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Rh CRYPTO GAMIA, 397

Figures of the anthcridia in each of the three species accompany the paper.

"Wallich. — On the development and structure of the Diatom-valve. By G. C. Wallich, M.D., F.L.S. Q. J. M. S. April, 1860. Vol. viii. p. 129.

On the Siliceous Organisms of the digestive cavities of the

Salpae, and their relation to the flint nodules of the chalk forma- tion. By Surgeon G. C. Wallich, M.D., Eetired List H. M. Indian Army. Q. J. M. S. January, 1860. Vol. viii. p. 36. Descriptions of Desmidiacea3 from Lower Bengal. A. N. H.

3 ser. v. p. 184.

Weise, J. P. — Les Diatomaces du limon d'Arensbourg de Haspal et de Staraia-Boussa. Petersb. Mem. I.

West. — Bemarks on some Diatomaceae, new or imperfectly des- cribed, and a new Desmid. By Tuffen West, F.L.S. Q. J. M. S. July 1860. Vol. vii. p. 147. <

Bemarks on some new Microscopic Alga3, collected by Tlios.

Atthey. Tynes. Trans, iv. p. 321.

6. Miscellanea of Gryptogamic Botany.

Bertolent. — Mora Italica cryptogarua, Fasc. ii. Bononiae, 1859. 8vo. pp. 129-256. Wien, Sallmayer and Co.

Bischoef. — Allgemeine Uebersicht der Organisation der phaneroga- men imd kryptogamen Pllanzen. 3911 lithographirte Abbildun- gen auf 77 Tafeln mit organologischen, systematischen und Namen-register (Abdruck aus dem Handbuche der botanischer Terminologie und System-kunde) 2. Abtheilungen. Neue wohl- feile Ausgabe. Leipsic. Schrag. 4.

1. Phanerogamen-kunde mit 2200 Abbildungen auf 47 Tafeln, 23 pp.

2. Kryptogamen-kunde mit 1712 Abbildungen auf 30 Tafeln, 19 pp.

Breetel. — Flora G-ermanica exsiccata Cryptogamica. Centuria I. 2te Auflage. Pol.

A collection of dried cryptogamic plants, of which this first century contains 8 species of vascular cryptogams, 8 species of liverworts, 66 species of mosses (including 10 of Sphagnum), and 18 species and varieties of Algae, chiefly from the Baltic.

Ciccoke. — De la nature des globules ovoides dans les vers a soie, par M. A. Ciccone.

The author remarks that it is beyond a doubt that the ovoid corpuscles play an important part in the prevalent malady of silk- worms, but that it remains to be proved what those corpuscles are. Are they, he asks, crystals, or psorosperms, or haernatozoids, or unicellular algae, or panhistophytons, or merely organic elements of the worm ? The author decides that the globules in question are organic elements of the silk-worm, and are a modified form of certain small globules found in the body of th* wo—