258 On Australian Entomostracans. 
The surface adorned with numerous prominent strize 
dividing it into three parts, in each of which the strize are 
parallel or concentric. Rami with a seta at the extremity 
of the second joint of the posterior branch, and a short 
spine at the extremity of the third joint of each branch. 
Last segment of the abdomen broad and much sinuated 
near the joint. 
It is a much larger species than the preceding. I have 
named it after the late Allan Cunningham, the botanist: 
it is found in profusion in the Sydney Botanic Gardens, 
in the pond in which an obelisk has been erected to his 
memory. 
Habitat.—Pond in the Botanic Gardens, Sydney. 
Genus Cuyporvus. (Leach.) 
Character.—* Nearly spherical in shape. Beak very 
long and sharp, curved downwards almost into the shape 
of acrescent. Inferior antennz (Rami) very short.” 
(1.) C. augustus. (Plate VII. B.)—Carapace nearly 
round, smooth, ciliated on the anterior margin, of a 
chestnut colour. Superior antenne very short. Rami 
with four sete on the posterior, three on the anterior 
branch. The last joint of the abdomen long, the dorsal 
edge being straight, except one deep curved notch in the 
centre, and parallel to the ventral edge. 
The Ephippial eggs are oval: they are generally two in 
number, arranged one above the other, meeting, apparently, 
when seen in profile, towards the interior part. 
Its motion is very quick. 
Habitat.—Pond near Sydney, on the road towards 
Botany Bay. - 
(2.) C. Leonardi. (Plate VII. C.)—Carapace nearly 
globular, anterior margin ciliated. Rami very short, with 
but three setze on each branch. The last segment of the 
