NDEX 



711 



Jaundice, 462 

 Jaws, origin of, 287, 289 

 Jejunum, 461 

 Jellyfishes, 141, 153 

 Jennings, H. S., 120, 272 

 Jugular vein, 315 

 Juice, gastric, 459 



intestinal, 464 

 Jurassic (period), 321, 625 



Kala azar, 125, 126 



Kangaroo, 339, 340 



Katydid, 243 



Keel, 331 



Kidney, 82, 228, 256, 257, 258, 259, 317, 318, 



319, 523, 524, 525 

 Kiwi, 335 

 Kymograph, 388, 482, 503 



Labium, 224, 225, 233 



La Brea tar pits, 627 



Labrum, 224, 225 



Labyrinth, non-acoustic, 408, 409 



Lacteal, 466, 467 



Lactic acid, 389 



Lactobacillus acidophilus, 455 



Lactogen, 441 



Lactase, 464 



Lactose, 464 



Lactrodectus mactans. See Black widow spider 



Lacuna, 71, 72, 384 



Lag phase, of growth, 578 



Lamarck, 650 



Lamellae, 257 



Lancelet. See Amphioxus 



Land egg, 320 



Landsteiner, Karl, 513 



Large intestine, 311, 465-466 



Larva, 149, 167, 168, 181, 229, 234, 238, 284 



Larynx, 281, 307, 310, 311, 403, 477, 478 



Latent period, 388 



Lateral line, 308 



Lateral sympathetic ganglion, 426 



Latimeria, 293, 294 



Latissimus dorsi, 386 



Law, biogenetic, 632, 633, 634 



independent assortment. See Mendel's laws 



segregation. See Mendel's laws 

 Leech, 198 



Leeuwenhoek, Anton, 134, 561 

 Leishmania donovani, 125, 126 

 Lemur catta, 350 

 Lens, 29 



Lepas anatifera, 206 

 Lepidoptera, 221 



Lepidosteus osseus. See Gar pike 

 Leptinotarsa decemlineata, 239 

 Leucocytes, 194, 492, 506, 509 

 Leucon, 140 

 Leucosolenia, 138 

 Life, 29 



nature of, 34 



definition of, 55 

 Life cycle, Ascaris, 178 



blood fluke, 169 



clam, 260 



Endamoeba histolytica, ICO 



frog, 298 



honevbee, 229 



hookworm, 179 



hydra, 146 



lobster, 214 



malaria, 132 



obelia, 149 



Opisthorchis sinensis, 167 



sponge, 138 



starfish, 274 



tapeworm, 172 



trichina, 180 

 Ligament, 72 

 Light, 90 

 Limb buds, 570 

 Limulus, 249, 250, 640 

 Linea alba, 304 

 Linkage, autosomal, 605, 606, 607 



sex, 602, 603 

 Linnaeus, Carolus, 106 

 Lion, 342 



Lipase. See Steapsin 

 Lipids, 41 

 Liquids, 24 

 Littorina, 262 

 Liver, 453, 461 

 Liver fluke, 167 

 Lizards, 326-331 

 Llamas, 644 



Lobe-finned fish, 292, 294 

 Lobster, 207-220, 375, 397 

 Lobster-claw, 613, 614 

 Locomotor organs, 303 

 Locus, 587 



Logarithmic phase, of growth, 578 

 Loligo. See Squid 

 Longissimus dorsi, 304 

 Loop of Henle, 525 

 Luciferase, 432 

 Luciferin, 432 

 Lumbricus, 189-198 

 Lung, 81, 295, 477 

 Lungfish, 89, 293, 294, 295 

 Lijmnuea, 263 

 Lymph, 516 



Lymphatic system, 516, 517 

 Lymphocyte, 494, 516 



McClung, C. E., 585, 601 



Macrogametes, 130, 132 

 Macronucleus, 119 

 Macrorhinus, 343 

 Madreporite, 269 

 Magicicada. See Cicada 

 Malaria, 131, 132 

 Malleus, 405 



