AQ 
PISA. 
Cancer, Moniagu. 
Pisa, Leach. 
CHARACTER GENERICUS. 
Tesia dense villosa, tuberosa antice rostro bifido termi- 
nata ; rostrum laciniis divaricatis ; oculi pedunculo sub- 
crassiores ; orbita postice bifissa, infra unifissa. 
Antenne exteriores hirte pilis basilaribus clavatis, articulo 
primo secundo multo longiore. 
Pedipalpi gemini externi caulis interni articulo secundo ad 
apicem internum emarginato, aut truncato. 
Pedes duo antici didactyli aliis distincte crassiores ; (Maris 
- corpore longiores, Famine corporis longitudine) ; pedes 
octo postici mediocres ; wngues denticulati apice nudi. 
PISA. 
Shell thickly covered with down, tuberculated, terminated 
in front by a bifid rostrum with diverging points ; eyes 
somewhat thicker than their peduncle; orbit with two 
fissures behind and one below. . 
Exterior antenne bristly, the basal hairs clubbed, the first 
joint much longer than the second. 
External double pedipalpes with the second joint of their 
internal footstalk notched at their internal apex. 
Anterior pair of legs didactyle,- distinctly thicker than the 
others ; (of the Mare, longer than the body—of the 
FEeMALeE, as long as the body) ; eight other legs mode- 
rately long ; naz/s denticulated, with naked points. 
There is a spine on each side, between the base of the 
rostrum and the eyes. 
