181 



4700 



Johannsen, AV. [The Judgment of 

 individual OfTspring, elucidated by the 

 Features of hybrid Offspring] (Danish). 

 Kjobenhavn, Gartner Tidende Organ 

 for Almindelig Gartnerforening, 19, 1901, 

 (158-164). [3550]. 



Lotsy, [J. P.]. Heterogenesis in 

 Conifers. Xature, London, 64, 1901, 

 (618). [6500]. 



Ludwig, F. Variationsstatistische 

 I'robleme und Materialien. Biometrika, 

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



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

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

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



Mendel, Gregor. Versuche liliei- 

 rflanzenhvbriden. Flora, Marburg, 89, 

 1901, (364-403). [M 3550 L 2600]. 



Nowers, J. E. Green Elder fruit 

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

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

 [5400]. 



Pearson, Karl, and others (see Author's 

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 the Theory of Evolution. IX. — On the 

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 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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Raunkiser, C. [On the Producing of 

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

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Vries, Hugo de. [Sur la naissance 

 d'especes par mutation]. (HoUandais). 

 Album der Natuur, Haarlem, 1901, 

 (193-206, avec 1 pi.). [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). [5400 L 4300]. 



4600 NATURAL AND ARTI- 

 FICIAL 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. ilimetic 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 

 poids de la graine sur la cjuantite et la 

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 roln., Krakow, 18, 1901, (1-4). 



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

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 (241-268). [L 2700]. 



Korschinsky, S[ergej Ivanovic]. Hete- 

 rogenesis und Evohition. Flora, Mar- 

 burg, 89, 1901, (240-363). [M 4400 

 L3000 4300]. 



4650 



DEGENERATION. 



Henslow, G. The making and im- 

 making of Flowers. A lecture . 

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

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



4700 



PHYLOGENY. 



Balfour, 1. B. The commimal 

 organisation of Angiosp)erm&. Pharm. 

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



BohUn, Knut. Zur Phjdogenie der 

 grdneu Algen imd der Archegouiaten 

 (Schwedisch, mit einem deutschen. 

 Resume). Akadem. aflrandl. 

 Upsala, 1901, (43 + IV, with pi.). 22 cm. 



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

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

 3), 30, 1901, (365). [6700]. 



Falkenberg', P[aul]. Die Rhodome- 

 laceen des Golfes von Neapel und der 

 angrenzenden Meeres-Abschnitte. Fauna 

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

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

 2000]. 



Hallier, Hans. Uber die Verwandt- 

 schaftsverhiiltnisse der Tiibifloren und 

 Ebenaten, denpolyphyletischen Ursj^rung 

 der Sympetalen und AjDctalen und die 

 Anordnung der Angiospermentiberhaupt. 

 Vorstudien zum Entwurf eines Stamm- 

 baumes der Bliitenijflanzen. Hamburg, 

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

 2, (1-112). [5400]. 



