Rathbun. — Decapod Crustacaaus. 



PLATE 4. 



Fig. 1. Sesarma (Parasesarma) leptosoma ?. Dorsal. X 2. 

 Fig. 2. Potaraon (Potamon) granulatus d. Dorsal. Nat. size. 

 Fig. 3. Potamon (Potamonautes) cunicularis cf. Dorsal. X 2. 



