OCR Text |
Show ..j;"j() l'J.ANAHI :l:, l~DE:X. l'tmw•·iu;, bri~ht colours of some, i. :322. l'r,AN'l'AIN-EA'I'I·: lls, col<lltrs and nidi- , ficatiou of the, ii. 171; both sexes of, equally brilliant, ii. 177. l'I,AN'I'S, cultinttcd, more f•rtile than wild, i. 132; .Nfigeli, on natural selection in, i. 152; male flowers of, mature before the femal e, i. :.WO; vhenomena of fertilisation in, i. 273; relation between uutnber and size of seeds in, i. :317. Plataloa, ii. GO; change of plumn~e in, ii. 179. Ptt~ty&lomntt8, i. :361. l 'tatyrcrcus, young of, ii. 209. Ptatyph!Jltttm conravwn, i. :3:>2, :J5G. l'r,ATYRIW IN I, monkey~, i. 1 !)(). l'i,A'L'YSMA myoides, i. 19. l'tccostomus, head-t<'ntacles of the male of a species of, ii. 10. l'tccostom•ts utwuatns, peculiar beanl of the male, ii. 10. l'fcctropteru8 yamucnsis, spurred win~s of, ii. 46. l'toceus, ii. 54. PLOVJms, wing-spurs of, ii. 48; double moult in, ii. 83. Pr,UMAGI·:, changes of, inheritance or, by fowls, i. 281; tend ency to analagous variation in, ii. 74; display of, by male birds, ii. 8u, 9G ; changes of; in relation to season, ii. 180; immature, of Lirus, ii. 183, 187; colour of, in 1·elation to protection, ii. 223. I'LUl\lES on the head in birds, dill'crence of, in the sexes, ii. 1G4. l'ncwnom, structure of, i. 357. l'odic(t, sexual difference in the ' colour of the irides of, ii. 128. l'm:l'l'Jt:, on the contact of civilised and. savage races, i. ~39. POISON, avoidance of, by animals, i. 49. l'OISONOUS fruits and herbs avoided uy animals, i. 3G. l'OISONS, immunity from, correlated wit.h colour, i. 24-2. I'OLIHH fowls, origin of the crest in, i. 284. POLLEN and van Dam, on the colours of Lcmttr mocaco, ii. ~UO . Por,YA~mw, ii. 3G5 ; in certain cyprinidrc, i. 300; nmong the elateridrc, i. :.31:1. J'OLYDACT YI.I. M in man, i. 125. Po1.YGA~1v, influence of; upon sexual ~election, i. 265; superinduced by domestication, i. 270; supposed increase of female births by, i. 003; in the stickleback, ii. 2. POLYGJ,;NJ,'l'S, i. ~28 . Por.YNESrA, prevalence of infanticide in, ii. aG4. l'oLYNESfANS, aversion of, to hairs on the face, ii. :34!1; wide geographical rnnge of; i. 112;. clifl'crence of stature among the, 1. 115; croRses of, i. 225; varinbility of, i. 225; heterogeneity of the, i. 241. Fol,tjplectron, display of plumage by the male, i. 9; number of spurs in, ii. 46 ; gradation of charaders in, ii. 137; female of, ii. 194. l'otypfcctron cltinquis, ii. 90, 138, 1:19. Potyptectron Jfw·dtcicllii, ii. 1 ~18 , 139. l'otyplcctron uwtacl'ensc, ii. 10P, 140. f>otyplcctron Napoteonis, ii. 1:38, 140. l'OLYZOA, i. 32.J.. Pontoporeitt (lifinis, i. 329. PortCUPINE, mute, except in the rut-ting season, ii. 274. Po1ms, excretory, numerical ·el:ttiou of, to the hairs in sheep, i. 248. 1'0111itro, bright colours of some, i. :322. l'vrtax picta, dorsal crest ald throattuft of, ii. 282; sexual differences of colour in, ii. 287, 299. l'odwttts pubcr, pugnacity of, i. :1:-J:t Potwllocl!oer!tS pcnicitlatu.\ tusks and fitcial knobs of the, ii. 2:iG. POUCIIET, G., on the rat.ic of instinct and intelligence, i. 37; on the in· stincts of ants, i. 1 7; m the caves of Abou-Simbel, i. 217; on the immunity of negroes f•om yellow fc1•er, i. 24:3. PouTEit pigeon, late dcrclopment of the large crop in, i. 2l:l. POWEit, Dr., on the diferent colours ?f Y'.? sexes in a ~pc:ies of Squilla, 1 • ..>:3;). Powvs, Mr., on the habits of the chaffinch in Corfu, .. :307. PrtE-1·::\1TNtmc" of 111~1, i. 1:37. 