ce of Physical Conditions in the Genesis of Species,"
_Radical Review_, i., May, 1877. See also J. A. Allen in Bull. Mus.
Comp. Zooel. ii., 1871; also R. Ridgway, _American Journal of Science_,
December, 1872, January, 1873.

[229] Annual Report of the United States Geological and Geographical
Survey Territories, 1873. Pp. 543-560. See also the author's monograph
of Geometrid Moths or Phalaenidae of the United States, 1876, pp. 584-589,
and monograph of Bombycine Moths (Notodontidae), p. 50.

[230] Proceedings Academy of Natural Science, Philadelphia (1877),
p. 318.

[231] Proceedings of the American Philosophical Society (1889), p. 546.

[232] Transactions American Philosophical Society, xvi. (1890), and
later papers.

[233] _American Journal of Morphology_ (1891), pp. 395, 398.

[234] "Ueber die Darwinische Theorie in Besug auf die geographische
Verbreitung der Organismen." Sitzenb. der Akad. Muenchen, 1868.
Translated by J. L. Laird under the title, _The Darwinian Theory and the
Law of the Migration of Organisms_. London, 1873. Also _Ueber den
Einfluss der geographischen Isolirung und Colonierbildung auf die
morphologischen Veraenderungen der Organismen_. Muenchen, 1870.

[235] _Linnaean Society's Journal_: Zooelogy, xi., 1872.

[236] _Linnaean Society's Journal_: Zooelogy, xx., 1887, pp. 189-274,
496-505: also _Nature_, July 18, 1872.

[237] _Evolution without Natural Selection; or, The Segregation of
Species without the aid of the Darwinian Hypothesis_, London (1885),
pp. 1-80.

[238] _Revue Scientifique_, xix. (1877). p. 669. Quoted by Giard in
_Rev. Sci._, 1889, p. 646.

[239] _Animal Life as Affected by the Natural Conditions of Existence._
By Karl Semper. The International Scientific Series. New York, 1881.

[240] _Organic Evolution as the Result of the Inheritance of Acquired
Characters, according to the Laws of Organic Growth._ Translated by
J. T. Cunningham, 1890.

[241] _On Orthogenesis and the Impotence of Natural Selection in Species
Formation._ Chicago, 1898.

[242] _Die Farbenevolution bei den Pieriden_. Leiden, 1898.

[243] "On Mechanical Selection and Other Problems." _Novitates
Zoologicae_, iii. Tring, 1896.

[244] _Entwicklung der Raupenzeichnung und Abhaengigkeit der letzeren von
der Farbe der Umgebung_, 1894.

[245] _Transmutation der Schmetterlinge infolge
Temperatur-veraenderungen_, 1895.

[246] _Ueber den Einfluss der Temperatur bei der Erzeugung der
Schmetterlings-varie