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-S>ie gJioUu^fcn ... 1 



3f)rc ©intfxflung in 6 gtaffcn 5 



ecfltc erajife bec 23?olIugfen. 



CEPHALOPODA .... 6 



1 Sepia 8 



Octopus — 



Polypus 9 



Eledon 10 



Argonauta 11 



Bellerophon ..... 13 



Loligo — 



Onychotheutis ... 15 



Seplola — 



Chondrosepia ... 16 



Sepia ....... — 



2. Nautilus 17 



Spirula ...... — 



Nautilus 18 



Orthoceratites . . , . 20 



<Btite 



S. Beleranites. ... — 



4. Ammonites. . . . Sl 



Ammonites — 



Orbulites'. ". . . . . 22 



Scaphites'. ' 22 



Baculites — 



Hamites — 



Turrilites — 



5, Nummulites . . . 23 



Siderolites 24 



tielicosteques .... — 



Ilelicosteques ammo- 



noi'des 25 



Helicosteques furhi- 



noi'des — 



Slycosteques .... — 



Enallosteques ... 26 



Zweite (Jfaffe Ut ^oUü^fm, 



PTEROPODA ..... 27 



1. Clio. . .■**.» ilpu.' ^ — 



S. Cymbulia .... 28 



