117. HASSE, O.: “Report on twelve cases of the direct transfusion of lamb’s blood.” _Allgem. Wiener Medizin. Zeit._, Dec. 1873. (Abstracted in the _Lond. Med. Rec._, Dec. 31, 1873.) 118. HÉDON, E.: “Note complémentaire sur la transfusion du sang citraté.” _Presse méd._, 1918, xxvi. 57. 119. HEKTOEN, L.: “Iso-agglutination of human corpuscles.” _Journ. Infect. Dis._, 1907, iv. 297. 120. HELMHOLZ, H. F.: “The longitudinal sinus as the place of preference in infancy for intravenous aspirations and injections, including transfusion.” _Am. Journ. Dis. of Children_, 1915, x. 194. 121. HICKS, J. BRAXTON: “Cases of transfusion, with some remarks on a new method of performing the operation.” _Guy’s Hosp. Rep._, 1869, 3rd s., xiv. 1. 122. HIGGINSON, A.: “Report of seven cases of transfusion of blood, with a description of the instrument invented by the author.” _Liverpool Med. Chir. Journ._, 1857, i. 102. 123. HINDSE-NIELSEN: “Nitro-benzol poisoning treated with blood transfusion.” _Ugeskift f. Laeger_, 1920, Sept. 9. 124. HIRSCHFELD, L., & HIRSCHFELD, H.: “Serological differences between the blood of different races.” _Lancet_, 1919, ii. 675. 125. HOFFMAN, M. H., & HABEIN, H. C.: “Transfusion of citrated blood.” _Journ. Am. Med. Assoc._, 1921, lxxvi. 358. 126. HOOKER, R. S.: “The treatment of staphylococcus septicæmia by transfusion of immune blood.” _Ann. Surg._, 1917, lxvi. 513. 127. HOWARD, W. S.: “A simple method of transfusion in hæmorrhage of the new-born, with report of a case.” _Journ. Am. Med. Assoc._, 1915, lxv. 1365. 128. HUCK, F. G.: “Changes in the blood immediately following transfusion.” _Johns Hopkins Hosp. Bull._, 1919, xxx. 63. 129. HULL, A. J.: “Direct transfusion of blood.” _Brit. Med. Journ._, 1917, ii. 683. 130. HUNT, E. L., & INGLEBY, H.: “A case of peptic ulcer with grave anæmia treated by intravenous injection of whole blood.” _Lancet_, 1919, i. 975. 131. HUNT, V. C.: “Reaction following blood transfusion by the sodium citrate method.” _Texas State Journ. Med._, 1918, xiv. 192. (Also in _Collected Papers of the Mayo Clinic_, x. 1918.) 132. HUSTIN: “Principe d’une nouvelle méthode de transfusion muqueuse.” _Journ. méd. de Brux._, 1914, xii. 436. 133. HUTCHISON, R.: “Three cases of melæna neonatorum successfully treated by the injection of whole blood.” _Brit. Med. Journ._, 1917, ii. 617. 134. HÜTER, C.: “Ein Fall von Kohlenoxydvergiftung; Heilung durch Transfusion.” _Berl. Klin. Wchnschr._, 1870, vii. 341. 135. INGEBRIGTSEN, R.: “The influence of iso-agglutinins on the final results of homoplastic transplantation of arteries.” _Journ. Exp. Med._, 1912, xvi. 169. 136. JANEWAY, H. H.: “An improved device for transfusion.” _Ann. Surg._, 1911, lxiii. 720. 137. JANSKY, J.: “Hæmatologische Studien bei psykotiken.” _Klincky Sborink_, 1907, viii. 85.