, Lat. 25 /t. 



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

 Tab. I, fig. 1. 



Loc. Marg. of the Pack-ice. 



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



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



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



Loc. Off Cape Amélie (Algæ). 



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



