NO. 3563 EUPHILOMEDES AROSTRATA—KORNICKER 1133 
Cf CF 
SRO Og 
| SD aa ae | ae 
CARS COS 
Ficure 2.—Euphilomedes arostrata, new species, female: a, medial view left valve posterior 
hinge element; B, ventral view posterior hinge elements of partly open connected valves 
(posterior end of valves to left); c, dorsal view posterior hinge element of partly open con- 
nected valves (posterior end of valves to left); p, medial right valve posterior hinge ele- 
ment; E, lateral view left valve posterior hinge element; F, lateral view left valve muscle 
scars (anterior to left); Gc, medial view part of valve margin with calcium carbonate re- 
moved by dilute acid; u, lateral view anteroventral part of left valve showing distribution 
of surface hairs. (Same scale, in mm.: A-F, H; G.) 
