Contents and Price List Vols. I-XXIII 5 



pp. Price 



Swallow, G. C, Notice of remains of the horse 

 in the altered drift of Kansas. 

 Engelmann, George, The variations in the 

 stage of the Mississippi River at St. Louis. 

 Engelmann, George, A revision of the North 

 American species of the genus Juncus, with a 

 description of new or imperfectly known 

 species. 



Parry, C. C, Account of the passage through 

 the Great Canon of the Colorado of the west, 

 etc., 1867. 



Harrison, Edwin, Age of the porphyry hills of 

 southeast Missouri. 



Swallow, G. C, Mr. Meek's notes on my pre- 

 liminary report of the geology of Kansas, as 

 edited by Dr. Hayden. 



Wislizenus, A., Yearly report of atmospheric 

 electricity, temperature, and humidity, from ob- 

 servations made at St. Louis, Mo. 

 Parry, C. C, On the character of the persistent 

 snow-accumulations in the Rocky Mountains, 

 Lat. 40°-41° north, and certain features per- 

 taining to the alpine flora. 



VOLUME III 602 $7.00 



No. I 192 2.00 



Engelmann, George, Notes on the genus Yucca. 

 Riley, Charles V., On a new genus in the 

 Lepidopterous family Tineidae, with remarks 

 on the fertilization of Yucca. 

 Walsh, Benj. D., Descriptions of North Ameri- 

 can Hymenoptera. 



Wislizenus, A., Atmospheric electricity. 

 Hayes, Richard, Catalogue of earthquakes for 

 1871. 



Riley, Chas. V., Supplementary notes on Pro- 

 nuba yuccasella. 



Gage, Jas. R., On the occurrence of iron ores 

 in Missouri. 



No. II 64 $2.00 



Riley, Chas. V., Hackberry butterflies ; descrip- 

 tion of the early stages of Apatura Lycaon, 

 Fabr. and Apatura Herse, Fabr. ; with remarks 

 on their synonymy. 



Riley, Chas. V., On the oviposition of the yucca 

 moth. 



Engelmann, George, Notes on the genus Yucca. 

 Riley, Chas. V., Description of two new sub- 

 terranean mites. 



Broadhead, G. C, On the well at the insane 

 asylum, St. Louis County. 



