The SciencesThings AmericanBy Marcus Benjamin on December 25, 1897AdvertisementABOUT THE AUTHOR(S)Recent Articles by Marcus BenjaminCharles Doolittle Walcott, Physiological Effects of High TemperaturesJames Playfair McMurrick, Temperatures in the United States and moreEliakim Hastings Moore, Zirconium, the "Mystery Metal"