THE CRUSTACEANS 9] 
distinguished from Crangon vulgaris by the sharp-pointed, saw- 
edged spine which projects forward between the eyes, its longer and 
more delicate feelers 
and slender legs. It 
makes a good bait 
for fishes, but is too 
small to be very val- 
uable in the market. 
The Edible 
Shrimp, ( Penwus 
setiferus, Fig. 98), 
is the prawn or 
shrimp of the south- 
ern markets, where 
it is highly esteemed 
as food. It becomes 

at least six inches 
inlengthand ranges 
from Virginia to Fig. 58; SOUTHERN OR EDIBLE SHRIMP. 
Texas. It appears 
in shallow bays and estuaries in the spring, and spawns during 
the summer so that the young are commonly found along shore 
early in the autumn. Peneus setiferus may be recognized by its 
long, saw-toothed spine which extends above the back and projects 
forward between the eyes. This ridge is bordered on both sides 
by a deep groove which extends about half way down the back. 
In another and rarer species called Penaeus brazilensis these grooves 
extend down the entire length of the shell. This form extends 
from New York to Brazil, and it often ascends rivers, living even in 
fresh water. Both species are protectively colored being more or 
less translucent brown, or mottled. The feelers are about a foot 
long and there are small claws at the ends of the first three pairs 
of feet. ‘lhe southern shrimp fishery is worth more than $100,000 
annually. 
The Coral Shrimp, (Stenopushispidus). ‘This beautiful shrimp 
is white, with three bands of bright scarlet across the body and four 
across each of the clawed arms. ‘The body is about three inches 
long and is covered with short, sharp spines. The feelers and clawed 
Q 
