PLATE I. 



Fis. 



1. 



'2. 



3. 



4. 



5. 



6. 



7, 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 

 16. 

 17. 

 18. 

 19. 

 20. 

 21. 

 22. 

 23. 

 24. 

 25. 

 26. 

 27. 

 28. 

 29. 

 30. 

 31. 

 32, 



Page. 



Aniphiprora paludosa var. subsaliua Cl. — Arteni, •^•"^/j 14. 



A. alata var. japoiiica C'L. — Japan, ^"% 16. 



A. margine punctata C'L. — Japan, ^""Z, 17. 



A. Bi-ebissoniana Grev. — Sendai, ■^''"/, 17. 



A. lata Grev. — Balearic Islands, -^""/j 17. 



A. gigantea Grun. — Macassar Straits, ^""/, 18. 



8. Auricula minuta Cl. — Bohusliin, i"""/, 21. 



Scoliopleura elegans Cl. — Java, ^•'"'/i 105. 



Cyinatoneis circuuivallata Cl. — Labuan, i'*""/! 76. 



>/ ' ) » Japan, lo^o/j ^^ 



C. sulcata Grev. — Madagascar, •'^''% : 75. 



» var. — Japan, i"""/, • 75. 



Scoliopleura Peisonis Grun. — Utah, J"""/, 105. 



Diploneis bioculata var. vittata Cl. — Ceylon, *•'"/, 80. 



Scoliotropis Gilliesii Cl. (schematic) ■ — Jamaica, *'"'/, 72. 



Diploneis inscripta Cl. — China, ^'"'/i 80. 



D. Letourneurii Cl. — Ceylon, •^'"'/, 83. 



D. fusca, var. Van Heurcki'i Cl. — South Sea, """'/, 94. 



D. Schmidtii Cl. — Galapagos Islands, -^o"/, . . . ' 89. 



,) ■» — Seychelles, •'''"'/, » 



D. bomboides var. madagascarensis Cl. — Madagascar, ^""/i 88. 



D. fusca var. japonica Cl. — Sendai, ^""/j 94. 



xNavicuIa Ny Cl. — Java, '"""/i 75. 



Diploneis chinensis Cl. — China, ^°°/^ 89. 



D. bombiformis Cl. — Macassar Straits, ""*7i 87. 



D. subovalis Cl. — New Zealand, 'O""/, 96. 



D. areolata Cl. — S:ta Monica, ^oo/^ 91. 



D. Clepsydra CL. — Madagascar, ^"°/, 87. 



Navicula lauta Grun. — South Yarra, ^""/j Part 11. 



Cistula Lorenziana Grun. — Campeachy Bay, '"""/i 124. 



33. Navicula mediterranea Brun a. Cl. — Naples, ^""/i P^""* ^^- 



