JAEGER. 



INDEX. 



JUPITER. 



439 



Jaeger, Dr, on tlie difficvilty of ap- 

 proaching herds of wild animals, i. 

 7-i ; on the increase of length in 

 bones, i. 116 ; on the deposition of 

 a male Silver-pheasant on account 

 of spoiled plumage, ii. 120. 



Jaguars, black, ii. 294. 



Janson, E. W., on the proportions of 

 the sexes in Tomicus vi/losus, i. 314 ; 

 on stridulant beetles, i. 379. 



Japan', encouragement of licentious- 

 ness in, i. 134. 



Japanese, general beardlessness of 

 the, ii. 321 ; aversion of the, to 

 whiskers, ii. 349. 



Ji^RDiNE, Sir W., on the Argus phea- 

 sant, ii. 72, 97. 



Jarrold, Dr., on modifications of the 

 skull induced by unnatural posi- 

 tion, i. 147. 



Javanese, relative height of the sexes 

 of, ii. 320 ; notions of female beauty, 

 ii. 347. 



Jaw, influence of the muscles of the, 

 upon the physiognomy of the apes, 

 i. 144. 



Jaws, smaller in the same ratio with 

 the extremities, i. 117 ; influence 

 of food upon the size of, i. 118; 

 diminution of, in man, 1. 144 ; in 

 man, reduced by correlation, ii. 325. 



Jay, young of the, ii. 209 ; Canada, 

 young of the, ii. 209. 



Jays, new mates found by, ii. 104 ; 

 distinguishing persons, ii. 110. 



Jeffreys, J. Gwyn, on the form of 

 the shell in the sexes of the Gastero- 

 poda, i. 324 ; on the influence of 

 light upon the colours of shells, i. 

 326. 



Jelly-fish, bright colours of some, 

 i. 322. 



Jenner, Dr., on the voice of the rook, 

 ii. 61 ; on the finding of new mates 

 by magpies, ii. 103 ; on retardation 

 of the generative organs in birds, 

 ii. 107. 

 Jenyns, L., on the desertion of their 

 young by swallows, i. 84 ; on male 

 birds singing after the proper sea- 

 son, ii. 107. 

 Jerdon, Dr., on birds dreaming, 46 ; 

 on the pugnacity of the male bul- 

 bul, ii. 41 ; on t-.e pugnacity of the 



male Ortngornis gularis, ii. 44 ; on 

 the spurs of (jrallopenUx. ii. 46 ; on 

 the habits of Lobminellus, ii. 48 ; 

 on the spoonbill, ii. 60 ; on the 

 drumming of the Kalij-pheasant, ii. 

 63 ; on Indian bustards, ii. 65 ; on 

 Otis bengalensls, ii. 69 ; on the ear- 

 tufts of Si/pheotides nuritus, ii. 73 ; 

 on the double moults of certain 

 birds, ii. 82 ; on the moulting of 

 the honey-suckers, ii. 83 ; on the 

 moulting of bustards, plovers, and 

 drongos, ii. 84 ; on display in male 

 birds, ii. 86 ; on the spring change 

 of colour in some finches, ii. 86 ; 

 on the diplay of the under tail- 

 coverts by the male bulbul, ii. 96 ; 

 on the Indian honey-buzzard, ii. 

 126 ; on sexual differences in the 

 colour of the eyes of hornbills, ii* 

 129; on the markings of the Tra- 

 gopan pheasant, ii. 134; on the ni- 

 ditication of the Orioles, ii. 168; 

 on the nidification of the hornbills, 

 ii. 169; on the Sultan yellow-tit, 

 ii. 174; on Palxornis javanicus, ii. 

 180 ; on the immature plumage of 

 birds, ii. 186 et seq. ; on represen- 

 tative species of birds, ii. 190 ; on 

 the liabits of Turnix, ii. 202 ; on 

 the continued increase of beauty of 

 the peacock, ii. 216; on coloration 

 in the genus I\ilaiorms, ii. 231. 



Jevons, W. S., on the migrations of 

 man, i. 135. 



Jews, ancient, use of flint tools by 

 the, i. 183 ; uniformity of, in 

 various parts of the world, i. 242 ; 

 numerical proportion of male and 

 female births among the, i. 301 ; 

 ancient, tattooing practised by, ii. 

 339. 



Johnstone, Lieut., on the Indian 

 elepliant, i. 268. 



Jollofs, fine appearance of the, ii. 

 357. 



Jones, Albert, proportion of sexes of 

 Lepidoptera, reared by, i. 313. 



Juan Fernandez, humming-birds of, 

 ii. 221. 



Junonia, sexual differences of colour- 

 ing in species of, i. 389. 



Jupiter, Greek statues of, ii. 350. 



