74 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUM. 



Page. 



Prothyris, Meek .' 223 



P. elegans, Meek, 1871, pi. x, figs. 9 a, h : 223 



Solenopsis. McCoy 223 



S. solenoides, Geinitz, sp., 18C6, pi. x, fig. 3 223-224 



Oagteropodn, Cuvier. 



DeiUalivm, Linnncus 224 



D. meek-ianvm, Geinitz, 1866, pi. xi, flgs. 16 a, 6 224 



Bellenrphon, Montfort 224 



B. carbonarius, CoK, 1857, pi. iv, fig. 16, pi. xi, figs. 11 a-c 224-225 



B. montfortianiis, Norwood <t Pratten, 1855, pi. xi, fig. 15, aud 12? 225-226 



B. marcouianus, Geinitz, 1866, pi. iv, fig. 17, and pi. xi, figs. 13 o, & 226-227 



B. percarinatus, Conrad, 1842, pi. xi, fig. 14 227 



Platyceras, Conrad 227 



P. nehrascensis, u. s., Meek, 1872, pi. iv, flgs. 15 a, 6 227-228 



Macrocheilus, Phillips 228 



M. intercalaris var. pulchellus, M. &. W., 1860, pi. vi, fig. 8 228 



Orthonema, M. & W 228 



O. subtaeniata, Geinitz, sp., 1866, pl.xi, fig. 10 228-229 



Adit!, Loven 229 



A. swalloviana, Geinitz, sp., 1866, pi. xi, figs. 7 a, 6 229-230 



Straparolliis, Montfort 230 



S. (Exwmphalus) rugosus, Hall, 1858, pi. vi, figs. 5 a, b, and pi. xi, figs. 4 a, b 230-231 



Pleurotoniaria, Defiance 231 



P. haydeniana, Geinitz. 1866, pi. xi, fig. 5 231 



P. pcrhumerosa, n. s., Meek, 1872, pi. iv, figs. 13 a, 6 232 



P. inornata, n. s.. Meek, 1872, pi. iv, fig. 14 232-233 



P. grayvillensis, Norwood &. Pratten, 1855, pi. xi, fig. 9 233 



P. marcouiana, Geinitz. 1866, pi. xi, fig. 8 233 



P. subdecussata, Geinitz, 1866, pi. xi, fig. 19 233 



Murchisonia, de VemeuU 234 



M. nebrascensis, Geinitz, 1866, pi. xi, fig. 6 234 



Cephalopoda. 



Orthoceran, Auct 234 



O. cribrostim, Geinitz, 1866, pi. xi, figs. 18 a, 6 234 



Natitilug, Linn 234 



,V. occidentalis, Swallow, 1858, pl.xi, fig. 17 234-236 



N.ponderosus, White, M.S., 1872, pi. iii, figs. 7 a, h 236 



Articxdata. 



Crustacea. 



Cythere, Miiller 237 



C. nebrascensis, Geinitz, 1866, pl.xi, figs. 2; and S a,bf 237 



Cythere, sp., pi. xi, flgs. 1 a-d > 237 



PhiUipsia, Portlock. 237 



PhilUpsia, sp., Geinitz, 1866, pi. iii, flgs. \a,b 237-238 



P. scitula, M. &.^V., 1865, pi. vi, fig. 9 238 



P. major, Sliumard, 1858, pi. iii, figs. 2 a-c 238-239 



Meek, F. 13. [Geological reports on Miller, Morgan, aud Saline Counties, Missouri.] 

 <^RpI»orts on the Geological Survey of the State of Mi8.souri, 1855-71, by G. C. 

 Broadhead, F. B. Meek, aud B. F. Shumard, chapters vii-ix, pp. 111-188. Jeffer- 

 son City, 1873. 



Geological maps of Miller and Morgan Counties accompany these repcrtn. 



Chaftek VII. 



Page. 



Miller County 112 



Streams 112 



Springs 114 



Timber 115 



Geological structure of Miller County 115 



Quaternary system. — Alluvium 117 



Carboniferous system 118 



Lower Silurian rocks. ^-Saccharoidal sandstone 118 



