BIBLIOGRAPHY OF FULGURITES. 383 
sand dunes between the Laguna del Potrero and Rio de la Plata, 
a few miles from Maldonado, and makes observations on the 
formation of fulgurites. 
_»° Hermann Abich.—Die Fulguriten im Andesit des kleinen 
Ararat, nebst Bemerkungen tuber Ostlicher Einfliisse bei der 
Bildung electrischer Gewitter. Sitzber. Akad. Wien. Bd. 60, 
153-161, 1870. (See also “ Phil. Mag.,” 38, 1869, pp. 436-440.) 
Rocks traversed in every direction by vermiform fulgurites ; tubes 
about the size of thick goose quill. 
*° G. Rose.—Zeit. deutsch. geol. Ges. Bd. 25, p. 112, about 
1873. 
* M. P. Harting.—Fulgurites in Holland. Treats of origin, 
gives analysis by Von der Star. Mém. Acad. R. Néerl, t. 14, pp. 
22 et seg., 1874. 
*° Von der Marck.—Ueber die Analyse einer angeblichen Ful- 
gurits. Verh. Nat. Ver. preuss. Rheinl. Folg. 4. Bd. 1, Corr. 
Blatt., p. 70, 1874. 
*° Leeds.—Notice of a Lightning Tube, or Fulgurite, found near 
Fayetteville, N.C. Proce. Acad. Nat. Sc., Philad. 1874, p. 145. 
Fulgurite 4 feet length, 2 inch diameter ; fused silex. 
* A. Renard.—Les Fulgurites. Aun. Soc. Belg. Microscop., t. 
5 (Bull), pp. xix—xxi, 1879. 
“J. Brun.—Pierres cassées du Sahara: fulgurites calcaires. 
(1880.) Arch. Sci. phys. nat. T. 3, pp. 329-336, 1883. 
“ C. W. Giimbel.—Ueber die Bildung der Stylolithen und iiber 
Fulgurite. Zeit. d deutsch. geol. Ges. Bd. 34, pp. 642-648, 
1882. 
* Wichmann.—Ueber Fulgurite. Zeit. deutsch geol. Ges, 
Bd. 35, pp. 849-859, 1883. 
“J. S. Diller.—Fulgurite from Mount Thielson, Oregon. 
Amer. Jour. Se. ser. 3, vol. 28, pp. 252-258, 1884. Small tubes 
in rock ; seemed to have “ boiled over.” 
© C. W. Giimbel.Zeit d. deutsch geol. Ges. Bd. 36; p. 179, 
1884, 
* F. Rutley.—Fulgurite from Mount Blanc. Quart. Journ. 
Geo. Soc., vol. 41, pp. 152-154, 1885. 
“ F, Rutley—On fulgurite from Monte Viso. Quart. Journ. 
Geol. Soc., vol. 45, pp. 60-66, 1889. 
* EF, Aston.—On an Alpine nickel-bearing serpentine, with 
fulgurites. Quart. Journ., Geol. Soc., vol. 52, pp. 452-460, 1896, 
