Comments on a letter from Fritz Müller [11839] and particularly on the subject of the disappearance of certain structures in organisms. FM’s explanation deserves serious consideration.
Comments on a letter from Fritz Müller [11839] and particularly on the subject of the disappearance of certain structures in organisms. FM’s explanation deserves serious consideration.
Reports information sent by E. Schulte [12254] on the colours of the male Diadema bolina.
Discusses extent to which consciousness came into play in the origin of certain instincts, including sexual display.
CD has repeated a test of whether hybrids of the common and Chinese goose are fertile inter se. Reports his success, and comments on its significance for the theory of descent.
In reply to a query [in Nature 19 (1879): 433] CD reports that vessels full of water were kept on the deck of a ship to discourage rats from gnawing holes in the ship’s water casks.