KONGL. SV. VKT. AKADEMIKNS HANDLINGAK. BAND 27, N:() 3. 65 



Var. liobertsoniana Grkv. (1K(5;)). — V. lanceolate. Margins usually with three to four 

 slight undulations. L. 0,i to 0,ir); B. (),().-)8 to 0,()(;.5 mm. Lateral areas linear, parallel, approxi- 

 mate. Strise 7 to 8, puncta 7 to !» in O.oi mm. — N Hob. GuEV. T. Bot. Soc. Edinh. Vol. Vlll 

 p. :>;}:) PL III f. 9. A. S. Atl. II f. 7. 



Marine: Ceylon! Singapore! Manilla! New Caledonia! Samoa! 



Forma hullata Cl. — L. 0,i(;r. ; B. (),07 nini. Stria; (5, puneta (i to 7 in (),o i umi. Latei'al 

 areas with a row of large puneta. 



Marine: Hongkong (Deby Coll.)! 



33. N. Durandii Kitton (1888). — V. lanceolate with elevated axial part. L. 0,32; B. 0, 1 

 mm. Lateral areas approximate, parallel, narrow. Strise 10 in 0,oi mm., very slightly radiate, 

 composed of elongated puncta, forming longitudinal straight rows, 4 in 0,01 mm. Axial strise 10 

 ill 0.(11 mm., composed of 2 to 3 puncta. — A. S. Atl. CXXIX f. 1. 



Marine: Singapore! Java (Deby Coll.)! 



Var. intermedia A. S. (1888). — V. elliptical-lanceolate. L. <>, ig; B. 0,(iG;i mm. Lateral 

 areas with a row of large puncta. — Atl. CXXIX f. 3. 



Marine: Singapore. 



Var. rhomhoides Castrac. (1886). — V. with triundulate margins. L. 0, 19 to 0,23; B. 0,o6 

 to 0,0 7 6 mm. Lateral areas with a row of large puncta. Strise 8 in 0,oi mm. — N. hullata var. 

 rhomb. Castrac. Voyage Challenger p. 30 PL XXX f. 17. N. Durandii var. rhomb. A. S. Atl. 

 CXXIX f. 2. 



Marine: Hongkong! Cebu (Rae Coll.)! Singapore (Atl.). 



34. N, Reichardtii Gnvs. (1879). — V. elliptical. L. 0,022 to 0,029; B. 0,oii5 to 0,02 mm. 

 Lateral areas linear, convergent towards the ends, in the middle united by the stauroid trans- 

 versely dilated central nodule. Strite 13 to 17 in 0,oi mm., very finely or indistinctly punctate. 

 On the part enclosed by the lateral areas are no, or indistinct, stria. — Cl. M. D. 208 to 210. A. 

 S. Atl. LXX f. 23 to 29. V. H. Syn. PL X f. 9. 



Marine: Norway, drip! Adriatic! 



Var. Tschntchschorum Cl. (1883). — L. 0, 1; B. 0,oog.t mm. Strise 13 in O.oi mm. — 

 N. nch. Vega p. 472 PL XXXVII f. 48. 

 Marine: (Jape Deschneff! 



35. N. pygmtea KtiTZ (1849). — V. hyaline elliptical. L. 0,o28 to 0,045; B. 0,oi6 to 0,024 

 mm. Lateral areas convergent and constricted in the middle. Strise fine, about 26 in 0,oi mm. — 

 Sp. Alg. p. 77. W. Sm. B. D. II p. 91. Donk. B. D. p. 10 PL I f. 10. A. S. N. S. D. I f. 43. 

 Atl. LXX f. 7. V. H. Syn. p. 94 PL X f. 7. A', minntula W. Sm. B. I). I p. 48 XXXI f. 2,74 (1853). 



Brackish water: Spitsbergen! Finmark! Sea of Kara! North Siberian Sea! Baltic! North 

 Sea! Magdeburg (Atl.), Argentina! Cralapagos Islands! 



36. N. foi'cipata Grev. (1859). — V. elliptical with rounded ends. L. 0,o4 to 0,o8; B. 0,02 

 to 0,026 mm. Median line with incrassate median pores. Lateral areas narrow, constricted in the 

 middle, with convergent ends. Stria; 13 in (),oi mm., finely punctate. — M. J. VII p. 83 PL VI 

 f. 10, 11. DoNK. B. D. p. 12. PL II f. 4. A. S. N. S. I)." I f. 45, II f. 16, 18. Atl. LXX f. 17. 

 V. H. Syn. p. 94 PL X f. 3. 



Marine: Greenland! North Sea! Mediterranean Sea! Black Sea! Red Sea! Cape of Crood 

 Hope! Nicobar Islands! Philippines! California! Galapagos Islands! Florida! Fossil, Hungary (Pant.). 



Var. punctata Cl. — L. 0,o(;; B. 0,02.-) to O.o.-i mm. Strite 10 in 0,oi mm. punctate, puncta 

 10 to 16 in 0,01 mm. 



Marine: Morocco! Seychelles (Van Heurck Coll.)! Manilla (Deby Coll.)! 



K. Sv. Vet. .\ka.J. Handl. Bund 'l . N:o 3. 9 



