ON SOME AUSTRALIAN CLADOCERA. 463 
ON SOME AUSTRALIAN CLADOCEHRA. 
By MARGUERITE HENRY, B.Sc. 
( Communicated hy Prof. 8. J. JoHNSTON, D.Sc. ) 
With Plates XL— XLII. 
[Read before the Royal Society of N.S. Wales, December 4, 1918. | 
Introduction. 
In the beginning of 1917 I undertook to work on the life- 
history of the nematode parasite of cattle, Onchocerca 
gibsoni, under the direction of the Special Committee 
appointed by the Commonwealth Advisory Council of 
Science and Industry. Inthe course of this work it became 
necessary to examine the fresh-water crustacea in the 
district in which the work was being carried on. This 
work, begun in Kendall, on the North Coast, N. S. Wales, 
was continued at the Zoological Laboratory at the Sydney 
University. 
Material Investigated. 
The greater part of the material investigated was 
obtained from ponds and creeks at Kendall, where crustacea 
were very abundant; five of the new species here described 
were collected in that locality. Collections were also 
made from a creek at Nelson’s Bay, Port Stephens; from 
the Lett River, Blue Mountains; Centennial Park, Sydney; 
and from a pond in the Sydney University grounds. Miss 
Somerville, B.Sc, kindly made collections for me in the 
following places and forwarded the preserved material. 
Two tubes from Mudgee, and two from Bathurst, collected 
in December, contained very few crustacea; in collections 
from Cumbalum, Casino, and Byron Bay made in January, 
they were fairly abundant, and two tubes from Corowa 
obtained in March were very rich in Crustacea. All the 
localities cited are in New South Wales. 
