1886. ] LITTLE-KNOWN EARTHWORMS. ‘ 305 
diminish in size towards either extreme. These glands are situated 
on the dorsal wall of the intestine, close to and on either side of the 
dorsal vessel ; each is supplied with a rich plexus of blood-vessels 
derived from the most anterior of the two vessels which arise from 
the dorsal trunk in each segment. 
These glands are probably of the same nature as those described 
by myself in a similar position in Megascolex' and Typhaus*, and by 
Dr. Horst® in Acanthodrilus. 
The female reproductive organs I have already described ; they 
are quite unique in that the ovary is directly continuous with its 
efferent duct, which opens on to the exterior in common with the 
Fig. 2. 
Generative organs of Eudrilus, with bursa copulatrix laid open. 
p, penial process ; c, pad-like process connected with glandular appendix. 
Other lettering as in fig. 1, 
spermatheca. The male reproductive organs are also remarkable ; 
they have been described by M. Perrier in all the three species of 
the genus ; my own dissections do not altogether bear out his state- 
ments, but of course the differences may be specific; they are hardly 
individual, inasmuch as three or four specimens agreed perfectly. 
In most cases there were three pairs of vesiculee seminales, situa- 
ted in segments 10, 11, 12; with these are connected a pair of vasa 
! Trans. Roy. Soe. Edinb. vol. xxx. pt. ii. p. 493. 
2 Ann. & Mag. Nat. Hist. 1883, xii. p. 222. 
3 Notes from Leyden Museum, vol. vi. p. 103. 