1'1~1-:FEilEXCI : . l~DEX. Ql'ATI:EFAr.I•:S, 457 Pln:FimE:-ICJE for males by female bir•ls, ii. ll :1, 1~:2; shown by mnmmnb, in pairing, ii. 2u8. l'ltEIII·::\Sll.l, organs, i. 2;iG. l'rc.~bytis entalttts, f-i~hting of the male, ii. :3;3-J.. l'l!i·:YEit, Dr., on supernumerary matnma• in women, i. 1~5. l'lli!'IIAIW, on thediflerence of stature among the Polynesians, i. ] t.i; on the connection between the breadth .,f' the skull in the Mongolians anti 1 he perfection of their senses, i. lUI; on the capacity of British skulls of dill'crent ages, i. 14G; on the flattened heads oft he Colombian sa I' ages, ii. 340; on Siamese notions Hf l•cauty, ii. 345; on the bearJlcssness of the, inmesc, ii. :34-9; on the deformation of the head among .\meri<'an tribes and the native~ of Ar;tkhan, ii. 352. Plti~lAitY sexual organs, i. 2.34. l'ltiMATE.', i. 190; sexual dill'crences of colour in, ii. 290. PIUMOCli,NlTUIH:, evils of, i. 170. l'ri11wta, relation between uumber and size of seeds in, i. 317. Pnro:-~LO ,lc, difference of the sexes in colour, i. 3G7. Pror·totretus 11t'ltltimaculatus, ii. 2G, :l7. 1'1'of'lot•·ctus tcnuis, sexual tl iiference in the colour of, ii. :37. J'ltO FLHl.\CY, i. 173. PROGE:-IITORS, early, of man, i. :lOG. l'ROGitE s, not the normnl rule in human society, i. 1G6; elements of, i. 177. l'lt0:-<0-IIOrtN, horns of, i. 289. l'ltOPORI'CO:\S, diflcrence of, in distinct races, i. ~lu. P1~.0TECTIVI;; colouring in butter£Iies, 1. 392; in lizards, ii. :37; in birds, ii. 197, 22:3; in mammals, ii. 298, ~D9. I'HOTECT! \'E nature of the dull co louring of female Lepidoptera, i. +0:3, 405, 414. Pn_~TE\T!VE resemblances in fishes, II, 1R. PROTOZOA, absence of s~condary sexual eltaraders in, i. :3:! t. PltL'l\Jo:lt-lll·:v, ou the occurrence of the supra-contlyloitl foramen in the It umerus of man, i. 29; on the l'olour of negro infants, ii. :318. Pt: I'S: 1 .\,numerical proportion of male and t'cmale Lirths in, i. 301. l'socus, proportions of the sexes in, i. :n4. l'TAIUlWAX, monogamous, i. 269; 'mnm~r and winter plumacre of' the ii. Sl, 83; nuptial assemb'Ia"'es of' ii. 101; triple moult nf tlw, ii: 181; protccti1·c coloration of, ii. lUH. l'L' FF-BTJ:OS, colours and nidilication of the, ii. 171. Pn:.xACl~¥ .of fine-pi umaged male bn·ds, 11. 9.1. PUMAS, stripes of young, ii. 18:3. l'ut•J>mS Jeaming from cats to clean their faces, i. 4-4. l'!Jcnonotus !t;cmorr/,oits, pugnacity of the male, ii. 41; di~play of under tail coverts by the male, ii. DG. l'y•·cmya tcstivll, male aidin(j' in incu-bation, ii. 167. " l'yrodc8, difT'crence of the sexes in colour, i. :167. Q. Qt·:"-OitU)fA~A, hands ot; i. 139; (liffcrences between mnn ancl the, i. 190; dependence of, on climate, i. 218; sexual difl'cJ·c1H'es of colour in, ii. 290; ornamental characters of, ii. 30G ; analogy of scx nal differences of, with thosr of 111nn, ii. :318; fighting of males for the fcmnles, ii. :l24; monogamous habits ot; ii. :3Gl; beards of the, ii. :378. QUArN, R, on the Yariation of' the muscles in man, i. 109. QuATUEFAf'.J,;S, A. de, on the occurren ce of a rudimentary tail in man, i. 29; on the moral sense as a distinction between mnn and animals, i. 70; on variability, i. 112; ou the fertility of Australian women with white men, i. :.121; on the Paulistas of Bmzil, i. ~25; on the evolution of the breeds of cattle, i. 2:10; on the .Jews, i. 242; on the liability of negroes to tropic·al f'c1·ers |