Fig. 





List of Flutes. 





. XV 





Plate XX. 







on 



s of meteorites. Same article. 





1. 



New Concord, Ohio; 



fell 1860. 



300 diameters 



2. 



Staunern , Moravia ; 



" 1808. 



300 



S. 



Siebeuburgen ; 



" 1852. 



150 



4. 



Weston, Conn. ; 



" 1807. 



150 



5. 



Chateau Eenard, France; 



" 1841. 



600 



6. 



Iowa Co., Iowa; 



" 1875. 



300 



7. 



Aigle, France (crnst); 



" 1803. 



300 



8. 



Same meteorite (interior) 





300 



9. 



(both); 





300 



Plate XXI. 



Magnified sections of igneous rocks. Same article. 



Fig. 1. Scoria, Sandwich Islands. 300 diameters. 



2. Basalt, Washoe. ". " 



3. Rhyolj^te, River Range, Nevada. " " 



4. Lava, Vesuvius. " " 



5. Tufaceous trachyte, Colorado River. " " 



Plate XXII. 



Elliott's absorption-apparatus for rapid analysis of gases. Art. XXIV, 

 pp. 372—380. 



Plate XXIII. 

 Elliott's explosion-burette, for gas-analysis. Same article. 



