Operations, shock following, 31 value of transfusion following, 32 Osmotic pressure, 36 significance of, 36 Oxygenation, imperfect, blood loss causing, 36 solutions increasing, 37 Oxyhæmoglobin, conversion into carboxyhæmoglobin in carbon monoxide poisoning, 64 Pain, predisposing to shock, 29 Paraffin wax, coating of glass tube with, 114, 116 in prevention of clotting, 110, 114 Paroxysmal hæmoglobinuria, blood conditions in, 94 Pedigree of blood groups, 90 Pellagra, transfusion in cases of, 66 Pepys, Samuel, 7, 8, 9 Pernicious anæmia, 50 blood condition in, 93 blood count in, 51, 53-56 blood groups in patients with, 93 subcutaneous blood injections in, 58 transfusion treatment of, 50-58, 95 complications of, 57 cases illustrating, 53-55 choice of blood donor, 56, 57 dosage, 52 reactions following, 57 Perspiration, blood loss due to, 28 Placenta prævia, transfusion following, 42 Pneumonia, transfusion in cases of, 61 Poisoning, transfusion treatment of, 64, 65 Post-operative shock, 31 Post-partum hæmorrhage, 42 Pregnancy, toxæmias, of “fœtal threat” in relation to, 85 transfusion treatment of, 62 “Professional” blood donor, 69, 98 Purpura, transfusion in cases of, 49, 50 Pyæmia, transfusion in cases of, 59 transfusion in, 58 Radial artery, accessible for direct transfusion, 109 exposure of, 111 objections to use of, 111 Reactions, 75, 76 following transfusions, 57, 122, 123 _see also_ Blood reactions Reinfusion with patient’s own blood, 42, 43 Rejuvenation, 136 Replacement of blood, complete, 136 Respiratory system, effect of loss of blood on, 23 exhaustion of, 21 Robertson, Bruce, transfusion of infants and children by, 135, 136 Robertson, Oswald, transfusion with citrated blood by, 121, 124 “Robertson’s bottle,” 124, 125 Saline infusion, treatment of shock by, 33 Saphenous vein, internal use of, 130, 135 Sauerbruch’s method of direct transfusion, 108 Segregation of the gametes, 88 Septicæmia, transfusion for, 59, 136 Serum, _see_ Blood serum