. The Geology of Minnesota . or outline of the outer lip. (Compare with flg. 26.) Janesville,Wisconsin. Figs. 56 to 59 LOPHOSPIRA (? Seelya) lirata Ulrich 988 56 A specimen with numerous spiral ridges on the basal part of the volutions. Utica group, Newport, Kentucky. 57 Portion of the lower part, including the Viand, of the last whorl of same, x3. 58 Part of the last vphorl of a specimen of the form (var. obsoleta) having but a single spiral line beneath the peripheral band, x3. Also from Newport,Kentucky. 59 Upper surface of whorl viewed from above, x3, showing interpolation of striiE. •sinc
. The Geology of Minnesota . or outline of the outer lip. (Compare with flg. 26.) Janesville,Wisconsin. Figs. 56 to 59 LOPHOSPIRA (? Seelya) lirata Ulrich 988 56 A specimen with numerous spiral ridges on the basal part of the volutions. Utica group, Newport, Kentucky. 57 Portion of the lower part, including the Viand, of the last whorl of same, x3. 58 Part of the last vphorl of a specimen of the form (var. obsoleta) having but a single spiral line beneath the peripheral band, x3. Also from Newport,Kentucky. 59 Upper surface of whorl viewed from above, x3, showing interpolation of striiE. •since page 978 was printed we have come to the conclusion tbat this species is not distinct from Meelis PUuroUt-maria tropidophora (Pal. Oliio, vol. 1, p. 154. pi. XIII, figs. 6a and 6(1). Our references to the shell should therefore becorrected by elianging the name to Liiphospira tvophlDplwra Meeli sp. vuL. iir. ^.^ niEliKDGir i>^ M !t\Vi ahy (mXYTC%:Tra?yrM\. [(Sastp@p©da, Plate PLATE LXXIII. Page. Figs. 1 to -7 LOPHOSPIRA PBRANGULATA Hall Sp 912 I Apertural view of a rather large and 3 Opposite views of two small shells. 4 An unusually large specimen, the last whorl of which is and 6 Two specimens of the average size, the first with the apical angle a trifle widerthan Under side of a specimen showing the umbilicus. Stones River group (SaffordsCentral limestone), Murfreesboro, Tennessee. Fig. 8 LOPHOSPIKA ACUMINATA U, and S. (or var. of peranqulata) 973 An excellent specimen of this variety, from the Richmond group, near Rich-mond, Indiana. Fig. 9 LoPHOSPiRA CENTRALIS Ulrlch 979 Dorsal view of the largest and best of seven specimens of this species. SaffordsCentral limestone of the Stones River group, Murfreesboro, Tennessee. Fig. 10 LoPHOSPiRA DECURSA Ulrich 975 Anterior view of the best of two specimens, the outer side of the aperturerestored. Trenton group, Burgin, Kentucky. The comparative flatness of
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Keywords: ., bookcentury1800, bookdecade1890, bookidgeologyofmin, bookyear1897
