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PROCEEDINGS OF THE NATIONAL MUSEUM 



Figure 7. — Pseudophilomedes foveolatus: a, left view of shell, broken circle locates adductor 

 muscles, only representative punctae shown. Medial view of valves: b, rostrum of 

 right; c, posterior process, right; d, lamellar prolongation of selvage on anteroventral 

 margin of left. Antenna: e, left 1st;/, medial view, joints 5-8 of left 1st; g, right 2nd; 

 h, endopodite of same; i, lateral view, joints 7-9 of right 2nd. Left mandible: ;", medial 

 view, 2 outer bristles on basale broken; k, terminal end. Left maxilla, lateral view: 

 /, bristles on endite II not shown; m, endite II, anterior margin to left. (Same scale, 

 in microns: a; b-d, f, h, i, k-m; e, g, j. Spec. 1, BST Sta. 30.) 



