MOINA. 
271 
Daphnia Jardinii, Baird.— A small species, described 
in 1857 by Dr. Baird ; it has the head produced into a sort 
of spine, while the carapace terminates posteriorly in a long 
spine. 
Galloway fresh-water loch (Sir W. Jardine). This species 
forms part of the food of the trout. 
Gen. 141. MOINA, Baird . 
Head rounded and blunt ; upper antennae of some length, 
one-jointed, rising from the front of the head, near the 
centre ; lower antennae very large and fleshy at the base, 
Moina recti rostris, Muller, sp.— Carapace oval, trans- 
parent, rounded at the back, and ciliated along the fore- 
margin. 
Hab. Pond on Blackheath. 
Moina brachiata, Jurine, sp. — Carapace olive-colour, 
bulging very much behind. Abdomen at the end, with 
eight short spines, and two long stout claws. 
Hab. Pond on Blackheath. Dr. Baird found this species 
first in a stagnant pool nearly opposite old St. Pancras 
Church, in 1844 ; the ground was shortly afterwards built on. 
