KONGL. SV. VET. AKADEMIENS HANDLINGAR. BAND. 35. N:0 5. 27 



Orthoneis bipunctata Grun. Sumba rr. 



O. fimbriata Btw. Bali Sound r. 



O. Horvathiana Gkun. Bali Sound r. 



O. o vata Grun. Sumba rr., Java r. 



Stiginaphora capitata Brun. Billiton rr. 



Amphiprora margine-pimctata Cl. Java rr. 



Auricula inaecta Grun. Semau Suund, Gaspar Sound r. — L. 0,on, Br. 0,05 mm. 

 Carinal puncta 10, longitudinal divisions of the zone 6 in 0,oi mm. Valve with some few 

 scattered puncta. Striation exceedingly fine. 



A. complexa Greg. Bali Sound, Timor, Gaspar Sound, Mendenao, Semau Sound, 

 as a rule rare. — L. of the frustule 0,io, Br. 0,09 mm. Carinal puncta 5 — 6, striaä 12 

 — 14 in 0,01 mm. 



A. jmnctata Pant. Billiton rr. 

 Tropidoneis maxima Greg. Java r. 



Dictyoneis marginata Lewis. Bali Sound, Java r. (form. typica, Clevei). 



D. Thumii Cl. Java rr. 



Pleurosignia Peragalli Brun. Bali Sound rr. 



P. naviculaceum Bréb. Bali Sound, Java c. 



F. rigidum W. Sm. Java c. ' . 



F. acutum Norm. Billiton rr. 



F. rhombeuni Grun. Java rr. 



F. formosum W. Sm. Java r. 



Caloneis blanda A. S. Billiton r. ■ 



C. exirnia Grun. Java rr. 



C. Hardmaniana Cl. Java. rr. 



C. liber W. Sm. Billiton, Bali Sound, Java c. 



C. rnadagascarensis Cl. Java rr. . , ■ 



C. musca Greg. Bali Sound, Billit(m, Java -)-. 



C. op>hiocephala Cl. & Grove. Bali Sound, Java r. -'•.■.'.'<; 



C. (Castracanei v.) Fetitiana Grun. Bali Sound rr. ■•<:■■'- 



C. robusta Grun. Java ?-. ' ■ 



C. samoensis Grun. Billiton r. 



C. Wardii Cl. Billiton rr. (L. 0,065, B. 0,(ii!s mm. Striie 17 in 0,oi mm.). 

 Cymatoneis sidcata Grev. Bali Sound, Java r. 



Diploneis suborhicularis Greg. Billiton, Bali Sound, Java +• 



D. advena A. S. Java r. 



D. splendida Greg. Bali Sound, Java -|-. 



D. bombus Ehb. Java c. 



D. chersonensis Grun. Bali Sound, Billiton, Java c. ■ ■ ■ ' 



D. Weissflogii A. S. Billiton, Bali Sound r. ' . 



D. notabilis Grev. Java c. 



D. Grceffi Grun. Bali Sound, Java r. • 



B. fusca Greg. Billiton, Java r. • ■ . ; 



