104 



BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



The first three pairs of legs are prehensile and have the propodus 

 in the Hrst pair armed with live spines, the carpus with one and the 

 meriis with eleven long- spines and many short ones on the inferior 

 margin, and one long one at the outer distal angle, and the ischium 

 armed with one spine. In the second and third pairs the propodus 



Fig. 85.— Cirolana borealis (After Hansen), a. Leg ok fifth pair. 6, Left pleopod of second 



PAIR OF YOUNG MALE. C, DORSAL VIEW OP MALE, d, Lb:G OF SEVENTH PAIR. C, THREE BA.SAL ARTI- 

 CLES OF LEFT MAXILLIPED OF FEMALE. /, LEFT PLEOPOD OF SECOND PAIR OF ADULT MALE. g. LEFT 

 MAXILLA OF SECOND PAIR OF MALE. /(, DISTAL PART OF MOLAR PROCESS OF MANDIBLE, i, MANDIBLE 

 (LEFT SIDE), j, Head of male (VENTRAL VIEW). A", MANDIBLE (RIGHT SIDE). I, MIDDLE PAJ4T OF 

 HEAD, RIGHT MANDIBLE, MAXILL.E AND MAXILLIPEDS OMITTED. ?n, POSTERIOR PART OF ABDOMEN 



OF MALE, n, Left maxilla of first pair, o. Basal part of left maxilliped. (Enlarged.) 



is armed with two spines, the carpus with three long spines and five 

 short ones, the merus with six long spines and three short ones on the 

 inner margin and three long ones at the outer distal end, and the 

 ischium with three spines. The last four pairs of legs are ambulatory 

 and furnished with numerous spines. 



