Index 881 



Limulus (horseshoe crab), 325,* 547 



Linin, 40,* 44 



Linkage in heredity, 695, 697 



Linnaeus, 802 



Lipid (fats), 87, 476 



Liver, 311*-315*, 321,* 328,* 427,* 



429, 470,* 471,* 479, 493, 



512, 513 

 fluke, 293, 294, 373-377, 374,* 375,* 



538, 785, 785,* 787* 

 rot (see Liver fluke) 



Liverwort (Marchantia), thalloid, 109- 

 112, 130, 131, 131,* 132,* 

 188-190 

 Porella (leafy), 131, 132,* 189 

 Living and nonliving contrasted, 99-103 

 animals and plants contrasted, 104, 

 107 



Lizard, 336,* 340 

 Lobster, 318, 543 



Locomotion, 106 (see also specific or- 

 ganisms) 

 Locus of genes, 696,* 698 

 Locust (see Insects and Grasshopper) 

 Loligo (squid), 315* 

 Luciferase, 762 

 Luciferin, 762 



Lumbricus, 384-392 (see also Earth- 

 worm) 

 Lung, 311,* 331, 333, 340, 434, 470,* 

 489-493, 490* 

 book, 319, 325* 

 Lycogala (slime mold), 123,* 124, 173 

 Lycopodineae, 110, 134, 136,* 191-193 

 Lycopodium, 135, 135,* 192, 193 

 Lycopsida, 110, 134, 135,* 191, 192 

 Lymnea (snail), 310,* 376, 538, 786 

 Lymph, 51, 390, 425, 487-489, 488* 

 Lymphatics, 481,* 488* 

 Lymphocyte (see Tissues, blood) 



M 



Macrogamete (megagamete), 840 

 Macromere, 444 



Macronucleus, 279,* 349, 350,* 356* 

 Madreporite, 302, 302,* 303, 304, 306* 

 Magnesium, 79* 

 Maize (see Corn, Indian) 

 Malaria, 275, 276, 363-367, 364,* 532, 

 784 



Malleus bone, 466, 498,* 505 

 Malpighi, Marcello, 29, 801 

 Malpighian layer, 421, 422,* 435, 459, 



494 

 tubule, 325,* 394, 396,* 397, 403,* 



405 

 Maltose (malt sugar), 92, 429, 476 

 Mammalia (mammals), 340, 341,* 574 



Mammoth, 606* 

 Man, 340 



biology of, 458-529 



blood groups, 489 



chromosomes (see Chromosomes) 



circulation, 477-489 



coordination and sensory equipment, 

 494-506 



diseases, 516-522 



ductless glands, 506-513 (see also 

 Endocrine glands) 



early, and records, 585-590, 587* 



embryology, 450-456 



excretion, 492-494 



ingestion and digestion, 472-477 



inheritance, 522-526 



integument and skeleton, 459-465 



motion and locomotion, 467-472 . 



race improvement, 526-527 



reproduction and life cycle, 513-516 



respiration, 489-492 



Mandible, 320,* 321,* 331, 393-404, 

 395,* 409, 411,* 424, 462,* 

 ^66, 469* 



Mantle, 309, 310, 310,* 311, 312,* 

 313,* 328* 



Marchantia, 188-190 (see also Liver- 

 wort) 



Marl, 152 



Marrow of bone (see Tissues, bone). 



Marton, 35 



Mastax, 298, 299* 



Mastigophora, 274, 276,* 358, 358,* 



361,* 531*-534* (see also 



Protozoa) 



Matrix, 49, 50,* 51, 67, 360 

 Matter, 73, 78 



Maturation of germ cells, 706-712 

 Maxilla, 331,* 395,* 409, 411,* 423,* 

 424 



Maxilliped, 320,* 321* 

 May fly (see Insects) 

 Mechanistic view, 841 

 Medicine and biology, 778 

 Medicines from plants, 267 

 Medium, 76, 78 



Medulla, 54, 340,* 496,* 502, 504 

 Medullary fold, 447 



plate, 447 



ray, 141,* 221 



sheath, 54, 54* 



Medullated nerve, 54 



Medusa (medusoid), 285,* 289, 290* 



Megagamete, 842 



Megagametophyte, 136,* 137,* 140.* 



142, 143, 194, 200-203, 206, 



225* 

 Megaphyll, 137 



