_Held License for Vivisection at Brown Institution, and University College Physiological Laboratory in 1878-79-80; also at Cambridge University Physiological Laboratory, besides former places in 1881-82-83. Certificates for Experiments without Anæsthetics in 1878 and 1879; Certificate Dispensing with obligation to kill in 1880; Certificates for Experiments without anæsthetics, and for Experiments on Cats, Dogs, Horses, Mules, and Asses in 1881-83, and Certificates for Illustrations of Lectures, and for Experiments on Cats, Dogs, Horses, Mules, or Asses in 1882. No Experiments returned in 1878, 1879, and 1880. No Experiments on Horses, Mules, or Asses._ =Du Bois Reymond, Emil.= B. Berlin, 1818. Studied Geology at Bonn; Anatomy and Physiology at Berlin under J. Müller; Ph. D. 1843 (Bonn and Berlin); Prof. Physiol. Univ. Berlin (successor to J. Müller), 1858; Mem. and Perpetual Sec. of Imp. Acad. of Science, Berlin, 1867. Author of “Untersuchungen ueber thierische Elektricität,” Berlin, 1848, etc.; “Ueber Thierische Bewegung,” Berlin, 1851; “Ueber die Grenzen des Naturerkennens,” Leipsig, 1872; “Abhandlungen über allgemeine Muskel und Nervenphysik,” 1877; “Der physiologische Unterricht sonst und jetzt,” Berlin, 1878; “Culturgeschichte und Naturwissenschaft,” Leipsig, 1878. Since 1857, co-editor, with Reichart, of Müller’s Archives of Anatomy. In 1841 he experimented on animal electricity, and published the results in “Poggendorf’s Annals” (1843). It was Du Bois Reymond who said: “Standing on the loftiest summit of Doubt, the man of science bravely disdains to fill the yawning desert around him with phantoms of his imagination. He looks without terror into the merciless machinery of Nature, utterly devoid as it is of any spark of Deity.”--_Dr. Nordwall’s Address to Scandinavian League_, 1883. =Du Castel= (Dr.), 14, Rue de Bellechasse, Paris. Phys. Hospital, Teuon. =Durham, Arthur Edward=, 82, Brook Street, W. F.R.C.S. Eng. (Exam.), 1860; M. 1858 (Guy’s) 1st M.B. 1857; Prizem. 1854, Univ. Lond.; F.L.S., F.Z.S.; Fell. Roy. Med. Chir. Soc.; Chairm. Bd. of Exam. R.C.S. Eng.; Mem. Path. Clin. and Hunt. Socs.; Surg. and Lect. on Surg.; late Lect. on Anat. and Lect. on Use of Microscope, Guy’s Hosp.; Con. Surg. St. Alban’s Hosp. and Disp.; late Demonst. of Anat., Lect. on Nat. Philos., and Surg. Regist. Guy’s Hosp.; late Pres. Quekett Micros. Club. Late Editor Guy’s Hosp. Reps.; Author of “Sleeping and Dreaming,” an Essay on Physiological Science; “The Physiology of Sleep,” etc.