IQ IOWA ACADEMY OF SCIENCES. 



This has been j^euerously granted, and the following act, approved 

 by the Governor April 22, 1892, sets forth the conditions and methods- 

 of publication: 



Be it enacted hij the General Assemhly of the State of Iowa: 



Section I. The s^ecretary of the State Horticultural Society is hereby author- 

 ized to include in his annual report to the Governor, as an appendix thereto, the 

 proceedings of the Iowa Academy of Sciences, the same to be printed and bound 

 with the retorts of the said society . 



Sec. il. This, act beiug deemed of immediate importance, shaU take effect on and 

 after its publication in the loira State Recji^ttr and Des Moines Leader, newspa- 

 pers published in Des Momes, Iowa. 



The present part, which wnll be denoted Part II, of Volume I, will 

 embrace the proceedings of the meetings held during the years 1890-91^ 

 and brins the work of the Academy up to date. The next meeting of 

 the Academy will be held in Cedar Kapids, during the week of the 

 State Teachers' Association. 



Arrangements have been made for the preservation of the books and 

 papers belonging to the Academy in the rooms of the State Horticul- 

 tural Society, and it is believed, with this opportunity for the perma- 

 nent preservation of the Academy exchanges, and the facilities for 

 publication now afforded, that tlie Academy will enjoy renewed growth 

 and accomplish more fully the objects aimed at by its promoters. 



Meetings have been held and papers read during 1890 and 1891 as 

 follows: 



MEETING OF SEPTEMBER 5. 1890. 



F. M. W iTTER— President's Annual Address. 



C. P. Gillette— " Gall Producing Cynipidaj of Iowa." " Oviposition of 

 Amomalon." "Egg-laying of Apple Curculio." " A New Cecidomid Infesting 

 Box- Elder." 



C. R. Keyes— "Evolution of Strophystylus." "Age of the Iowa City Sand- 

 stone." " Notes on the Red- rock Sandstone." 



R. E. Call — "Two Quarternary Sections near Des Moines." "Preliminary 

 Notes on Fishes of Polk County and Central Iowa," with Exhibition of Specimens. 



R. E. Call and C. K. Keyes— "On a Quarternary Section Eight Miles South- 

 east of Des Moines." 



Herbert OsBORN—" Abnormal Pelage in Lepiis Si/lraticus." "Additions to 

 Catalogue of Iowa Hemiptera." "Notes on the Life History of Certain 

 Hemiptera." 



J. E. Todd — " Further Notes on the Geology of Northwest Iowa." " Exhibition 

 of Volcanic Ashes from Omaha, Nebraska." " The Shore Lines of Ancient 

 Glacial Lakes." 



L. H. Pammel— "The Woody Plants of Western Wisconsin; A Contribution to 

 the Local Flora ot Lacrosse, VViscontin." "Introduction of Weeds." Some 

 Parasitic Diseases of Iowa Forage Plants." " Plum Scab." 



S. E. Meek—" Fishes of the Cedar River Basin." 



