Note 226 — Part III. ON THE FINAL CAUSES OF TRANSFORMATION.
Raphael Meldola translation
[Eng. ed. In 1878 Señor José M. Velasco published a paper entitled “Description, metamorfosis. y costumbres de una especie nueva del genero Siredon.” Memor. Sociedad Mexicana de Historia Natural, December 26th. See Addendum to this essay.]