181 



4700 



Johannsen, W. [The Judgment of 

 individual Offspring, elucidated by the 

 Features of hybrid Offspring] (Danish). 

 Kjobenliavn, Gartner Tidende Organ 

 for Almindelig Gartnerforening, 19, 1901, 

 (158-164). [3550]. 



Lotsy, [J. P.]. Heterogenesis in 

 Conifers. Nature, London, 64, 1901, 

 (618). [6500]. 



Ludwig, F. Variationsstatistische 

 Probleme und Materialien. Biometrika, 

 Cambridge, 1, 1901, (11-29, with figs.). 



M[asters], M. T. Variations in seed- 

 lings. Gard. Chron., London, (Ser. 3), 

 29, 1901, (30, with 2 figs.). 



Mendel, Gregor. Versuche liber 

 Pflanzenhvbriden. Flora, Marburg, 89, 

 1901, (361-403). [M 3550 L 2600]. 



Nowers, J. E. Green Elder fruit 

 [Samhiicus nigra, Linn.]. Sci. Gossip, 

 London, (N. Ser.), 8, 1901, (158). 

 [5400]. 



Pearson, Karl, and others (see Author's 

 index). Mathematical Contributions to 

 the Theory of Evolution. IX. — On the 

 principle of Homotyposis and its relation 

 to Heredity, to the variability of the 

 Individual, and to that of the Race. 

 Part I. Homotyposis in the Vegetable 

 Kingdom.. London, Proc. R. Soc, 68, 

 1901, (1-5) (Abstract) ; London, Phil. 

 Trans. R. Soc, A, 197, 1901, (285- 

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Raunkiaer, C. [On the Producing of 

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[Rendle, A. B.]. Variations in Bvhus 

 aush'alis, Forst. Pharm. J., London, 

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Vries, Hugo de. [Sur la naissance 

 d'especes par mutation]. (Hollandais). 

 Album der Natuur, Haarlem, 1901, 

 (193-206, avec 1 pL). [L 4300]. 



. . . origin of new 



species of plants. Amsterdam, Proc. 

 Sci. K. Akad. Wet., 3, 1901, (245-247) 

 (English) ; Amsterdam, Versl. Wis. Nat. 

 Afd. K. Akad. Wet., 9, 1901, (246- 

 248) (Dutch). [5100 L 4300]. 



4600 NATURAL AND ARTI- 

 FICLVL SELECTION. 



Henslow, G . The making and unmak- 

 ing of Flowers. A lecture. . . 

 London, J. R. Hort. Soc, 26, 1901, 



(115-129, with figs.). [0040 1500 

 4600]. 



Henslow, G. ^Mimetic resemblances 

 among plants. London, J. R. Hort. 

 Soc, 26, 1901, (327-331). 



Experimental researches 



into the origin of species [after H. de 

 Vries]. Gard. Chron., London, (Ser. 3), 

 29, 1901, (377-378). 



Janowski, Bronislaw. L' influence du 

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 rolu., Krakchv, 18, 1901, (1-4). 



Kobus, J[acob] D[erk]. Sur la selec- 

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KorscMnsky, S[ergej Ivanovic]. Hete- 

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4650 



DEGENERATION. 



Henslow, G. The making and xm- 

 niaking of Flowers. A lecture . . . 

 London, J. R.Hort. Soc, 26, 1901, (115- 

 129, with figs.). [0040 1500 4600]. 



4700 PHYLOGENY. 



Balfour, I. B. The communal 

 organisation of Angiosj)erms. Pharm. 

 J., London, (Ser. 4), 13, 1901, (366- 

 368, 390-393). [5400 6000]. 



Bohlin, Knut. Zur Phylogenie der 

 griinen Algen und der Archegoniaten 

 (Schwedisch, mit einem deutschen 

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Druery, C. T. The I'erns [and their 

 evolution]. Gard. Chron., London, (Ser. 

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Falkenberg, P[aulJ. Die Rhodome- 

 laceen des Golfes von Neapel und der 

 angrenzenden Meeres-Absclinitte. Fauna 

 Neapel, Berlin, 26, 1901, (XVI + 754, 

 mit 24 Taf.). 120 M. [7400 1000 



2000;!. 



Hallier, Hans. Ulier die Vorwandt- 

 schaftsverhaltnissc der Tubifloreu und 

 Ebenaten, den poly phyletischen Ursprung 

 der Sympelalen und A]MMal(Mi und die 

 Anordnung der Angiospcrmen ul)crliaupt. 

 A^orstudien zum Entwurf eincs Stamm- 

 baumes der Blutcn]iflanzcn. Hambui-g, 

 Abh. natw. Ver., 16, 2, 1901, Abhandl. 

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