— 147 — 



183. T. lepidoptera Grun. Perag. Diat. de Fr. tab. XXXIX, figs. 8 — 9. 

 KKm, KKt, KCg— KLm (7 samples). 



Area: Colon, Barbadoes, Gape Horn, Europe, Madagascar, Macassar, King 

 Georges Sound, Sumatra, Port Jackson, Ceylon, Samoa, Galapagos. 



1 84. T. maxima Greg. var. subalata Gl. Perag. Diat. de Fr. tab. XL, 

 fig. 6. 



Found only in a sample from KKt. 

 Area: Villefranche, Macassar Strait. 



Amphiprora Ehb. 



185. A. gigantea Grun. var. sulcata O'M. Perag. Diat. de France, 

 tab. XXXVIII, fig. 3. 



Found only in a sample from KKm. 



Area: Jamaica, Le Croisic, Banyuls, Baléares, Seychelles, Cape of good 

 Hope, Sumatra. 



Rhoieosigma Grun. 



186. R. compactum Grev. Perag. Pleuros. tab. X, figs. 5 & 7 — 8. 

 KKm, KKt, KMn-CLt (5 samples). 



Area: Honduras, West Indies, Europe, Red Sea, Port Jackson, Philippines 

 Java, Sumatra, Samoa, Tahiti, Galapagos. 



Mastogloia Thw. 



187. M. affinis Gl. Gl. Le Diat. I, tab. XXIII, fig. 19. 

 Found only in a sample from KKt. 



Area: Galapagos. 



188. M. affirmata Leud. Fortm. A. S. Atl. tab. GLXXXVIII, fig. 19. 

 KKt (3 samples). 



Area: Rodriguez, Ceylon, Philippines, Java. 



189. M. angulata Lewis. A. S. Atlas tab. GLXXXVII, figs. 9-11. 

 Perag. Diat. de Fr. tab. V, fig. 16. 



KKt (3 samples). 



Area: Honduras, Atlantic coasts of N. America, Mediterranean, Adriatic, 

 Black Sea, Red Sea, Billiton, Australia. 



190. M. apiculata W. Sm. A. S. Atl. tab. GLXXXV, fig. 43, 2 nd fig. 

 & tab. GLXXXVII, fig. 40. 



Found only in a sample from KKt. 

 Area: Europe, China, Borneo. 



10* 



