117 269 
K Kt, TK, s.1. (6 samples). 
Area: Labuan, Bengal, Sierra Leone. 
forma minuta: Sierra Leone. 
5. @. transsylvanica Pant. var. disseminato-punctata Pant. Pant. 
Ung. III, tab. XXXV, fig. 511. Tab. nostr. I, fig. 2. 
Diam. 0,016 mm. 
Valve circular. Marginal strie 7 in 0,01 mm. Inframarginal 
puncta so arranged that they form sectors separated by structure- 
less interstices on the elevated part of the valve; on the depressed 
part they are more irregularly dispersed. 
LN (2 samples; only two specimens met with). 
Area: Képecz (fossil). 
Coscinodiscus Ehb. 
6. ¢. cocconeiformis A.S. var. tenuior A.S. A.S. Atl. tab. LVIIL, 
fig. 27. 
Found only in a sample from KKm. 
Area: Leton Bank (A.8.). 
7. ©. denarius A.S. A.S. Atl. tab. LVII, figs. 19—21. 
KKm, KCn, KMn—CLt (6 samples). 
Area: Campeachy Bank, Sansego, Madagascar, Antarctic Ocean. 
8. @. excentricus Ehb. V.H. Syn. tab. GXXX, fig. 4. 
KKt (5 samples). 
Area: ubiquitous. 
9. €. lineatus Ehb. V.H. Syn. tab. CXXXI, fig. 3. 
Found only in a sample from LN. 
Area: ubiquitous. 
10. €. minor Ehb. A.S. Atl. tab. LVI, figs. 39—40. 
KMn—CLt (1 sample). 
Area: ubiquitous. 
11. ©. nitidus Greg. var. sparsa Ratt. A.S. Atl. tab. LVI, fig. 17. 
KKm, KKt, KMn—CLt, LN (5 samples). 
Area: the main species: ubiquitous, 
var. sparsa: Campeachy Bank. 
12. €. nodulifer Janisch. A.S. Atl. tab. LIX, figs. 21—23. 
KKm, KKt, KCn, KMn—CLt, LN (17 samples). 
Area: dispersed, especially in the southern Seas. 
