488 MEMOIRS OP THK NATIONAL ACADEMY OP SCIENCES. 



PLATE XIII. 



FIG. 3(5. First maxilla, outer side. Adult male, x 15. 



FIG. 37. Lateral view of carapace of adult male. x5. 



FIG. 38. Left mandible, outer side. Adult male, x 14. 



FIG. 39. Stalk and portion of flagella of left first antenna, seen from above. Adult male. x5. 



FIG. 40. First right pleopod of male, outer side. x!4. 



FIG. 41. Left second antenna with flagellum cut off near its base. Adult male". Seen from 



above, x 5. 



FIG. 42. Second maxilla of adult male. x!4. 



FIG. 43. Eight first maxilliped from outer side. Adult male, x 14. 

 FIG. 44. Right second maxilliped, from outer side. Adult male, x 14. 

 FIG. 45. Right third maxilliped, from under side. Adult male. x5. 

 FIG. 4G. Right first pereiopod, under side. Adult male. x5. 

 FIG. 47. Right fifth pereiopod, under side. Adult male. x5. 



