Beitrige zu einer Trophocéltheorie. 357 
Literaturverzeichnis. 
Das nachfolgende Verzeichnis enthalt, abgesehen von der im 
ersten und zweiten Hauptabschnitt benutzten Literatur, nur noch 
die von mir verwerteten Schriften iiber das Hamocél der Anne- 
liden. Die Literatur tiber das Hamocél der iibrigen Abteilungen 
wird in den ,,Nachtragen zur Hamocdltheorie“ angefiihrt werden. 
1901 Asuwortn, J. H., The Anatomy of Scalibregma inflatum 
RatTHKE. Quart. J. Micr. Sci. v. 45. 
1880 Batrour, Francis M., Handbuch der vergleichenden Em- 
bryologie. 1. Bd. 1880, 2. Bd. 1881. Uebersetzt von B. 
VETTER. 
1888 Bepparp, Frank E., On the Occurrence of numerous Nephridia 
in the same Segment in Certain Harthworms, and on the 
Relationship between the Excretory System in the Annelida 
and in the Platyhelminths. Quart. J. Micr. Sci., v. 28. 
1889 — On Certain Points in the Structure of Urochaeta, E. P., 
and Dichogaster, nov. gen., with further Remarks on the 
Nephridia of Earthworms. Quart. J. Micr. Sci., v. 29. 
1890 — On the Anatomy, Histology and Affinities of Phreoryc- 
tes. Tr. R. Soc. Edinbourgh, v. 35, part 2, 1887—89. 
1892 — Researches into the Embryology of the Oligochaeta. No. I. 
On certain Points in the Development of Acanthodrilus 
multiporus. Quart. J. Micr. Sci. v. 33. 
1892 — Anatomical Description of Two New Genera of Aquatic 
Oligochaeta. Tr. R. Soc. Edinburgh, v. 36, part 2, 1890—91. 
1895 — A monograph of the order of Oligochaeta. Oxford. 
1886 Bennam, Witiiam Buaxtanp, Studies on Earthworms. Quart. 
J. Micr. Sci., v. 26. 
1891 — The Nephridium of Lumbricus and its Bloodsupply; 
with Remarks on the Nephridia in other Chaetopoda. Quart. 
JP MAGr. SC Vv. 32. 
1893 — A New English Genus of Aquatic Oligochaeta (Spar- 
ganophilus) belonging to the Family Rhinodrilidae. Quart. 
J. Micr. Sci., v. 34. 
1896 — Fission in Nemertines. Quart. J. Micr. Sci., v. 39. 
1896 — The Blood of Magelona. Quart. J."Micr. Sci, v. 39. 
1901 — The Coelomic Fluid in Acanthodrilids. Quart. J. Mier. Sci., 
v. 44. 
