SUBJECT INDEX 



419 



Homograft sensitivity, 



transfer by leucocyte extracts, 272, 



274, 279, 284 

 transfer factor, 274, 283 

 transfer of, 275-276, 279 



Homologous disease, see Runt 

 disease 



Homotransplantable lines of C3H 

 mice, 170-173, 174 



Homotransplantation reaction, be- 

 tween mother and foetus, 118, 127 



Humoral antibodies, and transplanted 

 tumours, 179 

 interaction with sessile antibodies, 

 216-235 



Hyaluronidase, effect on skin homo- 

 grafts, loi, 115, 116 



Hyperimmunization, 284, 285 



Hypersensitivity, delayed, see De- 

 layed hypersensitivity 



Hypersensitivity reaction, 3 



humoral antibody in, 227, 228, 229, 

 233 



Immunity, preformed, 212 



tests of, 153, 154 



transplantation, see Transplantation 

 immunity 

 Immunization, 



adoptive, 143-144 



destroying skin homografts, 97, 

 109 



factor of, see Factor of Immuniza- 

 tion 



intracardiac route, 240 



intravenous, 354 



of newborn, 160, 161-162 



of newborn mice, 144-149, 157 



route of, 229, 234 

 Immunogenetic changes in cancer 



cells, 167, 169-173 

 Immunological competence, of small 



lymphocytes, in graft-versus-host 



reaction, 236-270 



Immunologically competent cells, 



effect of age, 202 



estimation of, 185, 186 



origin in thymus, 392 



role in protection against runt 

 disease, 319-321 

 Immunologically privileged sites, 90, 



104, 108 

 Immunotoxicity, of sera used to 



protect against runt disease, 3 1 1-3 1 3 

 Irradiation, and thymus, 401-402 



and tolerance, 156 



and tumour transplantation, 165- 

 169 



effect on organ grafts, 20, 22 



effect on skin grafts, 140-141 



effect on tolerance, 41 



in treatment of runt disease, 3 52, 369 

 Irradiated isologous systems, metas- 

 tases in, 165-169 



Kidney transplantation, 22 

 ICidney weight, in runt disease, 248- 

 250, 266-267 



Lecithinase, effect on Triton-soluble 

 hpoprotein, 87 



Leucocytes, antigens in, 42 



transfer factor in, 272-273, 279, 284 

 transplantation of, 237 



Leukaemia, and the thymus, 3 84, 402 



Lewis rat strain, 24 



Lipase, effect on Triton-soluble hpo- 

 protein, 81 



Lipid, in H-2 antigens, 55, 62 

 in antigen, 1 1 



Lipid solvents, effect on transplanta- 

 tion antigens, 14-16 



Lipoprotein, in H-2 antigens, 61 

 isoantigenic, from sarcoma i , 72-89 

 preparation of an isoantigenic, from 



sarcoma i, 73-77 

 Triton-soluble, see Triton-soluble 

 hpoprotein 



