16 PROCEEDINGS OF THE NATIONAL MUSEUM VOL, 125 
large, elongate-oval patches of spines directed downward toward 
the esophagus. 
The palps are long, high, and spatulate. Along the superior margin 
the setae are moderately long and densely concentrated, whereas 
Ficure 3.—Balanus (Megabalanus) stultus Darwin, 1854, AMNH 12460, Scotts Hea: 
Bay, Dominica: a, mandible; b, maxilla I; ¢c, palp; d, labrum; e, maxilla II; f, cirrus I 
g, cirrus II; h, cirrus I; 7, distal end of penis; j, cirrus VI. (Setae omitted on cirri I-III 
on numbered segments of cirrus VI, only one set of setae shown; a=anterior ramus 
p=posterior ramus; scale in millimeters.) 
