Diatoms from North-East Greenland. 243 



Pinnularia Brébissonii var. linearis O. Müll, forma carta, 0. 

 Müll., Riesengeb., 25, Tab. Ill, fig. 3. 



Loc. Vester Elv. 



Not before recorded from Arctic regions. Other record, Riesengebirge. 



Pinnularia divergens W. Sm. var. linearis var. nova. Tab. nost. 

 XIV, fig. 11. 



Long. 52«. Lai. 11«. Str. 8 in 10//. 



Valva lineari apicibus rotundatis. Raphe area hyalina satis lata, 

 media in valva in fasciam transapicalem dilatata, cincta. Incrassa- 

 tionibus marginalibus fasciæ evidentibus. Striis radiantibus sub 

 apices convergentibus. Fissuris terminalibus figuram "commatis" 

 præbentibus. 



Loc. Vester Elv, Thermometerfjeld. 



I have placed this form under Finn, divercjens because of the marginal 

 incrassations of the fascia. 



Pinnularia divergentissima Grun., CI. Syn., II. 77; V. H. Syn., 



Tab. VI, fig. 32. 



Loc. Hvalrosodde (2 sampl.), Vester Elv, Thermometerfjeld. 

 Arct. Distr. W. Greenl., E. Greenl., Fz. Js. Ld., Spb., B. El., J. M. 

 Pinnularia Legumen Ehr., Cl. Syn., II, 78; V. H. Trt., Tab. II, 

 fig. 98 (Nav. Legum.). 

 Loc. Vester Elv. 



Not before recorded from Arctic regions. Several other records. 

 The present form is a forma parva; long. 54^. 



Distantes CL, 1895. 

 Pinnularia borealis Ehr., Cl. Syn., II, 80; V. H. Trt., Tab. II, 

 fig. 77 iNav. bor.). 



Loc. Hvalrosodde (2 sampl.). Dove Bugt, Stormbugt, Stormkap, Vester 

 Elv (2 sampl.), Thermometerfjeld. 



Arct. Distr. W. Greenl., E. Greenl., Fz. Js. Ld., Spb., B. FL, J. M. 



Pinnularia lata Bréb., Cl. Syn., II, 81; V. H.Trt., Tab. II, fig. 76 

 (Nav. lata). 



Loc. Stormkaj). Thermometerfjeld. 



Arct. Distr. E. Greenl.. Fz. Js. Ld., J. M. 



Tabellarieæ Cl., 1895. 

 Pinnularia mesogongyla Ehr., Cl. Syn., II, 84; CL, Diat. Fini., 

 Tab. I, fig. 11. 



Loc. Hvalrosodde, Vester Elv (3 sampl.). 

 Arct. Distr. E. Greenl. 



Pinnularia stauroptera Grun. var. internipta Cl. forma parva, 

 CL Syn., II, 83; V. H. Tri., Tab. II, fig. 86 (Nav. staur. parva). 

 Loc. Hvalrosodde (2 sampl.), Lille Snenæs. 

 Arct. Distr. F. Greenl., Fz. Js. Ld. 



19* 



