XI 



PHYLUM APvTHROPODA 



57!', 



striking modifications. There are no chelae, the legs all ending in 

 simple claws : the antennae are of immense size, and their proximal 

 segments are fused with one another and with the carapace, quite 



2. Pa I a e m on. 

 Fiu. 472. Shrimp (dorsal view) and Prawn (side view). (After Cuvier.) 



crowding out the epistorna : the rostrum is reduced, or even 

 vestigial, and the pleopods are very broad and fin-like. In Scyllarus 

 (Fig. 473) and its allies the body is broad and depressed, the bases 

 of the legs widely separated from one another by the broad 



