Zoology

PROSCH, V.

Kbhvn., 1855.

RAREY, J.S.

Braunschweig, Vieweg und Sohn, 1858.

JENNINGS, H. S. [HERBERT SPENCER].

[No printer], 1909.

HUXLEY, THOMAS HENRY.

London, Harrison and Sons, 1888.

DARWIN, C. R.

London and New York, Macmillan and Co., 1871.

LAMPERT, KURT.

KEMNER, N.A.

Stockh., 1934.

NIELSEN, EIGIL.

København, Reitzel, 1942.

LEDENFELD, R.v.

Frankfurt a.M., 1890.

GRIMES, J. P.

(Nature), 1974.

WEBER, MAX.

Leiden, Brill, (1914).

DARWIN, CHARLES (+) FAUSTINO, CORDON (translator)

Barcelona, Bruguera, 1980.

MORTENSEN, H.

YOUNG, J.Z.

Oxford, Clarendon-Press, 1950.

FABRE, J.H.

Paris, Delagrave, 1921.

LEVINSEN, G.M.R.

Copenhagen, 1912.

SMITH, L.

Kbhvn., 1791.

WILLIAMS, C.B.

London, 1958.