130 



THE SMALLEST LIVING THINGS 



Hyalobryon deformans (hi"a-16-bri'6n 

 de-for'manz), 52* 



Hydrolysis (hi-drol'T-sis) : in preparing 

 animal food, 20 



Hydrurus foetidus (hl-droo'rus fet'i- 

 diis) : life cycle, 50*; palmella phase, 

 61 



Hypermastigidae (hi"per-mas'tij-i-de), 

 75, 102 



Immunity among protozoa, 102 



India, Black disease of: cause, 104 



Infantile ulcer : cause of, 104 



Infectious jaundice: cause, 26, 28, 30; 

 transmission of, 104 



Influenza : cause of, 16*, 19 



Influenza, Epidemic: cause of, 15 



Infusoria (in"fu-so'ri-a) : meaning of 

 term, 70; description of, 80; conjuga- 

 tion, 85; defecation function, 100; re- 

 production, 82 



Inoculation : of clover, 21* 



Iron : in protoplasm, 33 



Irritability : denned, 88 ; a fundamental 

 activity, 8 ; of protoplasm, 39, 102 ; of 

 protozoa, 88 



Isogametes (i"so-ga-mets'), 55, 57 



Isokontae (I"s6-kon'te), 49, 53 



Iwanowski (i"van"ous'kT), Dimitri, 

 Russian botanist : discovers cause of 

 leaf mosaic disease, 14 



Jaundice, Infectious: cause, 26, 28, 30; 

 transmission of, 104 



Jelly-fish, Fossil, 6 



Kala azar (ka'la a-zar') : cause of, 104 



Kieselguhr (ke'zel-goor"), 14, 63 



Kinetic elements : denned, 72 ; in animal 

 flagellates, 74, 75 ; source of flagellum, 

 44 



Koch, _ Robert (1843-1910), German 

 physician and bacteriologist : lays 

 foundation for bacteriology, 17 



Labor, Division of : in a cell, 38 ; in uni- 

 cellular organisms, 46; in volvox colo- 

 nies, 56 



Lamp-shells, Fossil, 4*, 6 



Lazear, Jesse (1866-1900), American 

 physician, 29 



Leaf mosaic disease, 14, 15 



Leeuwenhoek (la'ven-hook), Antonius 

 van (1632-1723), Dutch naturalist: 

 microscopic discoveries of, 11, 42 



Leishmania (lesh-ma'ni-a), 104 



Leishmaniasis (lesh"ma-ni-a'sis) : cause 

 of, 104 



Leptomonas (lep"to-mon'as), 103 



Leptospira ictero-hemorrhagiae (lep"to- 

 spi'ra ik-ter'6-hem"6-raj'i-e), 30 



Leptospira interrogans ( lep"t6-spl'ra m- 

 ter'ro-ganz), 30 



Leucosin (lu'ko-sin), 60 



Lice : transmit disease, 28 



Life: a complicated phenomenon, 110; 

 appearance on earth, 3, 6; continuity 

 of, 115; order of appearance of animal 

 forms, 5, 6 



Life cycle : of Eimeria schubergi, 107* ; 

 of a foraminiferon, 77* 



Limestone rock : origin of, 78 



Lingula (lin'gu-la) : first appearance, 6 



Lionotus fasciola (li-6-not'us fas'si- 

 6 "la), 97* 



Lobster : parasite of, 71 



Macronucleus (mak"r6-nii'kle-us) : in 

 encrysting Didinium nasutum, 36*; 

 Uroleptus halseyi, 37* ; see also gloss- 

 ary 



Magnesium: in protoplasm, 33 



Malaria: progress of, 104; transmission 

 of, 104 



Malaria, Bovine, 28 



Malaria organisms : adaptation to qui- 

 nine poisoning, 102 



Mammals : sec Animals 



Man : first appearance, 5, 6 ; food of, 45 



Manuring, Green, 21 



Marine Biological Laboratory, frontis- 

 piece 



Marsupials : first appearance, 5 



Mastigophora (mas"ti-gof'6-ra) : de- 

 scription of, 71 ; meaning of term, 70 



Matrix of Hydrurus foetidus, 50* 



Maupas (mo-pa'), fimile (1844-1916), 

 French biologist : experiments in feed- 

 ing protozoa, 93 ; experiments in vital- 

 ity, 112 



Measles : cause of, 15 



Meiotic (ml-ot'Ik) divisions, 85 



Mendelian inheritance in unicellular or- 

 ganism, 55 



Metabolism : defined, 2 ; of protoplasm, 

 33 



Metalnikov (met"al-ni'kof), Serge Ivan- 

 oric (1871- ), Russian biologist, 98 



Metaplastids (met"a-plas'tlds) : defined, 

 31 



Metazoa (met"a-zo'a) : ability of cells 

 to reorganize lost, 115; specialization, 9 



Mice : parasitic spirochaete from, 26* 



Micrasterias (mi"kras-ter'i-as), 59 



Microcystis (mi"kro-sTs'tis), 51 



Micron (rm'kron) : defined, 16 



Microscopes : importance of, 11 ; modern, 

 11* 



Minchin, E. A., English biologist, 32 



