ILLUSTRATIONS. 



Page. 



Figure 1. Absorption of hydrogen by palladium - . 298 



Figure 2. Absorption of hydrogen by palladium 293 



Figure 1. Ruins in Vera Cruz 374 



Figures 1 and 2. Ancient mounds in Union County, Kentucky 393 



Figure 3. Ancient mounds in Union County, Kentucky 396 



Figure 4. Ancient mounds in Union County, Kentucky ,. 398 



Figure 5. Ancient mounds in Union County, Kentucky 399 



Figure 6. Ancient mounds in Union County, Kentucky 401 



Figure 1. Aboriginal ruins at Savannah, Tennessee 408 



Figure 1. Aboriginal ruins on the Williams fixrm, near Savannah, Tennessee 417 



Figure 1. Wind-currents in Kansas 473 



Figures 1 aud 2. Illastratious of clouds. Cirrus, (Howard.) curl-clouds, fiicing 443 



Figure.s 3 and 4. Illustrations of clouds. Cirrus, (Howard,) curl-clouds, facing 443 



Figures 5 and 6. Illustrations of clouds. Cirro-stratus, (Howard,) ice-clouds, facing 444 

 Figures 7 and 8. Illustrations of clouds. Cirro-cumulus, (Howard,) curdled gky, 



facing 445 



Figures 9 and. 10. Illustrations of clouds. Pallio-cirnis, (Poey,) sheet or snow 



cloud, facing 447 



Figures 11 and 12. Illustrations of cloudfi. Cumulus, (vel curaulo-stratns,) mount 



cloud, facing 448 



Figures 13 aud 14. Illustrations of clouds. Fracto-cumulus, (Poey,) wind-clouds, 



f^iciug 449 



Figure 1.5. Illustrations of clouds. Cirro-cumulus-stratus, (Poey.) facing 450 



Figure 16. Illustrations of clouds. Cirro-strato-cumulus, (Poey,) facing 450 



On the evaporation observed at Palermo in 1865 and 1866. By P. Tacchini 457 



On the electricity of induction in the aerial strata of the atmosphere, which, in the 



shape of a ring, surround, a cloud that is resolving into rain, snow, or hail. By 



Prof. Fr. Zautedeschi 436 



On the presence of electricity during the fall of rain. By Prof. Palmieri, of the 



Vesuvius Observatory 469 



Climate of Kansas. By R. S. Elliott 472 



Account of a hail-storm ou the Bosphorus. From Porter's Constantinople 475 



Account of a hail-storm in Texas. By Lieutenant George M. Bache 477 



