ISOPODS OF NORTH AMERTOA. 



1S5 



1 a Left mandiblk. l>. 



,K0 (VKNTRA^ S.DKW. SKC-^ ^.OKSAL SIDE). '^ ^IRST MXXHXA (I^OHSA. S ^ ^^^^^ 



sn,E). f,. SKCOM. -^7 ;^;^;'^^,.„^^^xn.LA (VEKTKAL SIDE) fc, ^^^^^ ,., ,„«, mAXTU.A. 



l™!r; i; BAsii.?!- OK EIKSX MAXII..A. «. TU- OE MAXI..AK. LA. 



