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PROCEEDINGS OF THE NATIONAL MUSEUM vol. 121 



Figure 11. — Euphiloniedes asper: a, copulatory appendage; b, frontal organ and medial 

 eye (M. E.) with joints 1-2 of 1st antenna, all bristles on 2nd joint not shown; c, tip of 

 frontal organ; d, lateral eye. Euphilomedes species: e, outline of left valve from inside, 

 all punctae not shown;/, endopodite and joints 1-3 of exopodite of 2nd antenna, terminal 

 bristle on 2nd joint of endopodite broken; g, medial view, joints 7-9, left 2nd antenna; 

 h, 6th limb; i, distal part of 7th limb; ;', frontal organ and medial eye. (Same scale, in 

 microns : a, c, g; d,f, h-j; b; e. Figs, a-d from spec. A; figs. Cr-j from spec. 50002. Roman 

 numerals on h refer to endites; Arabic numbers on b, f, g refer to joints.) 



