INDEX 



835 



laut organ of Gleotrupes, 396; on 

 the stridulating organs in the Oole- 

 optera, 399 ; on the ticking of Ano- 

 bium, 400. 



Landor, Dr. , on remorse for not obey- 

 ing tribal custom, 156. 



Language, an art, 121 ; articulate, ori- 

 gin of, 122; relation of the progress 

 of, to the development of the brain, 

 123; effects of inheritance in pro- 

 duction of, 124; complex structure 

 of, among barbarous nations, 128; 

 natural selection in, 128; gesture, 

 238; primeval, 240; of a lost tribe 

 preserved by a parrot, 241. 



languages, presence of rudiments in, 

 126; classification of, 126; variabil- 

 ity of, 126-127; crossing or blend- 

 ing of, 126; complexity of, no test 

 of perfection or proof of special crea- 

 tion, 128; resemblance of, evidence 

 of community of origin, 199. 



and species, identity of evidence 



of their gradual development, 126. 



Lanius, 595 ; characters of young, 599. 



■ rufus, anomalous young of, 622. 



Lankester, B. R., on comparative lon- 

 gevity, 180, 183 ; on the destructive 

 effects of intemperance, 185. 



Lanugo, of the human foetus, 38, 

 172. 



Lapponian language, highly artificial, 

 127. 



Lark, proportion of the sexes in the, 

 327 ; female, singing of the, 480. 



Larks, attracted by a mirror, 533. 



Lartet, E., comparison of cranial ca- 

 pacities of skulls of recent and ter- 

 tiary mammals, 81 ; on the size of 

 the brain in mammals, 114 ; on Dry o- 

 pithecus, 208; on prehistoric flutes, 

 734. 



Larus, seasonal change of plumage in, 

 636. 



Larva, luminous, of a Brazilian beetle, 

 366. 



Larynx, muscles of the, in song-birds, 

 481. 



Lasiocampa quercus, attraction of males 

 by the female, 333 ; sexual difference 

 of color in, 412. 



Latham, B. G., on the migrations of 

 man, 72. 



latooka, perforation of the lower lip 

 by the women of, 741. 



Laurillard, on the abnormal division of 



the malar bone in man, 61. 

 Lawrence, W., on the superiority of 

 savages to Europeans in power of 

 sight, 55 ; on the color of negro in- 

 fants, 718; on the fondness of sav- 

 ages for ornaments, 742; on beard- 

 less races, 747-748; on the beauty 

 of the English aristocracy, 754. 

 Layard, B. L., on an instance of ra- 

 tionality in a cobra, 468; on the 

 pugnacity of Gallus Stanleyi, 471. 

 Layoock, Dr., on vital periodicity, 24 j 



theroid nature of idiots, 58. 

 Leaves, autumn, tints useless, 346. 

 Leoky, Mr., on the sense of duty, 135; 

 on suicide, 159; on the practice of 

 celibacy, 161 ; his view of the crimes 

 of savages, 161; on the gradual rise 

 of morality, 169. 

 Leconte, J. L., on the stridulant organ 

 in the Corpriui and Dynastini, 397. 

 Lee, H., on the numerical proportion 



of the sexes in the trout, 329. 

 Leg, calf of the, artificially modified, 



739-740. 

 Legitimate and illegitimate children, 



proportion of the sexes in, 321. 

 Legs, variation of the length of the, in 

 man, 46; proportions of, in soldiers 

 and sailors, 54; front, atrophied in 

 some male butterflies, 365 ; peculiari- 

 ties of, in male insects, 365; 

 Leguay, on the occurrence of the 

 supra-condyloid foramen in the hu- 

 • merus of man, 41. 

 "Lek" of the black-cock and caper 



cailzie, 523. 

 Lemoine, Albert, on the origin of lan- 

 guage, 122. 

 Lemur macaco, sexual difference of 



color in, 693. 

 Lemuridae, 204; ears of the, 33; vari- 

 ability of the muscles in the, 64-65 ; 

 position and derivation of the, 210; 

 their origin, 220. 

 Lemurs, uterus in the, 61. 

 Lenguas, disfigurement of the ears of 



the, 741. 

 Leopards, black, 697. 

 Lepidoptera, 401 ; numerical propot- 

 tions of the sexes in the, 329; col- 

 oring of, 403; ocellated spots of, 

 552. 

 Lepidosiren, 213, 220. 



