442 
LECONTE. 
INDEX. 
LIVINGSTONE. 
Leconte, J. L., on the stridulant organ 
in the Coprini and Dynastini, i. 381. 
Lee, H., on the numerical proportion 
of the sexes in the trout, i. 308. 
Leg, calf of the, artificiallv modified, 
ii.' 340. 
Legitimate and illegitimate children, 
proportion of the sexes in, i. 302. ' 
Legs, variation of the length of the, 
in man, i. 108 ; proportions of, in 
soldiers and sailors, i. 116 ; fore, 
atrophied in some male butterflies, | 
i. 344 ; peculiarities of, in male : 
insects, i. 344. | 
Lek ” of the black-cock and caper- | 
cailzie, ii. 100. I 
Lemoine, Albert, on the origin of 
language, i. 56. 
Lemur macaco^ sexual difference of 
colour in, ii. 290. 
Lemurid^, i. 195 ; their origin, i. 
213 ; position and derivation of 
the, i. 202 ; ears of the, i. 23 ; 
variability of the muscles in the, 
i. 128. 
Lemurs, uterus in the, i. 123 ; tail- 
less species of, i. 194. 
Leopards, black, ii. 294. 
Lepidoptera, i. 386 ; numerical pro- 
portions of the sexes in the, i. 309 ; 
colouring of, i. 387 ; ocellated spots 
of, ii. 132. 
Lepidosiren^ i. 204, 212. 
Lenguas, disfigurement of the ears 
of the, ii. 341. 
Leptorhynchus angustatus, pugnacity 
of male, i. 375. 
Leptura testacea, difference of colour 
in the sexes of, i. 367. 
Lequay, on the occurrence of the 
supra-condyloid foramen in the 
humerus of man, i. 29. 
Leroy, on the wariness of young 
foxes in hunting-districts, i. 50 ; 
on the desertion of their young by 
swallows, i. 84. 
Lesse, valley of the, i. 29. 
Lesson, on the Birds of Paradise, i. 
269, ii. 98 ; on the sea-elephant, 
ii. 278. 
Lcstis bombylanSf difference of the 
sexes in, i. 366. 
Lethrus cephalotes, pugnacity of the 
males of, i. 371, 376. 
Leuckart, R., on the vesicula pro- 
statica, i. 31 ; on the influence of 
the age of parents on the sex of 
offspring, i. 302. 
Levator claviculx muscle, i. 128. 
Lihellula depressa, colour of the male, 
i. 363. 
Libellulid^, relative size of the 
sexes of, i. 347 ; difterence in the 
sexes of, i. 361. 
Lice of domestic animals and man, 
i. 219. 
Licentiousness, prevalence of, among ■ 
savages, i. 96 ; a check upon popu- 
lation, i. 134. 
Lichtenstein, on CJiera progne, ii. 
120 . 
Life, inheritance at corresponding 
periods of, i. 280, 285. 
Light, supposed effects of, i. 116 ; 
influence of, upon the colours of 
shells, i. 326. 
Lilford, Lord, the ruff attracted by 
bright objects, ii. 111. 
Limosa lapponica^ ii. 204. 
Linaria^ ii. 180. 
Linar ia montana, i. 307. 
Linnaeus, views of, as to the position 
of man, i. 190. 
Linnet, numerical proportion of the. 
sexes in the, i. 307 ; crimson fore- 
head and breast of the, ii.86 ; court- 
ship of the, ii. 94. 
Linyphia^ i. 337. 
Lion, polygamous, i. 268 ; mane of 
the, defensive, ii. 266 ; roaring of 
the, ii. 275. 
Lions, stripes of young, ii. 183. 
Lips, piercing of the, by savages, ii. 
341. 
Lithobius, prehensile appendages of 
the female, i. 340. 
Lithosia^ coloration in, i. 396. 
Littorina littorea^ i. 324. 
Livingstone, Dr., on the influence 
of dampness and dryness on the 
colour of the skin, i. 242 ; on the 
liability of negroes to tropical 
fevers after residence in a cold 
climate, i. 243 ; on the spur- 
winged goose, ii. 47 ; on weaver- 
birds, ii. 63 ; on an African night- 
jar, ii. 73, 97 ; on the battle-scars 
of South African male mammals, 
