160 



CRUSTACEA. 



thin: outer antennas inserted on the line ot the 

 eyes and inner antennas. 



P. Henslowi. Fig. 305 ; i n. s. 



Portunus (Leach). Carapace rather broader than 

 long, front projecting ; second, third, and fourth 

 feet, with the last joint long, slender, pointed, 

 grooved; the last two joints of the fifth flat, broad, 

 and rounded ; outer antennas inserted on the line of 

 the eyes and inner antennas. 

 P. puber. 



corragatus. 



arcuatus. 



depurator. Fig. 306 ; <]■«.«. 



305 



P. marmoreus. 



holsatus. 



pusillus. 



longipes. 



306 



307 



308 



Portumnus (Leach). Carapace as long as broad, 

 round in front, diminished behind ; outer antennas 



