6G 
LISSA. 
Cancer, Herbst. 
Masa, Latreille, Bosc. 
CHARACTER GENERICUS. 
Testa tuberosa antice rostro fisso terminata; rostrum laci- 
hiis approximatis ; ocw/i pedunculo subcrassiores ; o7 Lita 
infra et posticé fissura una. 
Antenne exieriores hirte pilis clavatis, articulo primo se- 
cundo longiore. 
Pedipalpi gemini externi caulis interni articulo secundo ad 
apicem internum truncato.emarginato. 
Pedes decem; par anticum didactylum altis distincte cras- 
sius; (Maris corporis longitudine; Foa:min corpore 
subbrevius) ; paria quatuor postica mediocria; ungues 
inermes apice nudi. 
LISSA. 
GENERIC CHARACTER. 
Shell tuberose, terminated in front with a cloven beak ; 
beak with the laciniz meeting ; eyes somewhat thicker 
than their footstalks ; ordi¢ with one fissure below and 
another behind. 
External antenne with clubbed hairs, the first joint longer 
than the second. 
External double feet-palpes with the internal apex of the 
second joint of their internal footstalk truncate-emargi- 
nate. 
