rEOA-BXrEDITIONBNS VETENSKAPhlaA ASBETEN. 



461 



The fig. previously published by myself is taken from 

 balsam-mounted specimens and not sufficiently exact, for which 

 reason I have drawn a new sketch of the upper and lower 

 valves PI. 35, fig. 3 a, lower valve, h, upper valve. 



A. (hungarica Grun. var.?) jamalinensis Grun. (A. Diat. 

 pag. 20, PI. I, fig. 4) Kara. 



A. (?) tceniata Grun. (Arct. Diat. p. 22, PI. I, fig. 5) Kara. 



var. ? hyperhorea Grun. F. J. L. 



A. delicatula (Kg.) Grun. (Van Heurck Syn. PI. XXVII, fig. 

 3 — 4) Greenl., Bessel's Bay. 



4. Amphoreae. 



'Amphora Icevis Greg. (Grun. Arct. Diat. pag. 24, PI. I, fig. 

 8) Kara. 



A. Icevissima Greg. (D. of CI. pag. 513, PL XII, fig. 72) 

 Kara, Finm. 



A. ostrearia Breb. (A. Schm. Atl. PI. XXVI, fig. 23) Finm. 



var. nova caledonica Grun.? (A. Schm. Atl. PL XXVI, fig. 

 24) Davis Strait. 



var. vitrea CI. (Ofvers. af K. Sv. V. Ak. Forh. 1868, pag. 

 237, PL IV, fig. 5^) Spitsb. — Length 0,085 mm. Br. 0,068 mm. 

 Striae, composed of distinct puncta, 9 in 0,oi mm., on the con- 

 nect, membrane 11 in 0,oi mm. 



A. ocellata Donk. var. jamalinensis CI. & Grun. (A. Diat. 

 pag. 24, PL I, fig. 6) Kara. 



A. Wdssflogii A. Schm. (Atl. PL 25, fig. 59) Davis Strait. 

 Length 0,o6 mm. Striae costate, 10 in 0,oi mm. 



A. acuta Greg. (D. of Clyde, pag. 524, PL XIV, fig. 93 and 

 93 b.) Greenl., Spitsb., Finm. 



A. hyalina Ktitz. (A. Schm. Atl. PL XXVI, fig. 52—55) Spitsb. 



A. lineolata Ebb. Kara (sec. Grun.) Small form with 20 — 

 21 striae in 0,oi mm. 



A. lineata Greg. (A. Schm. Atl. PL XXVI, fig. 59, A. granu- 

 lata Greg.?) Greenl., Bessel's Bay, Spitsb., Finm., Kara. 



A. tenera W. Sm. (Syn. I, pag. 20, PL XXX, fig. 252)? Finm. 



A. coffeceformis Kiitz. (A. S. Atl. PL XXVI, fig. 56—58) Kara. 



A. lanceolata CI. (Ofvers. K. Sv. Vet. Ak. Forh. 1867, pag. 

 667, PL XXIII, fig. 2) Greenl., Finm., Spitsb., Kara. 



Valve acute, median line straight, strise costate, parallel 

 in the exterior, more or less radiant in the interior part of the 

 valve not reaching the median line. Striae in typical speci- 



