Vertical Trunk (USA) Circumference measurement
The Complete Work of Charles Darwin Online
Archives Möbius World
The Voyage of the Beagle - GRIN
Vertical Trunk (USA) Circumference measurement (Semi-Nude on left
Vertical Trunk (USA) Circumference measurement (Semi-Nude on left
Darwin, C. R. 1865. On the movements and habits of climbing plants. [Read 2 February] Journal of the Linnean Society of London (Botany) 9: 1-118, 13 text figures.
Darwin, C. R. 1883. Essay on instinct. In Romanes, G. J., Mental evolution in animals. With a posthumous essay on instinct by Charles Darwin. London: Kegan Paul Trench & Co., pp. 355-384.
Post
Growth and development
The Project Gutenberg eBook of The Chautauquan, Vol. V, December 1884, No. 3, by The Chautauquan Literary and Scientific Circle.
Growth and development