G98 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



esses. The perseopods are similar in general to one another, differing 

 only in the arrangement and strength of the spines. 



FIG. 739. HAPLOPHTHALMUS PUTEUS (AFTER HAY), a, DORSAL VIEW OF MALE, b, RIGHT MANDIBLE. 



C, TIP OF LEFT MANDIBLE, d, FIRST MAXILLA. C, MAXILLIPED. /, UPPER LIP. g, SECOND ANTENNA. 



h, FIRST ANTENNA, i, FIRST LEG. j, FIRST PLEOPOD. fc, SECOND PLEOPOD. I, THIRD PLEOPOD. m, 

 FOURTH PLEOPOD. n, FIFTH PLEOPOD. o, UROPOD. 



