Part II has separate pagination and bears the title : Description of a Pneu-

matic Apparatus with directions for procuring the factitious airs. By James Watt, 1795. For a Supplement to Part J I see : Watt, James, Supplement. Part III contains letters from Carmichael, Darwin, Ewart, Ferriar, Garnet, Johnstone, Pearson, Thornton and Trotter ; also from Atwood, Barr, W. W. Capper, Gimbernat, Sandford and others.
Been, Johannes Nicolaus
Pertractatio trium quaestionum physicarum de auro, sole chymiconim. Hafniae, 1706. 4to.
Beets, Martinus Nicolaas.
Grondbeginselen der artsenijmengkundige scheikunde. Haarlem,
1812, 8vo. Volks-Scheikunde. Amsterdam, 1815. 111.
Beguin, Jean [Beguinus, Johannes].
Tyrocinium chymicum, e naturae fonte et manuali experientia de- promptum. Paris, 1608. i2mo.
Secunda editione recognitum. Colonise, 16 12. i2mo. Postrema editione. Coloniae, 16 15.
296 BIBLIOGRAPHY OF CHEMISTRY.
Beguin, Jean. [Cont'd.]
Editio sexta per Christophoro Gliickradt. n. p. 1625.
* Tyrocinium chymicum ; antehac a viris clarissimis Chris-
tophoro Gliickradt et Jeremia Barthio notis elegantibus illustratum, formulisque medicamentorum optimis et secretis locupletatum ; nunc vero a Jo. Georgio Pelshofero notis et medicamentorum formulis in unum systema redactis ; hac novissima editione tri- plici indice ornatum, peril) ustri et eximia aromatario Antonio de Sgobbis. Venetiis, apud Baleonium, 1643. pp. [lvi]-48o-[xliv].
Tyrocinium chymicum, a Christophoro Gliickradt et Jere- mia Barthio notis elegantibus illustratum ; nunc vero a Johanne Georgio Pelshofero ... in publicum emissum. Wittebergse, 1650. 8vo.
Tyrocinium chymicum commentario illustratum a Gerardo Blasio. Editio secunda. Amstelodami, 1669. 8vo.
Tyrocinium chymicum, notae Johannis Hartmanni olim editae a Christoph. Gliickradt. Francofurti ad Mcenum, 1684. Fol.
* Tyrocinium Chymicum, or Chymical Essayes aquired from
the Fountaine of Nature and Manuall Experience. London, 1669. pp. [vi]-i36-[iv], i6mo. Illustrated title-page.
Les elemens de chymie de Maistre Jean Beguin. Revueux, expliquez et augmentez par Jean Lucas de Roy. Troisieme edition. Paris, n. d. [1624 ?].
Les elemens de chymie. Reveus, expliquez et augmentez par Jean Lucas de Roy, medecin Boleducois. Rouen, chez Jean Baptiste Behourt, rue aux Juifs pres le palais. 1632. pp. [xvi]-432-[xlviii], i6mo.
First edition, Paris, 1615. Second, 1620. Derniere Edition, Geneve, 1624. 8vo. Other editions, Rouen, 1626, 1637, 1660 ; Lyon, 1665.
B^HAL, Augusts.
Etudes theoriques sur les composes azoiques et leur emplois industriels. Paris, 1889.
Behrend, G.
Das Brauen mit ungemalztem Getreide. Halle, 1884.
I