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Fig. 1.
19
ca
. Spirilerella Kama Bum. Store 35mm» Exemplar N460. 2mm
Tafel XI.
Spirifsrella scram“ Vznx. Venlmlkllppe. Share Bjfimflug. w“ N 459. Naturliche Grasse. ' Spiriferefla Keilllam‘ Bum, Venlrnlklappo. Store Bjamghp. Fanny“: N 461. Nawrliuhe Grfisse.
lithe Grflsse. . Spfi‘ifordla Pawn/um; Tmrm, Shore ijmekap. Exempllr N 480. Ram; licln- Grnase.