191 



1 Achnanthes turgens 



2 Amphora libyca 



3 ANAULUS scalaris 



4 Biddulphia ursin a 



5 Campylodiscus Clypeus 



6 Coscinodiscus Apollinis 



B. Kieselerdige Phytolitharia: 

 15 Spongolithis acicularis 16 Spongolithis Fustis. 



8. Durch die Sonde heraufgezogener Meeresgrund aus 270 Fa- 



thoms, = 1620 Fufs, Tiefe, in 63°, 40' S. B. 55 W. L. 



A. Kies eise haiige Polygastrica: 



21 GaUionella suicata 



22 Grammatophora africana 



23 — parallela 



24 — Serpentin a 



25 HEMIAULUS antareticus 



26 Lithocampe n. sp. 



27 Mesocena Spongolithis 



28 Navicula elliptica 



29 Podosphenia euneata 



30 Pyxidicula hellenica? 



31 Rhaphoneis fasciolata 



32 Rhizosolenia Calyptra 



33 — Ornithoglossa 



34 Stauroptera aspera 



35 Symbolophora Microtrias 



36 — Tetras 



37 — Pentas 



38 — Hexas 



39 Synedra Ulna. 



B. Kieselerdige Phytolitharia: 



40 Amphidiscus clavatus 47 Spongolithis Heteroconus 



41 Spongolithis acicularis 



42 — aspera 



43 — brachiata 



44 — Caput serpentis 



45 — Clavus 



46 — Fustis 



C. Kalkschalige Poly thalamia: 

 53 Grammostomum divergent. 



