LAFRESNAYE. 



INDEX. 



LECKY. 



441 



Lafresnaye, M. de, on Birds of 



Paradise, ii. 78. 

 Lamarck, on the origin of man, i. 4. 

 Lamellibranciiiata, i. 324. 

 Lamellicorn beetles, horn-like pro- 

 cesses from the head and thorax of, 

 i. 370, 373 ; analogy of, to Rumin- 

 ants, i. 373 ; influence of sexual 

 selection on, i. 377. 

 Lamellicornia, stridulationof, i.380. 

 Lamont, Mr. on the tuslrs of the 

 Walrus, ii. 2412 ; on the use of its 

 tusks by the Walrus, ii. 257. 

 Lampornis 2]orplujrurus, colours of 



the female, ii. 168. 

 Lancelet, i. 204, 212. 

 Landois, H., on the production of 

 sound by the Cicadae, i. 351 ; on the 

 stridulating organ of the Crickets, 

 i. 354 ; on Decticus, i. 355 ; on the 

 stridulating organs of the Acri- 

 diidffi, i. 356 ; on the presence of 

 rudimentary stridulating organs in 

 some female Orthoptera, i. 359 ; on 

 the stridulation of NecropJtonis, i. 

 378 ; on the stridulant organ of 

 Ceram'tijx heros, i. 380 ; on the 

 stridulating organs in the Coleo- 

 ptera, i. 382 ; on the ticking of 

 Anobmin, i. 385 ; on the stridulant 

 organ of Geotrupes, i. 380. 

 Language an art, i. 55 ; articulate, 

 origin of, i. 56 ; relation of the 

 progress of, to the development of 

 the brain, i. 57 ; effects of inherit- 

 ance in production of, i. 58 ; com- 

 plex structure of, among barbarous 

 nations, i. 61 ; natural selection in, 

 1. 61 ; gesture, i. 232 ; primeval, i. 

 235 ; of a lost tribe preserved by a 

 parrot, i. 236. 

 Languages, presence of rudiments in, 

 i. 60 ; classification of, i. 60 ; vari- 

 ability of, i. 60 ; crossing or blend- 

 ing of, i. 60 ; complexity of, no 

 test of perfection or proof of special 

 creation, i. 62 ; resemblance of, 

 evidence of community of origin, i. 

 189. 

 Languages and species, identity of 

 evidence of their gradual develop- 

 ment, i. 59. 

 Lanius, ii. 180 ; characters of young, 

 ii. 185. 



Lanius rufus, anomalous young of, ii. 

 211. 



Lankester, E. R., on comparative 

 longevity, i. 168, 171; on the de- 

 structive effects of intemperance, i. 

 173. 



Lanugo, of the human foetus, i. 25 ; 

 ii. 375. 



Lapponian language, highly arti- 

 ficial, i. 61. 



Lark, proportion of the sexes in the, 

 i. 307 ; female, singing of the, ii. 

 54. 



Larks, attracted by a mirror, ii. 112. 



Lartet, E., on the size of the brain 

 in mammals, i. 51 ; comparison of 

 cranial capacities of skulls of recent 

 and tertiary mammals, i. 146 ; on 

 Dryopithecus, i. 199. 



Larus, seasonal change of plumage in, 

 ii. 228. 



Larva, luminous, of a Brazilian 

 beetle, i. 345. 



Larynx, muscles of the, in song- 

 birds, ii. 55. 



Lasiocampa quercus, attraction of 

 males by the female, i. 311 ; sexual 

 difference of colour in, i. 398. 



Latham, R. G., on the migrations of 

 man, i. 136. 



Latooka, perforation- of the lower 

 lip by the women of, ii. 341. 



Laurillard, on the abnormal division 

 of the malar bone in man, i. 124. 



Lawrence, W., on the superiority 

 of savages to Europeans in power 

 of sight, i. 118; on the colour of 

 negro infants, ii. 318 ; on the fond- 

 ness of savages for ornaments, ii. 

 338 ; on beardless races, ii. 349 ; 

 on the beauty of the English aris- 

 tocracy, ii. 357. 



Layard, E. L., on an instance of 



rationality in a Cobra, ii. 30 ; on 



the pugnacity of Galliis Stanleytj 



ii. 44. 



Laycock, Dr., on vital periodicity, 



i. 12. 

 Leaves, decaying, tints of, i. 323, 

 Lecky, Mr., on the sense of duty, i. 

 71 ; on suicide, i. 94 ; on the prac- 

 tice of celibacy, i. 96 ; his view of 

 the crimes of savages, i. 97 ; on the 

 gradual rise of morality, i. 103. 



