976 



SUBJECT INDEX 



4-aminopteroylglutamic acid 

 (aminopterin), 929 



4-aminopteroylthreonine as 

 antimitotic agent, 930 



4-aminopyrazolo-(3, 4-rf)-pyrimidine, caus- 

 ing abortive metaphases in cultures of 

 human HeLa cells, 944 



— inhibiting mitosis in human HeLa cells, 



933 

 amino transfer reactions and 



transaminations, 83 

 amino-uridine inhibitor of purine and pyri- 



midine synthesis in hepatoma, 909, 910 

 amitotic division of cell nucleus in 



oncocytes, 965 

 Amoeba proteus, 280, 592, 732 

 amoebae, incorporation of phenylalanine 



into, 282 

 ammonia, increased — excretion under 



anaerobic conditions, 721 



— fixation, 44, 82 



— , liberation of — from cytolizing cells, 736 



— utilization and nitrogen transfer reac- 

 tions, 88 



— , utilization of — for protein synthesis, 222 

 ammonium salts promoting growth at low 



amino acid content of medium, 725 

 amniotic groove in gastrula, 324 

 Amniots, 459 

 — , kinematics in, 347 

 AMP (adenosine-5-phosphate), 45 

 — , formation ol - - from iosinic acid, 94 

 amphetamine, 12 

 amphiclinous manifestations, 600 

 Amphioxus, 325 

 amylase, 72 1 



— activity during DNA accumulation, 525 

 anabolic influence of growth hormone, 845 



— processes, permeation as regulating 

 factor, 216 



-, resorbing surfaces, 180 



anabolism and catabolism, animal growth 

 as result of counteraction of processes of, 



— of building materials, 180 

 Anadonta, 200 



anaerobic glycolysis, 161 



— — , dinitrocresol stimulation of — — 

 in ascites tumor cells, 886 



of tumor cells, 881 



— incorporation of labelled alanine into 

 microsome protein, 45 



— tumor glycolysis inhibition by steroid 

 sex hormones, 883 



Anamniota, 342 

 anaphase, 318 



anaphase, "sticky" — bridges caused by 



adenine, 938 

 anaphasic movement of the chromosomes 



interrupted by spindle poisons, 941 



— separation of the chromosomes, 6-chloro- 

 purine causing failure of the, 940 



androgen, exogenous, 840 



— inhibition of mammary carcinogenesis 

 in mice, 841 



— potentiating granulocytic 

 leukemogenesis in mice, 841 



— suppression of lymphocytic 

 leukemogenesis, 841 



androgenetic frog hybrids, 734 

 androgenic hormone delaying lymphocytic 

 leukemogenesis, 841 



— steroid hormones, 219 



androgens promoting regeneration of bone, 

 632 



— , effects of — on regeneration, 632 



androsterone, 12 



anhydroleucovorum, 121 



animal body, polarity of the, 233 



animal growth, quantitative theory, 177 



animalization, 521, 537 



animalizing NaCNS, 350 



animal pole, 311, 322 



Annelida, 590 



Anodonta cygnaea, 184 



antephase, 157 



anthranilic acid, 36 



antiactin, 733 



anti-actomyosin, 732 



antibody, 535 



antibodies against leukosis virus, 858 



anticarcinogens, 861 



anticipatory shoots, 812 



antifertilizines from egg and sperm, 717 



antifolic acids, 929, 939, 943 



— , selective damage of intestinal 



epithelium, bone marrow, red pulp of 

 spleen and spermatogenic cells by, 939 



antigen, 535 



antigen-antibody complex, 535 



— — , lock-and-key theory, 669 

 antigenicity, carcinogenic effect on normal 



cell is alteration in — , 863 

 antigenic material, synthesis of — prior to 



gastrulation, 727 

 antiglobulin, 733 

 antiglutamines, 930 

 antigonadotrophin, 834 

 antimetabolites as mitotic poisons, 926 

 antimitotic activity of ribonuclease, 282 

 antimycin A, 20 

 — , acting between cytochrome b and 



