INDEX OF SUBJECTS 



Endamccba histolytica, patent period, 

 84 



pathogenesis, 97-99 



precipitin tests, 103 



precystic stage, 58 



prepatent period, 83 



prevention, 116-118 



primates, 112-113 



rabbits, 115 



racial differences, hosts, 99-101 



rats, 113, 114 



relapse, iii 



reproduction, 59-60 



resistance of host, 99-103 



resistance to drugs, 106-107 



size variations, 58 



spleen, 95 



susceptibility of host, 99-103 



symptoms, 96-97 



chronic, 109-111 



transmission by carriers, 79-81 



trophozoite, 58, 65-66 

 Endamccba muris, 48, 90 

 Endanwzba tetragena, 90 

 Endolimax, 57 

 Endolimax janisce, 123 

 Endolimax nana-^ 17, 28, 46, 59, 123- 

 124 



cysts, 63 



temperature, 71 



incidence, 123 



life-cycle, 63 



pathogenicity, 123 



precystic stage, 63 



trophozoite, 63 

 Endolimax ratti, 124 

 Entamoeba minuta, 58 

 Enteromonas, 129-130 

 Enteronwnas hominis, 171 



Flagellates, intestinal, 128-171 

 Flies, transmitting agents, 74-77 



Giardia, discovery, 4 



dissemination by flies, 76 



excystation, 157-158 



host-parasite specificity, 161-169 



incidence, 46 



infection, cysts, 155 



trophozoites, 154 



localization in duodenum, 159 



morphology, 134- I3S 



pathogenicity, 159- 161 



transmission, 154-157 

 Giardia, low^er animals, 162-164 

 Giardia mu,ris, 162, 166 

 Giardiasis, 159 



H 



Habitat, accidental, 15 



foreign, 15 



natural, 15 



refractory, 15 



restrictions, 15 



tolerant, 15 



transitory, 16 

 HartniancUa hyalina, 68 



disinfectants, y^ 

 Herpetomonad, 43, 44 

 Herpetomo)ws fnuscoc-domesticoe, 44 

 Hodgkin's disease, 28 

 Host, accidental, 15, 2^, 42 



autochthonous, 42 



casual, 42 



foreign, 15, 23, 42, 50-51 



natural, 15, 42 



provisional, 43 



refractory, 15, 23, 42 



temporary, 43 



tolerant, 15, 42 



transitory, 16, 43 

 Host-parasite relations, biology, 19- 

 42 



problems, 52-55 

 Host-parasite specificity, 15, 42-52 

 Hyperparasitism, 61 



Giardia, 43, 44, 130 

 Giardia cants, 48, 155, 159, 163 

 Giardia, criteria of species, 164 

 Giardia lamblia, 17, 154-169 



age and susceptibility, 168 



cross infection, 165 



cysts, flies, 156 

 viability, 156 



Immunology, 35 

 Incubation period, 24, 25 

 Infection, avenues of, 21-23 



laboratory, 50 



types of, 43 

 INFUSORIA, 7, 17 



intestinal, 172-187 



229 



