22 P. T. CLEVE, DIATOMS FROM BAFFINS BAY AND DAVIS STRATIT. / 
Land Diat. Pl. I f. 61; also a more typical specimen. &[. 0,08; 
B. 0,005 mm. Strie 24 in 0,01 mm. — Pl. I, 17, 18:00 
Nitzschia lanceolata var. pygmaa CL., identical with the 
form in Wankarema material (Vega Diat. p. 481). -L. 0,035 
to 0,047; B. 0,004 to 0,005 mm. Keel-puncta 12 in 0,01 mm. 
— Pl. I, 19, 20. 
Nitzsehia recta HANTZSCH. DL. 0,12; B. 0,05 mm. Keel- 
puneta 6 and strige more than 30 in 0,01 mm. — Pl. I, 34. 
Pinnularia ambigua CL. One specimen identical with the 
form from Cape Wankarema (Nav. retusa CL. Vega D. PI. 
XXANXNVI f£ 35). LDL. 0,06 mm. Strige 7 in 0,01 mm. Strig 
on the divisions of the connecting zone 24 in 0,01 min. 
Pinnularia quadratarea var. densestriata Ci. V. slightly 
biconstricted, with cuneate ends.  L. 0,04; B. 0,009 mm. 
Strige, 14, in 001 mm. —— Pl 18: 
