=Deahna, Dr. A.= Prof. Physiol. at Freiburg, in Bresgau; Phys. on Staff of Saxon Sanitary Corps, 1879. Joint author (with Dr. Joh. Latschenberger) of “Beiträge zur Lehre von der reflectorischen Erregung der Gefässemuskeln,” Pflüger’s _Archiv_, Vol. XII., p. 157. Experiments on rabbits, dogs, and cats. The animals were all curarised, and had various nerves cut and excited by electricity. =De Paoli, Giovanni.= Prof. Genoa University. =Descoust= (Dr.), 16, Rue Hérold, Paris. Prof, of Pract. Med. Jurisp. Med. Faculty. =Desfossez= (Dr.), Boulogne-sur-Seine. Phys. Hosp. Ophthalmology. =Desgranges= (Dr.), 55, Place de la République, Lyons. Prof. of Surgery Med. Faculty. =Dittmar, Carl.= M.D. 1867, Phys. at Hildesheim; Mem. of Acad. of Sci. of Saxony. Author of “Ueber die Lage der sogenannten Gefässnervencentrums in der Medulla oblongata;” “Ein neuer Beweiss für die Reizbarkeit der centripetalen Fasern des Rückenmarks” (Ber. der. Sächs. Gessellschaft d. Wiss., 1870). =Donders, Frans-Cornelius.= B. 1818. Studied at the Military Medical School of Utrecht. Was Military Surgeon at the Hospital of Hague. Professor of Physiol., Histol., and Ophthalmol. at the University of Utrecht, 1847. In 1863 received from his Government a grant of money for the construction of a modern Physiological Laboratory, which was inaugurated 1867. Corr. Mem. Academy of Medicine, Paris, 1873, and Institute of France, 1879. Author of “Lehre von den Augenbewegungen,” 1847; “Onder Zockingen gedaan in het physiologisch laboratorium,” etc., Utrecht, 1849, 1857, 1867, etc.; and of several articles in Graefe’s “Archiv. für Ophthalmologie.” “MM. Snellon and Donders took a rabbit, cut the nerve on the right side of the cervical region, made a wound in each ear, and inserted a fragment of glass into the sore, which was then sewn up. At the end of six days a tumour was set up in the left ear. At the end of twelve days the wound on the right ear was opened by tearing its borders.… In the other ear meanwhile the swelling had considerably increased, and a vast purulent abscess was formed in its interior.… Here are some more curious results. Cut the right nerve in the neck of a rabbit, and when the vessels of the globe of the eye are dilated pour concentrated acetic acid on both eyes. The sight is instantly violently distressed; the epithelium being cauterised soon becomes detached, … and at the end of four weeks the pupil of the eye can no longer be seen.”--_Traité de Physiologie_, Béclard, 1862, p. 1,019. =Dowdeswell, George Francis=, Physiol. Lab. New Museum, Oxford. M.A., F.C.S., F.R.S., &c. Contrib. “On the structural changes which are produced in the liver under the influence of the Salts of Vanadium,” “Journal of Physiology,” Vol. I., Nos. 4 & 5, p. 257.