462 CLEVE, DIATOMS. 
mens 8 in 0,01 mm., but vary more dense. In a small speci- 
men var. minor Cl. from Pitlekaj Cape Deschnew (East Cape) I 
counted 14 strie in 0,01 mm. 
ÅA. angusta Greg. var. arctica Grun. (A. Diat. pag. 24, Pl. I, 
fig. 29) Spitsb., Kara. 
ÅA. Proteus Greg. (Diat. of Cl. pag. 518, Pl. XIII, fig. 81) 
3reenl., Bessel's Bay, Mushroom Point, Spitsb., Finm., Kara. 
var. kariana Grun. (A. Diat. pag. 24, P1 I, fig. 7) Kara, 
Cape Deschnew (East Cape), Greenland. 
ÅA. robusta Greg. (D. of CI. pag. 516, P1. XIII, fig. 79) Spitsb. 
var.? A. Schm. Atl. Pl; XXVII,; fig. 44 — Greenl., Spitsb., 
Cape Deschnew (East Cape). i 
A. Erebi Ehb. (4A. cymbifera Greg. Diat. of Cl. pag. 526, PI. 
XIV, fig: 97, A.”BSechm. Awvl: PIF XOCVi enes, 8, 190530 
XXVI, fig. 33, A. Leighsnvithiana O'M.?) Strige costate. — Greenl. 
Mushroom Point, Spitsb., Finm., Kara, Cape Deschnew (East 
Cape). 
A. cymbifera (Greg.?) Cl. (A. Schm. Atl. Pl. XXV, fig. 35) 
Strie composed of distinct puncta. — Greenl., Spitsb. 
One specimen from Greenl. measures in length 0,12 mm. 
and has 7 strie in 0,01 mm. 
A. spectabilis (Greg.?) A. Sehm. (Atl. Pl. XL, fig. 20—23. 
ÅA. fureata Leuduger Fortmorel) Davis Strait. 
A. Grevilleana Greg. Finm. 
ÅA. fasciata Greg. (Tr. M; SNC BL Hi6Rb S6D ro CRR 
XIII, fig. 91) Finm. 
A. complexa Greg. (D. of Cl. fig. 90) Spitsb., Brandewijne 
Bay. — Strie composed of distimet puncta 12!/5 in 0,01 mm. 
on the valve, 17 in 0,01 mm. on the connecting membrane. 
A. Arcus Greg. (T. M. Soc. V. pag: 75, P1. I, fig. 37) Spits- 
bergen, Hinlopen Strait. 
A. Euwnotia Cl. (D. of the A. S. pag. 21, Pl. III, fig. 17) Greenl., 
Finm., Spitsb., Kara. 
Specimens from Spitsbergen have 7!/s strie in 0,01 mm. 
on the valve and 11 in the connecting membrane. 
A. crassa Greg. (D. of Ol. pag. 524, P1. XIV, fig. 94) Greenl., 
Spitsb., Finm., Kara, Cape Deschnew (East Cape). 
ÅA. subinflata Grun. (A. S. Atl. P1. XXVI, fig. 49) Finm. 
A. plicata Greg. (T: M. S. V. pag. 70, Pl. I, fig. 31) Spitsb. 
A. (baltica Grun. var.?) arctica Grun. (Cl. & M. Diat. No 
172) Davis Strait. Not known to me. 
