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WithinSource

On the Origin of Species By Means of Natural Selection

Page 386 of 406, printed 386

Kidneys of birds, 144. Kirby on tarsi deficient in beetles, 135. Knight, Andrew, on cause of variation, 7. Kolreuter: on the barberry, 98. on sterility of hybrids, 247. on reciprocal crosses, 258. on crossed varieties of nicotiana, 271. on crossing male and hermaphrodite flowers, 451. Lamarck on adaptive characters, 427. Land-shells: distribution of, 397. of Madeira, naturalised, 402. Languages, classification of, 422. Lapse, great, of time, 282. Larv , 440. Laurel, nectar secreted by the leaves, 92. Laws of variation, 131. Leech, varieties of, 76. Leguminos , nectar secreted by glands, 92. Lepidosiren, 107, 330. Life, struggle for, 60. Lingula, Silurian, 306. 386
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