76 



J. R. KiNAUAN on the Britannic Species of 



Genus jEgeon. 



For characters of genus, vide p. 57. In addition, the following are pretty 

 general : — Antennal scale not twice as long as peduncle of antennaj ; second 

 pair of chelipeds stout, but much shorter than first or third. 



BANDED SHRIMP. 



iEGEON FASCIATUS. 



yEgeon fasciatus (Risso sp.). 



Crangonfasciatus. Risso Crust, de Nice, t. iii., f. 5 (bad), p. 82 ; Hist. Eur. 

 Mer. v., p. 64 ; M. Ed., Crust, ii., p. 342 ; Bell, Brit. Crust, p. 259 ; A. 

 White, Pop. Hist. Brit Crust., 187; Lucas, Exped. Alg., 38; W. 

 Thomps., Nat Hist. Ireland, iv., p. 390. 



Rostrum moderate, broadly truncate at apex, deeply longitudinally sidcate ; 

 ocular notch broad, shallow, smooth, or very sparingly ciliate on outer edge only ; 

 median gastric region armed with a tooth ; lateral gastric sculptured ; branchial 

 region with a short tooth ; abdominal segments smooth ; telson triangular, sulcate ; 

 second pair of chelipeds shorter than first or third. 



