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MAMMALIA BY ALBERT GŰNTHER, M.A., M.D., PH.D., F.R.S.

THE GENERAL SUBJECT

a. Separate Publications.

DARWIN, C. The Expression of the Emotions in Man and Animals.

London: 1872. 16mo, pp. 374, with photographic and other illustrations.

Chapters iv. and v. bring this work within the scope of the Mammalian portion of the 'Zoological Record.' In the first of these chapters the author treats of the means of expression in animals, such as the emission of sounds produced by the vocal organs or otherwise, the erection of dermal appendages, and hairs under the emotions of anger and terror; the drawing back of the ears as a preparation for fighting; the erection of the ears and raising the head as a sign of attention. In the fifth chapter the special expressions of various animals (dogs, cats, horses, ruminants, and monkeys) are discussed (pp. 83-146).

--. The Origin of Species by means of Natural Selection, or the preservation of favoured Races in the struggle for Life. Sixth edition, with additions and corrections.

London: 1872. 16mo, pp. 458.

Beside small corrections and additions, some ot greater importance have been made in the fifth and sixth editions. For 1872. [VOL. IX.]

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the convenience of those who have studied previous editions the latter are tabulated by the author on p. xii. The author enters in the present edition into an examination of the  arguments brought forward in Mivart's 'Genesis of Species.'