CONTENTS. 



Page 



Officers of the Academy, 1877, p. (v) ; 186S 3 



Members (vi) 



Charter 5 



Constitution 7 



By-laws ^- 



Engelmann, G — Notes on the Genus Turca 17, 210, 371 



Riley — On a new Genus in the Lepidopterous Family TineidcB, with 



Remarks on the Fertilization of Yucca 55 



Walsh, B. D. — Descriptions of North American Hymenoftera, with 



Notes by E. T.yCresson 65 



WiSLiZENUS — Atmospheric Electricity 167 



Hayes — Catalogue of Earthquakes in 1871, p. 173; in 1872-3 243 



Riley — Supplementary Notes on Pronuba Tuccasella • 178 



Gage — On the Occurrence of Iron Ores in Missouri i8j 



Riley — Hackberry Butterflies. Descriptions of the Early Stages of 



Apatura Lycaon Fabr. and Apatura Htrse Fabr. ; with Remarks 



on their Synonymy 193 



Riley — On the Oviposition of the Yucca Moth 20S 



Riley — Descriptions of two new subterranean Mites 215 



Broadhead, G. C. — On the Well at the Insane Asylum, St. Louis 



County 216 



Broadhead, G. C. — Occurrence of Bitumen in Missouri 224 



Gage — Results of Investigations of Indian Mounds 226 



Riley — Descriptions and Natural History of two Insects which brave 



the Dangers of Sarracenia variolaris 235 



Riley — Description of two new Moths . . 240 



Schmidt — On the Forms and Origin of the Lead and Zinc Deposits 



of Southwest Missouri 246 



Marcou — On the Terebratula Mormonii 252 



Sawyer — On Climatic Change in Illinois — its Cause 255 



Schmidt — Iron Manufacture in Missouri : A General Review of the 



Metallurgical Districts and their Resources 261 



Riley — Remarks on Canker-worms, and Description of a new Genus 



of Phalcenidce 273 



Riley — Notes on the Natural History of the Grape Phylloxera (P. 



vastatrix Planchon) 281 



