INDEX 



5.37 



PAGE 



Iris II 



Iris weevil 349 



Ischnura 387 



Isolation 502 



Jellyfish 331 



Joint-grass 137 



Juncos 429 



Jungermannia 124 



Juvenescence 329 



Karyokinesis 294 



Katabolism 90 



Kidney 184, 188 



Kinetic energy 84 



Kinglet 476 



Kitten 480 



Labella 20 



Labium 18 



Labrum 18 



Lacinia 18 



Lack of insight 49 



Lactuca 40 



Lancelet 206, 214 



Language 489, 490 



Laughter 502 



Law of specialization . . 219, 422 



Leaf 130, 138, 143 



Learning by experience. . . 479 



Leaves of mosses 125 



Leeuwenhoek 299 



Legs : 17 



Lemurs 485 



Leopard frog 425 



Lepidoptera 24, 42, 44, 426 



Leptocephalus 343 



Lestes 376 



Leucocytes 173. 3 5° 



Libellula 285 



Lichen 390 



Lichen buds 395 



Life cycle 329 



Life process 82, 176, 2 17 



Line of descent 291 



Line of succession 291 



Linin 293 



Linnaeus 220 



Lioness 321 



Liver 186, 198 



PAGE 



Liverwort 238 



Lloyd Morgan quoted ... 364 



Loosestrife , 13 



Lop-ears in rabbits 



Lorica 37 



Loss of color 4 :> 5 



Lost api)endages 355 



Lungless salamanders .... 1S3 



Lymph vessels 213 



Macrobiotus 377 



Macropis ciiiata 8 



Macrosporangiuin 138, i 50 



Macrospore . . 138, 140, 149, 153 



]\Iad stone 505 



Magic 504 



Magnifying power 513 



Malacostraca 230 



Malpighian tubules 411 



Mammoth 4()^ 



Man 207 



]\Iandibles 18 



Mantle galls 39 



Manual training 487 



Marsh hawks 324 



Marsupials 242 



Matter 82 



Maturation 297, 299 



Maxilla kS, 231 



]\Iaxillipeds 231 



Mayflies 244, 258, 347 



Meaning of nurture 321 



Mechanical stimuli .^44 



Medulla 145, 192, 201 , 461 



Medusa 330 



Meganucleus 7.=>. '^o 



Mendel 310 



Mendelian inheritance ... 310 



Meristem 133 



Mesentery iJS6 



Mesoderm ' 7 ' • ' 73- '05 



Mesophytes 372 



Metabolism, 



86, 218. 329, 443. 457 

 Metamorphosis . . .342, 345. 352 



Metaphase 294 



Metazoa 441 



Metzneria 425 



Micrastcrias dS 



Micronucleus 75. So 



