SECTION I. — BIBLIOGRAPHY. 21

KuKULA. Richard [Cont'd].
This carefully edited work contains bibliographies of all the living Professors and teachers in German and Austrian Universities and High-schools and in every branch of knowledge. Though not confined to Science, it forms in part a supplement to Poggendorfif's Handworterbuch, so far as Germany and Austria are concerned.
Lacroix, Eugene.
Bibliographic des ingenieurs, des architectes, des chefs d'usines in- dustrielles, des eleves des ecoles polytechniques et professionelles, et des agriculteurs. Paris, 1863-67. 3 vols., sm. 4to.
The volumes are denoted as "premiere," " deuxieme," and "troisieme" " serie." Chemistry is not neglected.
Leeds, Albert R.
Index to the Literature of Peroxide of Hydrogen, 1818-1878. Extract
from Annals of the New York Academy of Sciences, vol. i. No. 13.
New York, 1880. pp. 11, 8vo. Supplement, 1879-1883. Idem., vol. iii, p. 153. New York, 1884. pp.
3, 8vo. Index to the Literature of Ozone, 1 785-1879. Annals of the New
York Academy of Sciences, vol. i. No. 12. New York, 1880. pp.
32, 8vo. Supplement, 1879-1883. Idem., vol. iii, p. 137. New York, 1884. pp.
16, 8vo.
Cf., in Section III, Dachauer ; also Moigno.
Leuchs, Johann Carl.
Beschreibung der fiirbenden und farbigen Korper. Nurnberg, 1825. Contains a bibliography of dyeing, etc. For full title, see in Section V. Polytechnische Biicherkunde, oder beurtheilendes Verzeichniss der vorziiglichsten Biicher liber Chemie, Technologic, Fabrikwissen- schaft, Mechanik und einzelne Gewerbszweigc. Ein Hilfsbuch fiir Privatpersonen und Buchhandler zur Kenntniss und Auswahl zu kaufender Bucher. Nurnberg, 1829. 8vo.
Second edition, 1 83- Third edition, 184 1. Fourth edition, 1846. 8vo. Vollstandige Essigfabrikation. Nurnberg, 1840.
Contains a bibliography of vinegar manufacture. For full title, see in