A VINDICATION OF AUOUBON S REPRESENTATION OF THE FANGS OF THE 



SOUTHERN RATTLESNAKE: ABOVE, DETAIL OF THE "MOCK i NO BIRDS," 

 PLATE xxi (UNCOLORED) OF "THE BIRDS OF AMERICA"; 



BELOW, THE SKULL OF A RECENT FLORIDA SPECI- 

 MEN, SHOWING THE SAME RECURVATURE 

 OF FANG. 



