20 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Cyphopods rather massive, receptacle largest on median or posterior 

 side, strongly ridged vertically, curving around in front of valves and 

 slightly around to anterior or lateral side of latter (fig. 15). Valves 



Figures 13-16. — Cleptoria abbotti, new species: 13, left gonopod of holotype, medial aspect; 

 14, same, dorsal aspect; 15, left cyphopod of female paratope, caudoventral aspect; 16, 

 same, medial aspect. 



essentially similar in size and appearance, largest basally, attenuated 

 toward free ends, distally concave to enclose flat impressed surface 

 traversed by median suture. Operculum small, concealed in dorsal and 

 medial aspects, under convex basal ends of valves. 



