Tramu AcalJSu. SkLauis, Vol II. 



/'I /. 



DIAGRAM, 



shmvingthe motilhlij nti'UH orposHive atmospheric I'I <('( rii'Htf 

 in I lie year MY/7 at $t. Louis, Mo.jhtsed upon dcUlu ob&rvaA/uonA out 

 0\ J), I'i, .',', found $ o'clock from morning till mqbJb,ly A WisUzavusMD. 



