Acantholeberis curvirostris. — 
First foot. 
Fourth foot. 
Fifth foot. ; 
‘Lateral view of female. 
Simocephalus daphnoides. 
Lateral view. 
Lower posterior angle of shell. 
EBuryeercus lamellatus. 
First foot. 
a Caudal claws. ' i: ea 28 
a 
Bhan 4; '9. Drepanothrix dentata. Post- abdomen bf male. ve “Alter Bi ze 
