. The Geology of Minnesota . harply ilitlnnd antiilnr and Tlm part nf a lilimn nf a Inft valvn, X J, hIiiiwIiik arraiiKniiinnt nf tlm dniillrliH, MmHliarply nlnvalnd niilnr inarKln and tlm IlKainnntal ami nn Mm rli;lil Midniif tlm linalt. IiIkh. 102 In Hill. (IriiiNiiiioNrA IMrlnli (104 1112. illiiKn nf a Inft valvn nf tlilH HpnnInN, X 2, HliowliiK tlio prlnnlpiil fiiatiiroH upon wlilch tlilR HpitnUm Ih Hnparalnil friiiii (. irciiriii. (Hnn 11k. 101.)l(i;t. Tlm Inft Hliln nf a Hpnnlnmn, hIiiiwIiik tlm iiHilal fnriii nf Mm HpnnlnH. Minn. Mnnl.
. The Geology of Minnesota . harply ilitlnnd antiilnr and Tlm part nf a lilimn nf a Inft valvn, X J, hIiiiwIiik arraiiKniiinnt nf tlm dniillrliH, MmHliarply nlnvalnd niilnr inarKln and tlm IlKainnntal ami nn Mm rli;lil Midniif tlm linalt. IiIkh. 102 In Hill. (IriiiNiiiioNrA IMrlnli (104 1112. illiiKn nf a Inft valvn nf tlilH HpnnInN, X 2, HliowliiK tlio prlnnlpiil fiiatiiroH upon wlilch tlilR HpitnUm Ih Hnparalnil friiiii (. irciiriii. (Hnn 11k. 101.)l(i;t. Tlm Inft Hliln nf a Hpnnlnmn, hIiiiwIiik tlm iiHilal fnriii nf Mm HpnnlnH. Minn. Mnnl. ,Miir. Miih. )1 III lliil. Laliral, i-arillnal and piiHtnrlnr vlnwH of a Hpnrliiiiin liavliiK an nutllim vnry Hlnillar In that ofil rifiiroii. Hut Mm alinniinn nf antnrlnr hiiIiiih, tlin Kmatiir nniivnxlty of ItH valvoH and tlinUwH Hliarply dnlliind liiimllnfl arn all IliaraitnrlHtIn nf (. «(l»(((ii and priivi ilH ilNtlnil ihihs friiiii(), rrriiiiii. Vol. III. ?) La-melltlirarichiaLa I Plate PLATE XLIII. Unless otherwise staled all the figures are niagnifled about twenty diameters. Paqe. Figs. 1 to .3. Lepbrditella canalis, n. sp 637 Anterior lateral and ventral views of a left valve. Lower Trenton limestone,Mifineapolis, Minnesota. Figs. 4 to 6. Lepekditella PERSiMiLis, n. sp 637 The right side, anterior and ventral views of a rather small specimen. Middlethird of the Trenton shales, Minneapolis, Minn. Figs. 7 to 9. Lbpekditella MACKA, n. sp 638 The right side, anterior and ventral views of the specimen described, showingthe remarkably compressed character of the anterior part. Middle third ofthe Trenton shales, Minneapolis, Minn. Figs. 10 to 14. Leperditia FABULITES Conrad 634 10. Cast of the interior of the larger (right) valve, showing impressions of the twosets of internal papillte along the ventral margin, x 2. Lower Trenton lime-stone, Minneapolis, to 14. Dorsal, ventral, right side, and posterior views, x 2, of an excellently pre
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Keywords: ., bookcentury1800, bookdecade1890, bookidgeologyofmin, bookyear1897
