368 Bibliographical Notices. The same author has just completed the second part of Mr. Bauer's ' Illustrations of the Genera of Ferns '; and the seventh part of the ' Botany of Capt. Beechey's Voyage * will soon be ready. These two works, and the ' Flora Boreali-Americana,' of which Part X. is in a state of great forwardness, are published by H. G. Bohn, 4, York Street, Covent Garden. We have just received the forty-seventh number of Mr. Sowerby's • Supplement to English Botany.' It contains plates and descriptions of Polygonum laxum, Reich. andBorr. in Hook. Brit. Fl., ed. 4. nete ; Lotus hispidus, Loisel, which we have been disposed to consider as not specifically distinct from L. angustissimus, and it occurs in Jersey with that species ; Char a pulchella, Wallr., "principally di-stinguished from C. Hedwigii by its more flexible stems and oblong nucules;" and Tetraspora lubrica, Agardh, and Hook, in E. Fl. 5. p. 313. Tijdschrift voor Natuurlijke Geschiedenis en Physiologie ; edited by Prof. J. Van derHoeven and Prof. W. H. de Vriese, Leiden, 1837. Part I and II. I hese contain the following original articles, besides reviews and notices. Some remarks on the northern Whale, Balanoptera rostrata. By W. Vrolik.— On the Sargasso or Gulf-weed. By F. A. W. Miquel. — Some remarks on the origin of the green colour and changes of form in the stem of plants. By Dr. J. Wttewaall.— Researches re-specting the motion of leaves which do not originate from swellings. By M. Dassen. — [The principal results contained in this memoir have been noticed at p. 223. of this Journal.]— Additions to our knowledge of the simple eyes of articulated animals. By A. Brants. — Experiments on the action of poisons on plants. By F. A. W. Miquel. — On the cause of the brand in Physalia. By P. W. Korthals. — Some notices of G. R. Treviranus. By J. Van der Hoeven. Part III. and IV. 1838. Hints on the origin of monstrous births, and on the doctrine of misformations. By W. Vrolik. — Contributions to the natural history of man. By J. Van der Hoeven. — The vegetation of the Northern Nertherlands compared with that of the Prussian Rhine Provinces. By F. A.W. Miquel. — Contributions to the solution of the question, whether Lemna arrhiza, auct. be a permanent distinct species, or merely a development form of some other species of the same genus. "By J. F. Hoffmann. — On the periodical secretion of blood from the generative organs in some domestic animals, especially in the cow,
BioStor
