THE material assembled in these two volumes consists of an index to the bibliography of a subject which is unusually scattered. Spore-forming and non-spore-forming species of anaerobic bacteria have come under review and 10,500 original articles published up to the end of 1937 are cited. In vol. 1 is found a chronological list of all the references arranged alphabetically under the authors' names; complete cross-reference entries are included for each of the joint authors together with the full title of each paper, a task involving approximately 120,000 entries. Vol. 2 consists of a general subject index, the references again being listed chronologically under the author's names; in this volume, however, the title of the paper is not given but can be obtained by reference to vol. 1.
The Anaerobic Bacteria and their Activities in Nature and Disease
A Subject Bibliography. By Elizabeth McCoy and L. S. McClung. Vol. 1: Chronological Author Index. Pp. xxiii + 295. Vol.2: Subject Index. Pp. xi + 602. (Berkeley, Calif.: University of California Press; London: Cambridge University Press, 1939.) 50s. net.