Studies in Organic Morphology: An Abstract of Lectures Delivered Before the Pottsville Scientific Association, in 1855 and 1856. Containing Historical Notices of this Branch of Science, Together with Original Formulae and Constructions of Curved Lines, Designed to Assist in the Imitation of Organic Forms
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4th branch Ammonites angle of divergence animal kingdom appear asymptotes axis becomes belongs Bernoulli Burmeister calculated called central nucleus centre circle circular segment Compare concho-spiral cone conic sections considered constant convolution distances cycle cyclocentric cylinder derived diameter directrix Diversity ecoske ecosy equation explanation expression figures flowers foliorum formation formula geometrical progression golden section Grandus growth hyperbola Ibid idea infinite inner intersecting JOHN WARNER labors Leipzig logarithmic spiral Lotze M'Cosh means measurements method morpho nature Naumann Nautilus Pompilius Navicula number of leaves number of turns organic forms ORGANIC MORPHOLOGY original outline Oval oviduct parabola Physiologie Planorbis plant polar angle pole position present proportion Quincunx radii radius vector ratio reader relation remarks represents researches resemblance revolution rule secondary shell similar species spiculum straight lines supposed symmetrical tangent tion tree Triceratium vegetable kingdom whole Zeising