3H 



DISCOVERY REPORTS 



mn.g 'fa 



Fig. 10. C. borealis antipoda. Ventral view of body (only part of antennae included). a 2 , antennal shaft; ist, isthmus linking 

 body to carapace; lb, labrum; mn.b, mandibular basis; mn.c, mandibular coxa; mn.g, mandibular basal gnathobase; mn.p, man- 

 dibular palp; mx x , maxillula; mx 1 p, palp of maxillula; mx 2 , maxilla; mx 2 v, vibratory plate of maxilla; tr v first trunk limb; 

 tr x v, vibratory plate of first trunk limb; tr 2 , second trunk limb. 



independent musculature (Fig. 7 mx 2 en, Fig. 11, en) is the endopod; and the long posteriorly directed 

 pediform portion of the limb (Fig. 7 mx 2 ex, Fig. 11, ex) is the exopod. The vibratory plate would 

 then be an epipod. In general impression the limb is pediform. The protopod normally extends directly 

 ventrally beneath the body from a ventro-lateral attachment, immediately in front of the isthmus, 



