105 
PARTHENOPE. 
Cancer, Linn., &c. 
PartHenore, Fabricii, Leach. 
Masa, Latreille. 
CHARACTER GENERICUS. 
Testa subtriangulata, tuberosa antice acuminata ; rostrum 
breve, integrum, obtusum ; ocu/z magni pedunculis bre- 
vissimis haud crassiores. 
Antenne exteriores brevissime tripartitze, segmentis duobus 
primis crassioribus; primo majore; tertio ex articulis 
alis effecto. 
Pedipalpi gemini externt cauli interno biarticulato, articulo 
secundo ad apicem internum truncato-emarginato palpi- 
gero. 
Pedes decem ; par anticum crassissimum didactylum, inz- 
quale, digitis deflexis; paria alia simplicia, consimilia ; 
ungues compressi, lateribus exaratis, apicibus nudis. 
Abdomen 7-articulatum ; Marts articulo tertio aliis latiore, 
ultimo elongato-triangulari apice rotundato. 
PARTHENOPE. 
GENERIC CHARACTER. 
Shell subtriangulate, tuberose, anteriorly acuminated ; ros- 
trum short, entire, obtuse; eyes large, not thicker than 
their peduncles, which are extremely short. 
Exterior antenne very short, tripartite, the two first seg- 
ments thickest, the first largest; the third segment 
composed of several small joints, 
