TABLE OF CONTENTS. 
Letter of Transmittal by the STATE GEOLOGIST. 
Letter of PRESIDENT JOHN S. PiLusBuRY of the Board of Regents. 
INTRODUCTION. 
Historical sketch of investigation of the Lower Silurian in the Upper Mississippi Valley. Page. 
BYANey Esa WiEN CHG Gunde Hrs Oy WiRIC Hie tees. tolesslcray crap stersie ataloraitatvavel= puvorel sieves eaveterst tee evens roses) ole ret ix to liii 
CHAPTER I. 
Cretaceous fossil plants from Minnesota. By LEO LESQUEREUX. ............0e ener eee ceeenees 1to 22 
CHAPTER Il. 
The microscopical fauna of the Cretaceous in Minnesota, with additions from Nebraska and 
Illinois. By ANTHONY WOODWARD and BENJAMIN W. THOMAG..................e005- 23 to 52 
Note on other Cretaceous fossils in Minnesota. By N. H. WINCHELL............. 0.00.00 eee eee 538 to 55 
CHAPTER III. 
Sponges, Graptolites and Corals from the Lower Silurian in Minnesota. By N. H. WINcHELL 
ANCE CHAR EMSs S CHU CO ELER Ds atscy-cersevelaete ters aioe nae sles Slee toke Neislans flee elelavel Sido) crake ohensje leet ereeiere 55 to 59 
CHAPTER IV. 
On Lower Silurian Bryozoa of Minnesota. By B. O. UbRICH.............cceccceeeec cece ecsseees 96 to 332 
CHAPTER V. 
The Lower Silurian Brachiopoda of Minnesota. By N. H. WINCHELL and CHARLES SCHUCHERT. 333 to 474 
IG So andoreoatodcGn doolbendocdod conoea OhD UDOOeordE Can Snannce aCe nt aoa cca ho cSepedtauntoracrH ses lvii to xxv 
Map showinp bherarearo phe iow era sulunlamen ois <cieiss jets sislere isis cis elavstsle ciel sisiejelcley feictsrsiele ele elelarclerers Frontispiece 
PlatesrAs and Ba Oretaceous: HOLA ess .ereicieues eisccrereierets/sttelciavece eehela re elovatoyalayere cue/aVavahs lars entre win elaveviveciers After page 22 
PlatesiC al) plus Crefaceousml OFamMiMifera crepes teri versie sieystelcerstoreiere re oieistesinvevenesstonefelevers\ciefevevcretctekets After page 52 
Plates F, G@. Sponges, Graptolites and Corals. ............... rrtalistar ates Nobeis lalate lnisteusiorcieesd seereheher fe After plate E 
PAGES 287m BTY.OZ0 dieereeirerccccssircies trois avey elcrelane re ies asi cve niate oi aves a's alah a aieis mie apstetora Sata aallae Meee eta pelsts After page 332 
Plates 29-34. Brachiopoda............:-2..++.+-- TOD A OAD CORA cE Oaae hea cboainae- anecice soner After page 474 
(Note. Each plate is accompanied by a full description]. 
