KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 27. N:0 3. 55 



2. N. connectens Grun. (1886). — V. elliptical or lanceolate, with rounded or cuneate ends. 

 L. 0,072 to 0,13; B. 0,035 to 0,038 mm. Lateral areas linear, ending at a considerable distance 

 from the end.s of the valve. Strise 8 to 9, puncta 10 in 0,oi mm. — N. Lyra var. connectens GtRUN. 

 in Pant. I Pl. XXIV f. 221. 



Marine: Atlantic City, N. Jersey, fossil (Deby Coll.)! Hungary, fossil (Pant.). 



3. N. H album Cl. N. Sp. — V. broadly elliptical, or almost orbicnlar. L. 0,07 6 ; B. 0,or,2 

 mm. Terminal fissures at a right angle to the median line. Lateral areas almost parallel, ab- 

 breviate, somewhat distant, producing in the middle of the valve a figure resembling the letter H; 

 Marginal .strise 14, axial strise 18 and puncta 16 in 0,oi mm. — Part I Pl. IV f. 8, 9. 



Marine: China (Van Henrck and Deby Coll.)! 



4. N. Schaarschmidtii Pant. (1886). — V. elliptical. L. 0,075 to O.13; B. 0,04 to 0,o65 

 mm. Lateral areas not sharply defined, with scattered puncta, and sometimes larger döts. Mar- 

 ginal strise 9 to 15 in 0, 01 mm. Puncta 10 to 14 in 0, 01 mm. Axial strise of 4 to 8 puncta. — 

 Pant. I p. 28 Pl. XIV f. 121. 



Marine: Hungary, fossil! Japan, fossil (Brun Coll.)! Maryland, fossil (Deby Coll.)! 

 This species is nearly akin to N. transfuga in the group Punctatse. 



5. N. reticiilo-radiata Temp. a. Brun (1889). — V. elliptical. L. 0,i; B. 0,o6 7 mm. Lateral 

 areas large, not .sharply defined, witli short undulating longitudinal rows of puncta. Marginal 

 strise 10 in 0,oi mm. Puncta about 8 in 0, 01 mm. Axial stria^ of single puncta. — D. fossiles 

 de Japon p. 44 Pl. V f. 4. 



Marine: Japan, fossil! China (Deby Coll.)! 



6. N. Stercus inuscaruni Cl. N. Sp. — V. elliptical. L. 0,072; B. 0,042 mm. Areas large, 

 lunate, not sharply defined, smooth in the middle and with scattered, larger puncta on their 

 sides. Marginal strise 10 in 0,01 mm., short, finely punotate. Axial .stria? 13 to 14 in 0, 01 mm. 

 very short. — Pl. I f. 27. 



Marine: China (Van Heurck Coll.)! 



7. N. prsBtexta Ehb. (1840). — V. elliptical. L. 0,04.1 to 0,19; B. 0,o3 to 0,n mm. Lateral 

 areas large, semielliptical, not sharply defined, with scattered puncta. Strise marginal, 6 to 8 in 

 0,01 mm. Puncta 9 to 10 in 0, 01 mm. Axial strise of 3 to 4 puncta. — Pinn. pr(et. Ehb. Ber. 

 1840 M. G. XIX f. 28. Nav. preet. Greg. D. of Clyde p. 481 Pl. IX f. 11. Donk. B. D. p. 10 

 Pl. II f. 1. A. S. Atl. III f. 31—34; CXXIX f! 7. V. H. Syn. p. 92 Pl. IX f. 13. Witt 

 Archangelsk D. Pl. IX f. 4. Jan. Gaz. Exp. XV f. 21. 



Marine: North Sea! Mediterranean Sea! Red Sea! Ceylon! Australia! Japan! Kerguelens 

 Land! Cape Horn (Petit)! Maeassar Straits! We.st Indies! North Carolina! Fossil: Archangelsk! 

 Moravian Tegel! Upper tertiary deposits of Hungary! Moi"on! Japan! Hayti (Truan and Witt), 

 Oamaru, N. Zealand! California! 



Var. ahundans A. S. (1888). — V. rhombic-elliptical. L. 0,i; B. 0,o7 mm. Areas not defined, 

 covered with puncta (4 to h in 0, 01 mm.) in connection with the puncta of the marginal .strise. 

 Marginal strise 6 in 0, 01 mm., their puncta 6 in 0,oi mm. — Atl. CXXIX f. 8. 



Marine: Monterey and S:ta Monica, Cal. fossil! 



Var. ahnormis Cl. — L. 0,14; B. 0, 075. Strise 11, puncta 14 in 0, 01 mm. Marginal strise 

 in the middle of the valve close, 14 in 0,i mm. 



Marine: Soandings, Lat. 12' 24 N., Long. 122° 15 Gr. (Rae Coll.)! 



Var. llaytiana Truan and Witt (1888). — L. 0,i6; B. 0,12 mm. Marginal strise 8 in O.oi 

 mm. No axial .strise. — N.- Haytiana Truan a. Witt Jeremie .D. p. 17 Pl. IV i. 9. 



Marine: Hayti, fossil (Truan a. Witt). 



