NOTES ON OLIGOCHATES. 51 
Notes on Oligochetes, with the Description of 
a New Species. 
By 
Edwin 8. Goodrich, B.A., 
Assistant to the Linacre Professor of Comparative Anatomy, Oxfoad. 
With Plates 5 and 6. 
Tue following observations were chiefly made on some 
worms sent to me by Mr. Damon from a garden at Weymouth. 
I have to thank Professor Ray Lankester for much help during 
my researches. 
On the Structure of Enchytreus hortensis, n. sp. 
At first sight this little Enchytreid presents no very dis- 
tinctive characters, It is, when full grown, about 15 mm. in 
length, and milky white in colour, the anterior end being 
sometimes yellowish. The chetz (fig. 18) have a straight 
shaft and a hooked inner end, but this hook is not always so 
pronounced or so sharp as in the cheta figured. The bundles 
contain from three to four chet, generally three in the 
dorsal and four in the ventral bundle. There are no dorsal 
pores. A small dorsal head-pore is situated between the pro- 
stomium and first segment. The brain (fig. 1, 67.) is larger 
behind than in front ; its posterior margin is slightly indented 
or rounded. The dorsal blood-vessel arises from the wall of 
the intestine about the 17th segment. Three pairs of septal 
glands (fig. 1, sept. g/.) are present; two sets of bulky glands 
in front, and a third pair of smaller glands behind, each of 
which is subdivided into two lobes. The well-developed sali- 
