T9I3. 
Friend. — Irish Oligochads. 
II 
idea of the position of our new species in relation to others already known 
to occur in Great Britain : — 
r Two pairs of spermathecae . . 
\ One pair of spermathecae . . 
^ f Oesophageal glands present 
" I Oesophageal glands absent . . 
r Setae not exceeding five per bundle 
1 Setae exceeding live per bundle 
f Three pairs septal glands 
\ Four pairs septal glands 
Spermathecae without 4/5 glands 
Spermathecae with 4/5 glands 
We thus have the remarkable number of thirteen species 
of Oligochaets, some represented by a dozen or more 
specimens, in two or three ounces of earth. The complete 
list is as follows : — 
. H. puteana. 
. H. hibernica. 
3- 
4. 
5- 
5- 
. H. tenella. 
. H. curios a. 
. H. glandulosa 
Enchytraeidae. 
1. Henlea glandulosa. Friend. 
2. Enchytraeus albidus, Henle. 
3. pellucidus, Friend. 
4. minimus, Bretscher. 
5. Bucholzii, Vejdovsky. 
6. Fridericia bisetosa, Levinsen. 
7. Michaelseni, Bretscher. 
8. helvetica, Bretscher. 
9. Achaeta spermatophora, Friend 
LUMBRICIDAE. 
10. Dendrobaena subrubicunda, 12. Allolobophora caliginosa, 
Eisen. 
1 1 . Aporrectodea chlorotica, 
Savigny. 
Savigny. 
13. Lumbricus rubellus, 
Hoffmeister. 
I have to acknowledge the aid of a Government Grant 
through the courtesy of the Royal Society, for these re-, 
searches. 
Bibliography. 
I. — Friend. Irish Naturalist, September, 191 2, pp. 171-174. 
2. — Friend. " British Enchytraeids," J,R.M.S., 191 2. Several papers, 
still in process of publication. 
3. — Friend. The Naturalist, March, 191 2. 
4. — Southern. Irish Naturalist, 1907, vol. 16. 
5. — Southern. Proc. Roy. Ir. Acad., 1909, vol. xxvii., Section B, pp. 
119, et seq. 
6. Michaelsen. Das Ticrreich, Ohgochaeta, 1900. 
Swadlincote, Burton-on-Trent, 
