36 p. T. CLEVE, SYNOPSIS OF THE NAVICULOIU DIATOMS. - 



95. N. Rhaphoueis (Ehb. 1854?) Grun. (1866). — V. rhombic-lanceolate. L. 0,027; B. U.oii 

 mm. Axial area indistinct; central area small. Striae 8 in 0,oi ram., radiate in the middle, trans- 

 verse at the ends, coarsely lineate; lineolse about 20 in 0,oi mm. — Pinnularia liliaph. Ehb. M. (t. 

 XXXV: 9, f. 7? N. Rhaph. Grun. Novara p. 19. Icon. n. PI. I f. 30. N. Pacifica Grun. Nov. 

 PI. I f. 17. 



Marine: Samoa! Tahiti (Grun.), Jamaica! 



96. N. Bruchii Grun. (1881). — V. lanceolate, acute. L. O.044 to 0,o6; B. 0,012 to 0,oi8 

 mm. Axial and central areas uniting in a narrow, lanceolate space. Stria 7 in 0,oi mm. abbreviate, 

 and radiate in the middle, transverse at the ends, lineate; lineolee 18 in 0,oi mm. The striie are 

 crossed by a narrow longitudinal band. — Cl. N. R. D. p. 13 PI. Ill f. 35. 



Marine: Labuan! Manila (Deby Coll.)! China (Thum.)? Tahiti (Grun.). 



97. N. multiseriata Grun. (1881). — V. lanceolate, with protracted ends. L. 0,04; B. 0,012 

 mm. Axial and central areas indistinct. Striae 9 in 0,oi mm., slightly radiate, crossed by two 

 narrow longitudinal bands. — Cl. N. R. D. p. 13 PI. Ill f. 36. 



Marine: Tongatabu (Grun.). 



98. N. Aiiiicorum Grun. Ms. — V. elliptic-lanceolate, acute. L. 0,oi55 to 0,o38; B. 0,oo8 

 to 0,0 15 mm. Central pores approximate. Axial and central areas uniting in a lanceolate space. 

 Striae 8 to 9 in 0,oi mm. radiate throughout, coarsely lineate. Lineoke 20 in 0,oi mm. — PI. I f. 31. 



Marine: Tahiti! Galapagos Islands! 



Var. madaffascarensis Cl. — V. lanceolate. L. 0,065; B. 0,oi3 mm. Striae 8 in O.oi mm., 

 radiate in the middle, elsewhere parallel. 

 Marine: Madagascar (V. H. Coll.)! 



99. N. nicseensis Perao. (1888). — V. rhombic-lanceolate, obtuse. L. 0,055; B. 0,oi5 mm. 

 Axial and central areas uniting in a lanceolate space. Striae 10 in 0,oi mm., radiate throughout, 



granulate). — D. de Villefr. p. 46 PI. II f. 8. 

 Marine: Mediterranean Sea (Peragallo). 



100. N. Platessa Cl. (1881). — V. broadly lanceolate, with acuminate ends. L. 0,o28 to 

 0,03; B. 0,0 15 to 0,0 18 mm. Median pores approximate. Terminal nodules di.stant. Axial and 

 central areas uniting a large, lanceolate space. Striae 8 in O.oi mm. lineate, lineolse 20 in 0,oi 

 mm. — N. R. D. p. 9 PI. 1 f. 12. 



Marine: Galapagos Islands! 



101. N. Sti ThoiliJe Cl. (1878). — V. lanceolate with triundulated margins and rostrate ends. 

 L. 0,055 to 0,061 ; B. 0,02 to 0,025 mm. Central pores approximate, terminal nodules near the 

 margin. Axial and central areas uniting in a large, lanceolate space, considerably dilated in 

 the middle. Striae 6 in 0,oi mm., radiate throughout, distinctly lineate. — West Ind. D. p. 6 

 PL I f. 4. 



Marine: We.st Indies! 



102. N. Jamalinensis Cl. (1880). — V. elliptical, with broad, rounded ends. L. 0,o3 to 

 0,065; B. 0,016 to 0,027 mm. Median pores approximate; terminal nodules very distant from the 

 ends. Axial and central area uniting in a very large, lanceolate space. Striae 7 in 0,oi mm. 

 radiate throughout, coarsely lineate; lineolce about 20 in 0,oi mm. — A. D. p. 13 PL II f. 40. 



Marine: Sea of Kara! Cape Deschneif! China! Indian ocean (Grove Coll.)! 



Var. simicevuUus Brun (1891). — L. 0,o5 to 0,06; B. 0,024 to 0,o3 mm. Striae 5 in 0, 01 mm- 

 Median line somewhat asymmetrical. Area with a large dot on each side of the median line. — 

 N. simicevuUus Brun D. especes n. p. 39 PL XVI f. 13. 



Marine: Japan, fossil (Brun)! 



