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Show BY THE SAME AUTHOR. -~ ON THE ORIGIN OF SPECIES BY l\1EANS F NATUHAL R~LIWTION; or, 'l'HE Pm~sE~'" ,\ 'l'ION .~F FAYOUttiW ltAOI~8 IN 1'11E STtt~cou: FOR LwE. Sixth l~dition. .Stxteenth 1 housand. runt.A Y. 'fHE DESORNT OF MA~, A~D ~l:~OTI<?N IN RELA-TWN TO S~~X . . With lllustratwns. ~ccond 11,uttl0n, r \'lSCtl a11tl n.u ~mrntcd. Eleven! h 1'/tou,sand. 1\1 c I :ItA Y • '£HE VARIATl' )N OF .ANIMALS AND rLAN'r~ UNDER DOM"ESTtCATlON. With lllu trations. R coml l~tlition 1'(' \ isr!l. J'Oit?'lh 'J'ltousand. 2 vols. I n t:A1. THE RXPRES~ION OF 'filE El\10TfON IN l\TA N AND ANIMALS. With Pbotogmpbic and otb r 11 \m;t rati 11". Xiulh '1'/wwanri. l\1 ltlt.\Y. ON TH~ VARIOUS 0\T'fRIVANC'Ef i BY WIJJ( 'l[ DHJTII'H A~D FOREWN OHCUm.· ARI~ FEH,'l'JLISIW HY 1N ~Jo: 'TS. ·''ecuncl Edition, Tevised. With W uodcuts. M u uttA Y. INSECTIVOROUS PLANTS. With Illustration . Thircl 1\TUHlL\Y. Thousand. THE MOVEMENTS AND HABIT OF CLil\IBlN(.; PLANTS. With lllu trat:ons. .,..,·econd .h.'dition, nv,sed. l\1 OHitA\. 'filE EFFECTS O:B, OROS~ AND SELF FERTILIRATIO .,. IN 'l'.H1D VEGETABLE KlNGDO:YI. iltm~t:AY. A NATUHALlST'S VOYAGR ROUND TilE 'VOHLD; or, A Jol:R"AL OF J1Est~AHCIIES Il'TO THE ATIJt:,\L llr )oo.TOI:Y ,\ :\ 1> <l t.:O t OU ¥ m Tm: Coo:NTR!ES v1sitetl during the Voya~t' of 11.::\l .s. 'B •nl,; • ~',' undr r tlJ" com-mand of Captain l•nzltoY, H.~. Thitleenlh '/'J.ou sand. :i\lt.JI:t:AY. ON 'l'HE b'fRUCTURE AND DISTIUBUTJON OF 10HAL RE1£FS. Seccntt l .dition, 1·evised. .')11'1'11, El.l>l· t: ,. 'o. GEOLOGICAL OBRERVATION ON TilE VOL AN£0 ISLANDS AND PARTS OF SOUTH AMEIUCA, viRilNlllming the \ 'oyng· ofll.M.S. 'Beagle.' Second J,dition. H~IITII , I~ I.Utm & l 'o. A MONOGRAPH OF 'l'Hl~ OIRRIPEDIA. With nmnerom; Illustrations. 2 vols. Svo. KAY ,·o ·tETY. 11Atww ru KE. A MONOGRAPH OF THE FO SIL LEI ADlD.lE OR PEDUNCULATED ClRRIPEDS OF GREAT BlUTAl . l'ALJEO~TO ltAPIII AL OCTETY, ] >~51. A MONOGRAPH OF THE FOSSIL BALANID.lE AND VERRUCII>JE OF GREAT BltlTAlN. }J ALJEONTOCitAl'lll AL ' IE'l' l', 1 54. ~,AO~'S AND ARGUMENTS FOR DALtWTN. By FHITZ ~u~um. From the Gcn~an, with Additions by tllc uthor. Tmiu;lntcd hy · ·DALLAS, F.L.S. W1th lllustrations. l'ost 8vo. l\1ututAY. LONDON: l'RINTED BY WILLIAM CLOWES .AND :'ON , !:i1'Allll'0BD STREET AND CII.AIUNG CUOS::i. U 0 NT EN T S. CHAPTER I. hi'CRODU TORY HEl\fARK Various means which f<tvour or determine the cro s-fertilisation of' plants-Benefits derived from cro s-fertilisation-Self-fertilisation favonr.able to tl~e propagation of the species- Brief history of the subject- ObJect of the experiments, and the manner i 11 which they were tried-Statistical value of the measurementsThe experiments carried on durinbcr several successive crenera- • b twns- Nature of the relationship of the plants in the later generations- Uniformity of the conditions to which the plants were ~ubjectecl- Some apparent and some real causes of errorAmount of pollen employed- Arrangement of the work- . Importance of the conclusions Page 1-27 CHAPTER II. Co:NVOL vuLACElE. I pomma rurpurt'a, comparison of the hei£Iht and fertility of the crossed ~nd s If-fertilised plants during ten successive generatiooo- Greater constitutional vigour of the crossed plantsThe effects on the offspring of crossing different flowers on the same plant, ins tend of crossing distinct individuals- The effects of a cross with a fresh stock -The descendants of the self-fertilised plant named Hero- Summary on the growth, vigour, and fertility of the successive crossed and self-fertilised generations- Small amount of pollen in the anthers of the self-liNIVFRSITY OF UTAH IIRRARIES |