The SciencesThe National Academy of SciencesBy Marcus Benjamin on May 5, 1906AdvertisementABOUT 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"