172 The Irish Naturalist. Septembet, 
I again found large numbers of E. alhidus in a bit of old 
sacking ; Achacta hohcmica, E. minimus and D. mammalis 
abounded among the roots of Petasites fragrans which bind 
the banks of the canal together, and several species of 
Henlea and Fridericia came to hand. I may mention 
F. bulbosa and F. Michaelseni as the most common. F. 
paroniana also occurred, while the Henleas included H. 
parva, H. tuhula, H. glandulosa, H. rhaetica, H. perpusilla 
and H. Dicksoni. A form which may, perhaps, be allied to 
H. tenella occupied my attention, and a new species with 
only two setae per bundle. I could not find H. hihernica 
Southern, but since my return to England both H. bisetosa 
and H. hihernica have been found in the environs of Notting- 
ham. 
On Wednesday, March 12th, Mr. R. Booth, j.p.. of Dalkey 
motored me to St. Douloughs, Malahide, and Swords. It 
had been my wish to explore the spots which Dr. TurnbuU 
found so rich in annelids in former years, but it was 
impossible to get everything done in the course of a few 
hours. Interesting things were found close by the old 
cross at our first stopping place, St. Douloughs, the most 
pleasing of which, perhaps, was F. aurita, a species which 
Southern had already reported as occurring at Bray Head 
and Lambay, though I had never been able to find it in 
England. Close to the bridge at Swords, Helodrilus oculatus 
was again found, and among the specimens at least one was 
adult, and showed the characteristic pores on segment 15 as 
well as the girdle. Sundry Tubificids were also found in the 
mud, but I was unable during my visit to obtain any traces 
of Nais and its allies, or of the different forms of Stylo - 
drilus or Lumbriculus. 
In some respects my most successful search was made on 
March 14th when Ringsend was visited, and a return made 
by the productive banks of the Dodder. Many of the 
species already enumerated were found again, including 
most of the earthworms. In the decaying Algae in the 
corner under the sea wall, two or three species of Pachy- 
drihds were found. This group is a difficult one, and as 
far as my experience goes much revision is necessary. It 
