Liver, and sugar, [260];
and bile, [278].
Lizard, new legs and tails of, [304] and following;
third eye of, [337].
Lockjaw, [267] and following, [277].
Lungs, of chicks, [5], [6], breathing by, [243] and following.
Lymph cells, as defence, [280] and following;
duties of, [296] and following, [303].
Mammoth, [345].
Man, ancient, [351] and following;