Zoology

HUXLEY, THOMAS HENRY.

London, Harrison and Sons, 1888.

DARWIN, C. R.

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

NIELSEN, EIGIL.

København, Reitzel, 1942.

LEDENFELD, R.v.

Frankfurt a.M., 1890.

GRIMES, J. P.

(Nature), 1974.

LAMPERT, KURT.

KEMNER, N.A.

Stockh., 1934.

WEBER, MAX.

Leiden, Brill, (1914).

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

Barcelona, Bruguera, 1980.

MORTENSEN, H.

FABRE, J.H.

Paris, Delagrave, 1921.

LEVINSEN, G.M.R.

Copenhagen, 1912.

YOUNG, J.Z.

Oxford, Clarendon-Press, 1950.

SMITH, L.

Kbhvn., 1791.

WILLIAMS, C.B.

London, 1958.

FABER, FREDERICH.

Kbhvn., 1815.

WINGE, HERLUF.

Kbhvn., 1923-24.

SIMROTH, HEINRICH.

Leipzig, Konrad Grethlein's Verlag, 1907.