567 Palm, Ueber das Winden der Pflanzen, 1827; von Mohl, Bau und Winden der Ranken, etc., 1827; Dutrochet, Mouvements rûˋvolutifs spontanûˋs, C.R. 1843, etc.
568 Cf. (e.g.) Lepeschkin, Zur Kenntnis des Mechanismus der Variationsbewegungen, Ber. d. d. Bot. Gesellsch. XXVI A, pp. 724ã735, 1908; also A. TrûÑndle, Der Einfluss des Lichtes auf die PermeabilitûÊt des Plasmahaut, Jahrb. wiss. Bot. XLVIII, pp. 171ã282, 1910.
569 For an elaborate study of antlers, see RûÑrig, A., Arch. f. Entw. Mech. X, pp. 525ã644, 1900, XI, pp. 65ã148, 225ã309, 1901; Hoffmann, C., Zur Morphologie der rezenten Hirschen, 75 pp., 23 pls., 1901: also Sir Victor Brooke, On the ClasôÙsiôÙfiôÙcaôÙtion of the Cervidae, P.Z.S., pp. 883ã928, 1878. For a discussion of the development of horns and antlers, see Gadow, H., P.Z.S., pp. 206ã222, 1902, and works quoted therein.
570 Cf. Rhumbler, L., Ueber die AbhûÊngigkeit des Geweihwachstums der Hirsche, speziell des Edelhirsches, vom Verlauf der BlutgefûÊsse im Kolbengeweih, Zeitschr. f. Forst. und Jagdwesen, 1911, pp. 295ã314.
571 The fact that in one very small deer, the little South American Coassus, the antler is reduced to a simple short spike, does not preclude the general distinction which I have drawn. In Coassus we have the beginnings of an antler, which has not yet manifested its tendency to expand; and in the many allied species of the American genus Cariacus, we find the expansion manifested in various simple modes of ramification or bifurcation. (Cf. Sir V. Brooke, ClasôÙsiôÙfiôÙcaôÙtion of the Cervidae, p. 897.)
572 Cf. also the immense range of variation in elksã horns, as described by LûÑnnberg, P.Z.S. II, pp. 352ã360, 1902.
CHAPTER XV ON THE SHAPES OF EGGS, AND OF CERTAIN OTHER HOLLOW STRUCTURES
586 De avibus circa aquas Danubii vagantibus et de ipsarum Nidis (Vol. V of the Danubius Pannonico-mysicus), Hagae Com., 1726.
587 Sir Thomas Browne had a collection of eggs at Norwich, according to Evelyn, in 1671.
588 Cf. Lapierre, in Buffonãs Histoire Naturelle, ed. Sonnini, 1800.