PONTOPHILUS. 
CRANGON. Lcacfi. 
Antenna! superiores breviores setis duabus in eadem fere linea horizontali insertis : seta 
interiore longiore. 
inferiores corporis longitudine selacea? decrescentes, squama ad apicem externe 
unidentata pedunculo annexa : articulo primo ultra medium squama? producto. 
Palpi pedifonnes articulis quatuor exsertis articulo ultimo acuminato praecedente duplo fere 
longiore. 
Pedes decern : par anticum majus compressum subdidactylum ; pollice brevissimo : par 
secundum tenue brevissimum didaclylum : par tertium tenue elongatum ungue simplici 
instruc.tum : paria 4 et 5 praecedente crassiora unguibus compressis instructa. 
Abdomen 6-articulatum. 
Cauda pentaphylla : lamcllis lateralibus angustis. 
Upper antennae shortest, with two setae inserted in nearly the same horizontal line ; the 
interior longest : under antenna? as long as the body, setaceous, with a large squama at their 
base, with a spine in the apex externally ; the first joint produced beyond the middle of the 
squama. Pediform palpes with three exserted joints ; the last acuminated, and almost twice 
the length of the preceding joint. Legs ten : first pair longest, compressed, subdidactyle, 
with the thumb very short : second pair slender, very short, didactyle : third pair slender, 
elongate, furnished with a single claw : fourth and fifth pairs thicker than the third, and 
furnished with compressed claws. Abdomen six-jointed. Tail composed of five plates ; the 
lateral ones narrow. 
