Blood corpuscles, “agglutinophilic” properties of, 72, 85 and plasma, relative value of, 36, 37 clumping together of, 70 condition during shock, 39 conditions due to alterations in, 50 destruction of, in the toxæmias, 64 effect of transfusion on, 52 fœtal, potential agglutination of, 85 in transfused blood, 36, 37 function of, 37 quantity and concentration during shock, 28 transfusion of, 64 Blood count, during shock, 39 following hæmorrhage, 39 following transfusion, 40 in pernicious anæmia, 51, 53-56 Blood diseases, 50-58 Blood donor, 69 blood of, 56, 57 agglutinating power of serum of, 72-74 testing of, 68 transmission of disease by, 67, 68 characteristics of, 100 choice of, 68, 96-107 effect of blood loss on, 99 for new-born infants, 49 for pernicious anæmia, 56, 57 injury to, during transfusion, 111, 124 members of patient’s family as, 85, 90, 92, 95 “professional,” 69, 98 testing of, 83, 92, 95-97 for blood groups, 101 treatment of, 60, 99, 100 “universal,” 72, 73 vaccine treatment of, prior to withdrawal of blood, 60 withdrawal of blood from, 108, 109, 124 by anastomosis, 108, 109 by Kimpton-Brown tube, 116, 117 by needle, 126-128 by syringe, 112, 113 Blood groups, 67, 69, 70, 101 among animals, 79 and disease, relation between, 81, 93 classification of, 70, 71 compatibility of, 72, 75, 80 in families, 84, 90, 92 testing of, 102 earliest classification of, 15 family incidence of, 84, 90, 92 incidence among our own population, 83 incompatibility of, 80, 92 earliest reference to, 6 in animals, 80 in families, 84, 90, 92 symptoms of, 75-77 testing for, 101, 102 inheritance of, 86, 87, 90, 91 medico-legal considerations, 92 maternal, compared with those of infants, 86, 92 over-lapping of, 72, 96 pathology of, 79 phenomena of, 69-75 physiology of, 79 popular beliefs concerning, 84 racial incidence of, 81, 82 reactions between the serum and corpuscles of, 70, 71, 72, 73 testing for, in blood donors, 97, 101 transfusion in relation to, 95 “unit characters” in, 86, 87, 88 Blood measurements, 22, 23 Blood plasma, in transfused blood, 36, 37 Blood pressure, 21 as an indication for transfusion, 40 danger points in, 21 following loss of blood, 21 low, essential feature of shock, 27 transfusion treatment of, 32 Blood reactions, 70, 71, 72, 80, 101 clinical picture of, 75 disease in relation to, 93 family incidence of, 84, 90, 92, 95 following transfusion, 95, 96, 122, 123 in infants, 84, 90, 92 incompatibility of, transfusion in relation to, 96 intensity of, variations in, 73 recognition of symptoms of, 75-77 variation in degree of, 76 Blood recipients, “universal,” 72, 95