iPKOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [186C. 



EXPI>ANATION OF PEATE t. 



(For text see pp. 8.^91. j 



Fig. 1. Fulgurite with wing-like projectionn. 



Fig. '2. Fulgurite from South Caroliiui, with bulb-like enlargeinente. 

 Fig. '.i. Cross-section of fulgurite with wing-like project iouf. 

 Fig. 4. Holes niude by lightning in a hollow eopper globe. 



