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NEBALIA. | 
Cancer, Herbst. 
Mownocouuus, Montagu. 
CHARACTER GENERICUS. 
Thorax latera amplectans, antice rostrata, rostro mo- 
bili. 
Abdomen 5-articulatum, articulo primo subrecondito, 
ultimo processibus duobus elongato-conicis seta ter- 
minatis. 
Oculi duo pedunculati, mobiles sub rostro recondendi. 
Antenne due supra oculos inserte, articulo ultimo bi- 
fido multi-articulato. 
Pedes duodecim; pari antico longiore, simplici; seg- 
mento ultimo multiarticulato ; paribus quinque pos- 
terioribus equalibus, approximatis, articulo ultimo 
bifido. 
NEBALIA. 
GENERIC CHARACTER. 
Shell embracing the sides, with a moveable rostrum in 
front. 
Abdomen five-jointed, the first joint partly concealed, 
the last joint with two elongate-conic processes terminated 
with a seta. 
Eyes two, pedanculated, moveable, capable of being re- 
tracted beneath the rostrum. 
Antenne two, inserted above the eyes, the last joint bifid 
and composed of many smaller joints. 
Feet twelve; anterior pair longest, simple, with the 
last joint composed of many other joints; five hinder pair 
equal, and approximate, with the last joint bifid. 
