Author of “The Principles of Diagnosis,” London and Nottingham, 1817; “Medical Essays,” London and Nottingham, 1825; “Diseases of Females,” 1826; “Effects of Loss of Blood,” 1828; “Researches principally relative to the morbid and curative effects of loss of blood,” London, 1830; “An essay on the circulation of the Blood, especially as observed in the minute and capillary vessels of the Batrachia and of Fishes,” London, 1831; “Lectures on the nervous system and its diseases,” London, 1836; “Memoirs on the nervous system,” London, 1837; “Practical observations and suggestions in medicine,” London, 1846; “Essay on the theory of convulsive diseases,” London, 1848. =Hällsten, K.= Prof. Physiol. in Helsingfors, Finland. Author of “Handledning för nybegynnare vid histologiska öfningar” (Manual of practical histology for beginners), Helsingfors, 1878. Contrib. to Scandinavian Med. Archives. Made experimental researches on the irritability of various parts of the same nerve. =Harley, George=, 25, Harley Street. M.D. Edin., 1850; F.R.C.P. Lond., 1864; F.R.C.P. Edin., 1858; M.R.C.S. Eng., 1850; F.R.S.; F.C.S.; Corr. Mem. Roy. Acad. Med. Madrid; Roy. Acad. Sci. Bavaria; Phys. and Med. Soc. Wurzburg; Med. Soc. Halle, and Micros. Soc. Giessen; Mem. Path. Soc. Lond.; Fell. Roy. Med. Chir. Soc. Lond.; Mem. Roy. Med. Soc. Edin., etc., etc., formerly Prof. Med. Jurisprudence and Lect. on Histology and Pract. Physiol. Univ. Coll.; Pres. Paris Med. Soc. Editor of “A Year Book of Medicine, Surgery and their allied Sciences,” London, 1860, etc.; author of “On Digestion,” 1859; “Action of Chem. and Phys. Agents on the Blood,” Phil. Trans. 1865; “Jaundice, its pathology and treatment,” London, 1863; “Albuminaria, with and without Dropsy, its different forms and treatment,” London, 1866; “Diabetes, its different forms and different treatments,” London, 1866, etc. Made experiments on the physiological action of animal poisons, on dogs, cats, and frogs.