Abstract
IN this new edition there are, besides smaller additions, three new chapters dealing respectively with protozoa as parasites of man, with nema-todes, and with cold-blooded vertebrates. In the first of these chapters a short account is given of Entamoeba, Balantidium, Trypanosoma, and Plasmodium, and of their modes of transmission. There would seem to be no sound reason for employing the name Entamoeba dysenteriae instead of the well-known E. histolytica, especially in a junior students' text-book. In the chapter on nematodes the author gives an account of Ascaris, a summary of the principal types of life-history met with in the group, and a short statement of the special characters of parasites. In the account of Filaria bancrofti it should have been stated that the larvae taken up by mosquitoes finally reach the labium (proboscis), and not the salivary glands (as stated on p. 304). In the chapter on cold-blooded vertebrates the figure of the cranial nerves of the skate is not correct in certain particulars. The outer buccal nerve (part of the seventh cranial nerve) is labelled wrongly as the maxillary branch of the fifth nerve, and the real maxillary is not labelled. The direction of the internal mandibular nerve and the external mandibular are not well shown. But these are only small blemishes. The book is excellently illustrated and written with a broad outlook.
A Manual of Elementary Zoology.
By L. A. Borradaile. Second edition. Pp. xiv + 616. (London: Henry Frowde, and Hodder and Stoughton, 1918.) Price 16s. net.
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[Book Reviews]. Nature 103, 83 (1919). https://doi.org/10.1038/103083c0
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DOI: https://doi.org/10.1038/103083c0