PuatTE I 
Fig. 1. Macrobrachium foai (Coutiére), from Stanleyville. Above, male 37 
mm. long; below, largest female 55 mm. long, carapace and rostrum 34. 
Fig. 2. Parapeneopsis atlantica Balss, from Banana. Above, largest female, 
carapace and rostrum 54mm. long; below, male, carapace and rostrum 18.3 long. 
