4i8 



SUBJECT INDEX 



Graft-versus-host reaction, 

 immunological competence of 



small lymphocytes in, 236-270 

 in parabionts, 330 

 role of cell dosage, 242-246, 255 

 spleen assays of, 185-215, 240 



H-2 antigens, 45-71 

 activity of, 54 



chemical composition of, 54-55 

 effect of freeze drying, 69 

 effect of freezing, 62 

 effect of ultrasonics, 54, 69, 70 

 extraction of, 49-53 



hazards of contamination, 53- 



54 



from ascites fluid, serological 

 properties, 58-60 



glycolipid in, 61 



homogeneity of, 57-58, 61 



importance of dosage, 150, 158 



inhibition of haemagglutination by, 

 59-60 



Hpids in, 55, 62 



lipoprotein in, 61 



neonatal exposure to, 146-149 



preparation of, 46 



properties of, 54-57, 61 



protein in, 55 



purification of, 47, 48-49 



source of in ascitic fluid, 66-67 



specificity of, 47, 61 



sugars in, 61, 62 

 H-2 antisera, from ascites tumour 

 fluid, 46 



production of, 48 

 H-2 locus, 2 



in mouse, 20, 21, 22 



in species other than mice, 21 

 Haemagglutinating antibodies, pro- 

 ducing splenomegaly, 212-213 

 Haemagglutination inhibition, 45, 

 47, 51, 53, 63, 72 



by H-2 antigens, 59-60, 63, 67 



Haemagglutination inhibition, 



by transplantation antigens, 30-32 

 Haemagglutination reaction, 25, 45, 

 292-293 

 test of sera used to prevent runt 

 disease, 3 10-3 11 

 Haemagglutinins, formation of, 21, 



23 

 pre-formed, 212 

 production of, 26-30 



by injection of cell-free extracts, 



28-29 

 by injection of living cells, 28 

 serological method, 28 

 response, in tumour transplantation, 

 179, 181 

 Haemopoietic cells, immunogenetic 



behaviour of, changes in, 177 

 Hamster, cheek pouches, see Cheek 

 pouches 

 immunological capacity of, 115- 

 116 

 Heat, effect on stabihty of transplanta- 

 tion antigens, 16-18 

 HistocompatibiHty antigens, 45-71 



specificity of, 45 

 Homogeneity, of H-2 antigens in 



ascitic fluid, 57-58, 61 

 Homograft reaction, against tumour 

 transplants, 163-164 

 effect of amethopterin, 371 

 interaction between sessile and 



humoral antibodies, 216-235 

 in tumour transplantation, 173, 176 

 Homograft rejection, 283 



and delayed hypersensitivity, 275, 

 276, 278 

 Homografts, between parabionts, 329 

 survival of, role of enhancement, 

 226-230, 232 

 Homograft sensitivity, 271-285 

 desensitization, 277-278 

 individual specificity, 275, 279, 282 

 local transfer, 275-276 



