316 



TRANS. OF THE ACAD. OP SCIENCE. 



Section on Missouri River (continued). 



Description. 



Localities. 



101 



102 

 103 



1 6 



104 

 105 

 106 

 10 



108 



109 

 110 



117 

 118 



111 

 112 

 113 

 114 



115 

 116 



119 



120 

 121 



122 



123 

 124 



646 6 



655 



662 



678 

 683 

 686 

 691 

 697 



706 

 766 



767 

 768 

 768 

 769 



786 

 791 



823 



824 



835 



835 

 848 



866 6 



922 

 934 



Pyritiferous shale and pyritiferous lime 



stone. 

 Green argillaceous shale. 

 Coarse greenish-drab limestone, weathers 



to drab, is sometimes shaly on top. 



Shales, green near the top. 



Even-bedded brownish-gray limestone 



Green shales. 



Red shales. 



Green shales ; sometimes sandy at the 

 lower part. In the eastern part of An 

 drew Co. a bed of coal is seen varying 

 in thickness from 4" to 10"; towards 

 the Missouri River this bed thins 

 out. 



Ferruginous limestone, often appears like 

 a conglomerate. 



Sandy shales ; some argillaceous ; con- 

 tains concretions of carbonate of iron, 

 and 20 ft. from bottom a 9" bed of coal 

 crops out. 



Coarse grayish-blue limestone. 



Bituminous shales. 



Limestone like No. Ill, but more shaly. 



Thickly laminated calcareo argillaceous 

 shales ; abounds in Pr. eequicostatus. 



Argillaceous shales. 



Limestone, gray crystalline and tolerably 

 fine-grained. In upper part are found 

 many fossils — Pecten, Pr. Rogersii, Spi- 

 rifjera, &c. 



Shales, part sandy and part argillaceous. 



Blue shaly limestone and shales ; abound 

 in fossils — Brllerophon per carinatus, B. 

 Urii, B. Meekii, B. Grayvillensis, Mya- 

 lina subquadrata, Mylilus, Pinna, Ala- 

 chrocheilus, Pleurotomaria sphcerulata , 

 Murchisonia, Pr. Royersii, Nucula, Ar- 

 starte vera, Nautilus nodoso-dorsatus, 

 Crinoids, &c. 



Shales, blue above ; brown below, with 



some nodules of limestone, 

 Dark gray limestone, resembles No. 118. 

 Sandy shales ; 5 ft. from bottom is an 8 



inch bed of coal. 

 Gray limestone ; on exposure breaks 



into many small angular fragments ; 



generally appears in one bed. 

 Slope, probably all shales. 

 Shales. On head of Todd's Creek, in 



Platte Co., observed 

 1 — 2' blue limestone. 



3' thick at 

 Whitesville, 

 & 8 in south 

 part of Bu- 

 chanan. 



Amazonia. 



Wathena, S. 

 W. corner of 

 Andrew Co., 

 and below St. 

 Joseph. 



Quarries be- 

 low Saint Jo- 

 seph. 



6 miles north 

 of Weston, 

 near St. Jo- 

 seph road. 

 Mo. Bluffs a- 

 bove Iatan. 

 Lowest rock 

 in Andrew 

 Co. 



Weston. 



