IOWA ACADEMY OF SCIH:NCES. H 



MEETING OF JANUARY 1, 1891. 



S. E Meek — "The Occurrence of Lepns Cainpentria in Muscatine County." 



" Two Cases of Albinism." 

 J. E. Todd — "Observations on Concretions and Lignilites." 

 L. \V. Andrews — "The Separation oFTin and Tantalum." 

 L. H. Pammel,—" Structure of the Seed C^ats of Crotahiria saglitalU and 



Astragalus molUssimns.'''' 



R. E. Call—" Sketch of the Life and Work of Dr. C. C. Parry." 



C. C. NUTTINC4— "Same of the Cuises and Results of Polygaaiy Among the 



Pinnipedia." 



MEETING OF SEPFEMBER 3, 1891. 



G. E. Patrick— "Composite Milk Samples in the L iboratory." 



G. E. Patrick and D. B. Bisbee — "'A New Distilling Flask for Use in the 

 Kjeldahl Process." 



R. E. Call—" On the Tertiary Silicified Woods of Eastern Arkansas." " E.xhi- 

 bition of a Hydrographic Map of Iowa." 



L. H. Pamm EL— " Vegetation Alons the Mississippi from Terapleleau, Wis- 

 consin to Dubuque, Iowa." " Fungi from Various Localities." 



Herbert Osborn— " Notes on Some Carboniferous Fossils from .Tackson 

 County, Iowa," with Exhibition of Specimens. 



MEETING DECEMBER 29 AND 30, 1891. 



C. C. Nutting — Address, "Systematic Zoology in Colleges." 

 J . E. Todd — " Striation of Rocks by River Ice." "Further Notes on the Great 

 Central Plain of the Mississippi." 



L. H. Pam.mel — " Bacteria of Milks, with Exhibitionsof Cultures." " Report of 

 Committee on State Flora." "Phrenological Notes." "Experiments in the Pre- 

 vention of Corn Smut." 



F. M. Witter-" Notice of an Arrow Point from the Loess in the City of Mus- 

 catine." "The Gas Wells near Letts, Iowa." 



G. E. Patrick — " Sugar Beets in Iowa." 



R. E. Call — "An Abnormal Hyoid Bone in the Human Subject," with exhibi- 

 tion of specimen. 



Herbert Osborn — "The Orthopterous Fauna of Iowa." "Notes on Certain 

 Iowa Diptera." (By title.) 



Herbert Osborn and H. A. Gossard— "Notes on the Life History of Agallia 

 Sanguineolenta." 



W. B. NfLES- "The Action of Disinfectants on Nutrient Media." 



Charles R. Keyes — "Geological Structure and Relations of the Coal-bearing 

 Strata of Central Iowa." " Brick and Other Clays of Des Moines." "Aluminum 

 in Iowa." 



Erasmus Haworth — " Notes on Missouri Minerals. (1) Melanite in a Basic 

 Dike Rock, and (2) Limonite Pseudo Morphs after Calcite." " Prismatic Sandstone 

 from Madison County, Missouri." 



H. L. Bruner—" Aboriginal Rock Mortar.'' 



