LIST OF PUBLICATIONS. 
Verm . 3 
[Beddard, F. E.] (7) Observations upon the Structure of a Genus of 
Oligochceta, belonging to the Limicoiine section. P. R. Soc. Edinb. 
xvii, pp. 5-7. 
Notes on Moniligaster. 
. (8) On the Homology between the Genital Ducts and the Nephri- 
dia in the Oligochceta. P. R. Soc. xlviii, No. 295, pp. 452-455. 
In Acanthodrilus multiporus the genital funnels and a portion at least 
of the ducts are formed out of nephridia. 
. (9) On the Anatomy, Histology, and Affinities of Phreoryctes. 
Tr. R. Soc. Edinb. xxxv, pp. 629-640, 1 pi. 
Benham, W. B. (1) “ Atrium ” or “ Prostate.” Zool. Anz. xiii, pp. 368- 
372, with woodcuts. 
Holds, against Beddard, that the “ prostates,” so-called, of many Earth- 
worms are not to be homologized with the “ atria ” of Tubificidce. 
. (2) The Genera Trigaster and Benhamia. Ann. N. H. vi, pp. 
414-417. 
A comparison of the characters of these genera. 
-. (3) An Attempt to Classify Earthworms. Q. J. Micr. Sci. xxxi, 
pp. 201-315, with zincographs. 
Outlines of the Classification : — 
Subclass I. Naidomorpha. 
Order 1. Naidina. 
Families. I. Aphanoneura ; II. Naididce ; m. Chceto gas tr idee ; 
and the genus Ctenodrilus. 
Small worms of relatively few somites. Blood uncoloured. Male 
genital pores in front of somite vii, or in this somite. Asexual as well 
as sexual reproduction occurs. The anterior few somites of the body are 
frequently different from the following somites, or the prostomium is 
pigmented and ciliated. Eye-spots are frequently present. 
Subclass II. Lumbricomorpiia. 
Reproduction only by sexual process. No “ cephalization.’’ Somites 
behind the peristomium all similar, and setae are similar throughout the 
body, except in special regions, e.g. t on clitellum. Male genital pores 
behind somite vii. No eye-spots. 
Order 1. Microdrili. 
“ I/umbricomorpha minora .” These are the “ Water- worms.” Order in- 
cludes Yejdovsky’s Families — Discodrilidce , Enchytrceidce, Tubijlcidce } 
Phreoryctidce , and Lumbriculidce. 
Order 2. Megadrili. 
“ Lumbricomorpiia major a.” The Earthworms. 
Branch 1. Plectonephrica. 
Families. Typhceidce, Acantliodrilidce , Perichcetidce . 
Branch 2. Meganephrica. 
Families. Moniligastridce , Eudrilidce , Perionycidce , Geoscole- 
cidce, Bhinodrilidce. 
