THE INTESTINAL PROTOZOA OF FROGS AND TOADS. 267 
LITERATURE. 
A. 
[This list contains only those memoirs which are directly con- 
cerned with the organisms described in the paper. For other references 
see list B. infra}. 
iE 
2. 
10. 
1B 
12. 
13. 
14. 
15. 
16. 
Blochmann, F.—‘‘ Bemerkungen iiber einige Flagellaten,” ‘ Zeitschr. 
wiss. Zool.,’ xl. 1884, p. 42. 
Brass.—‘‘ Die thierischen Parasiten des Menschen,’ Cassel, 1885 
[quoted from Leuckart, q.v. ]. 
. Butschli, O.—*‘ Protozoa” in Bronn’s ‘ Tierreich,’ 1880-87, 
. Burnett, W. I1—“ The Organic Relations of Some of the Infusoria, 
including Investigations Concerning the Structure and Nature 
of the genus Bodo (Ehr.),” ‘Boston Journ. Nat. Hist.,’ vi, 
1850-57, p. 319. 
. Cienkowski, L.—‘ Uber einige Rhizopoden und verwandte Organis- 
men,” ‘Arch. mikr. Anat.,’ xii, 1876, p. 15. 
. Dale, H. H.—‘‘ Galvanotaxis and Chemotaxis of Ciliate Infusoria,” 
Part I, ‘ Journ. Physiol.,’ xxvi, 1901, p. 291, 
. Diesing, C. M.—* Systema Helminthum,” Vienna, 1850. 
‘Revision der Prothelminthen. Abteilung: Mastigo- 
phoren.” ‘Sitzb. math.-nat. Cl. kaiserl. Akad. Wiss. Wien,’ lii, 
1865, p. 287. 
. Dobell, C. C_—* Physiological Degeneration in Opalina,” ‘ Quart. 
Journ. Mier. Sci.,’ 51, 1907, p. 633. 
“The Structure and Life-History of Copromonas 
subtilis nov. gen, nov. spec.,” ‘Quart. Journ. Micr. Sci.,’ 52, 
1908, p. 75, 
“Notes on some Parasitic Protists,” ‘Quart. Journ. Micr. 
Sci.,’ 52, 1908, p, 121. 
‘On the Intestinal Protozoan Parasites of Frogs and 
Toads” (prelim, com.), ‘Proce. Cambridge Phil. Soc.,’ xiv (iv), 
1908, p. 428. 
“Some Remarks on the ‘Autogamy’ of Bodo lacerte, 
Grassi,” ‘ Biol. Ctrbl.,’ xxviii, 1908, p. 548. 
Doflein, F.— Die Protozoen als Parasiten und Krankheitserreger.’ 
Jena, 1901. 
Dujardin, F.—‘ Histoire Naturelle des Zoophytes: Infusoires.’ 
Paris, 1841. 
Ehrenberg, C. G—‘ Die Infusionsthierchen als vollkommene 
Organismen.’ Leipzig, 1838, 
