i'af. fflll 





f M^ 



Wjl ^ j üUggwM i Wim" i 



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^ >^ (T (p r 

 '- r r f 



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Iv^ 



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.1 V J I.fluiliaTdt mMainz 



lflftesl)3äc7i, Yerla^ v.Rreldel feNiedner. 



JBXol1)Ll)i 



■ Spirifer macropterus Qoldftypus. 

 ? - - var mucroncctus, Sandb 



var. micropterus, Goldf. 



cuhrijugatus, F Hoemer 



tmhricato - lamellosus^ Sandb. 



muralis , Murch. Vern Keys 



bifidus ^ F.J.Jioemer. 



8 Spirifer kaeroclytus , Defr. sp. 



9 quadriplicatus , Sandb 



]0 Simplex, ThiLl. 



]]. Spirtgera. conctntrica , v Buch sp . 



J2 gracilis, Sandb. 



/3. fentcL , V Buch . sp . 



/4 '^ Spirigerina Upida , uoldf. 



