PENNATÆ. 



Diraphideæ. 



Amphiprora Ehr., 1843. 

 Amphiprora gigantea Grun. var. septentrionalis Grun. Cl. Syn., 

 I, 18; Cl.&Gruii. A.D., Tab. V, fig. 87 (A. decussata sept.). 



Lo c. Danmarks Havn (Algæ), Marg. of the Pack-ice. 

 A re t. Di st г. Greenl., East Arct. S. 



Kjellmanii Cl. var. glacialis Cl., Cl. Syn., I, 16; Cl. Vega Exp., 

 Tab. XXXV, fig. 12 (A. glac). 



L o c. Marg. of the Pack-ice. 



Arct. Di st г. E. Greenl., East Arct. S. 



Auricula Castr., 1875. 



Auricula minuta Cl., Cl. Syn., I, 21, Tab. I, figs. 7-8. 



Lo с. Off Cape Amelie (Algæ). 



Hitherto recorded only from "Sweden, Gullmarsfjord on Zostera and 

 among Amphipleura (Berkeleya) Dillwynii" (CI. 1. c). 



Tropidoneis CI., 1891. 



Tropidoneis longa Cl., Cl. Syn., I, 25, Tab. III, fig. 8. 



Lo с. Off Cape Amélie (Algæ). 

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



Pleurosigma W. Sm., 1852. 



Pleurosigma elongatum W. Sm., Cl. Syn., I, 38; W. Sm. Syn. 



Tab. XX, fig. 199. 



Lo c. Koldewey Isl. (Algæ). 



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



Caloneis Cl., 1894. 



Caloneis amphisbæna (Bory) Cl. var. fuscata Schum., Cl. Syn., 

 I, 58; Cl. & Grun. A.D., Tab. I, fig. 27. 



