Retwre 
oo a gt 
2b Be 
12. 
Macrothrix rosea. 
Antennule. 
Post-abdomen of female. 
Post-abdomen of male. 
Drepanothrix dentata. Post-abdomen of male. 
Macrothrix tenuicornis. 
Head. 
Post-abdomen. 
First foot. 
Antennule of female. 
Maecrothrix laticornis. 
Head. 
Post-abdomen. 
First foot. 
Portion of dorsal ridge of shell. 
_ al wy 
