462 



CLEVE, DIATOMS. 



mens 8 in 0,oi mm., but vary more dense. In a small speci- 

 men var. minor CI. from Pitlekaj Cape Deschnew (East Cape) I 

 counted 14 striae in 0,oi mm. 



A. angusta Greg. var. arctica Grun. (A. Diat. pag. 24, PL I, 

 fig. 29) Spitsb., Kara. 



A. Frofeus Greg. (Diat. of CI. pag. 518, PI. XIII, fig. 81) 

 Greenl., Bessel's Bay, Mushroom Point, Spitsb., Finm., Kara. 



var. hariana Grun. (A. Diat. pag. 24, PL I, fig. 7) Kara, 

 Cape Deschnew (East Cape), Greenland. 



A, rolmsta Greg. (D. of CI. pag. 516, PL XIII, fig. 79) Spitsb. 



var.? A. Schm. Atl. PL XXVII, fig. 44 — Greenl., Spitsb., 

 Cape Deschnew (East Cape). 



A. Erehi Ehb. (A. cymhifera Greg. Diat. of CI. pag. 526, PL 

 XIV, fig. 97, A. Schm. Atl. PL XXV, fig. 17, 18, 19, 33, 36, PL 

 XXVI, fig. 33, A. Leighsmithimia O'M.?) Stripe costate. — Greenl. 

 Mushroom Point, Spitsb., Finm., Kara, Cape Deschnew (East 

 Cape). 



A. cymhifera (Greg.?) CI. (A. Schm. Atl. PL XXV, fig. 35) 

 Striae composed of distinct puncta. — Greenl., Spitsb. 



One specimen from Greenl. measures in length 0,i2 mm. 

 and has 7 strioe in 0,oi mm. 



A. spedaUlis (Greg.?) A. Schm. (Atl. PL XL, fig. 20—23. 

 A. furcata Leuduger Fortmorel) Davis Strait. 



A. Grevilleana Greg. Finm. 



A. fasciata Greg. (Tr. M. S. V. PL I, fig. 36, D. of CI. PL 

 XIII, fig. 91) Finm. 



A. complexa Greg. (D. of CI. fig. 90) Spitsb., Brandewijne 

 Bay. — Strice composed of distinct puncta 12 ^/o in 0,oi mm. 

 on the valve, 17 in 0,oi mm. on the connecting membrane. 



A. Arais Greg. (T. M. Soc. V. pag. 75, PL T, fig. 37) Spits- 

 bergen, Hinlopen Strait. 



A. FAinotia CI. (D. of the A. S. pag. 21, P]. Ill, fig. 17) Greenl., 

 Finm., Spitsb,, Kara. 



Specimens from Spitsbergen have 7 V2 striae in 0,oi mm. 

 on the valve and 11 in the connecting membrane. 



A. crassa Greg. (D. of CI. pag. 524, Vl. XIV, fig. 94) Greenl., 

 Spitsb., Finm., Kara, Cape Deschnew (East Cape). 



A. suhinfiata Grun. (A. S. Atl. PL XXVI, fig. 49) Finm. 



A. pUccUa Greg. (T. M. S. V. pag. 70, PL I, fig. 31) Spitsb. 



A. (haltica Grun. var.?) arctica Grun. (CI. & M. Diat. No 

 172) Davis Strait. Not known to me. 



