ARTEMIA. 
265 
Gen. 139. ARTEMIA, Leach. 
Abdomen long, formed of six divisions, shortly bilobed, 
and not divided into two caudal plates ; the lower antennae 
of male flat, broad, and not furnished with any appendages. 
Artemia salina, Linn. sp. Brine Shrimp. (Plate XY. 
fig. 3 a , larva.) — Body linear, nearly half an inch long. 
Hab. Saltpans at Lymington, Hants. 
Prom Dr. Baird’s work we make the following extract 
on the habits of the Artemia salina. “ They are found ex- 
clusively in salt-water, and though they do occur in salt- 
marshes, still they are to be found in greatest abundance in 
water that is very highly charged with salt. ‘ Myriads of 
these animalcula/ says Mr. Rackett, ‘are to be found in 
the salterns at Lymington, in the open tanks or reservoirs 
where the brine is deposited previous to the boiling. It 
attains the desired strength by evaporation, from exposure 
to the sun and air, in about a fortnight ; a pint contains 
about a quarter of a pound of salt ; and this concentrated 
solution instantly destroys most other marine animals/ In 
these reservoirs there is always a certain quantity of this 
strong brine allowed to remain, and there these little 
creatures are found in greatest abundance and in greatest 
