Schulze, F. E. Cytorrhyctes luis Siegel, Berl. klin. Wochenschr., 1905, No. 21.

Schulze, W. Impfungen mit Luesmaterial an Kaninchenaugen, Klin. Monatsbl. f. Augenheilkde., 1905, xliii.

— Das Verhalten der Cytorrhyctes luis in der mit Syphilis geimpften Kanin cheniris, Beitr. z. path. Anat. u. z. allg. Path., 1906, xxxix, p. 180.

Siegel, J. Zur Kritik der bisherigen Cytorrhyctesarbeiten, C. f. B., P. u. Inf., 1906, i Orig., xlii, pp. 128, 225, 321, 480.

Wasielewski, v. Beitr. z. Kenntnis d. Vaccineerregers, Zeitschr. f. Hyg., 1901, xxxviii, p. 212.

(B) PLATYHELMINTHES (pp. 211 to 359, 638 to 698 and 753 to 755).

Class II.—Trematodes (pp. 212 to 282, 638 to 644, 753, and 754).

[N.B.—The literature, which is very comprehensive, has, up to the year 1892, been quoted and critically examined in Braun’s monograph on the Trematodes: Bd. iv, Abth. i, of Bronn’s “Klass. u. Ord. d. Thierreichs,” Leipz. Of works that have appeared later it is not possible to do more than enumerate the following.]

Bettendorf, H. Musculatur u. Sinneszell. d. Tremat., Zool. Jahrb. Anat., 1897, x, p. 307.

Blochmann, F. Die Epithelfrage bei Cestoden u. Trematoden, Hamburg, 1896.