Sliklies on inuriuf Oslracods 



415 



Fig. LXXV. — Ph. ( Philomedes) rotunda ii. sp. — 1. Shell, seen from the side, ?; 43 X. 2. The sculpture of tlie surface 

 of the shell, $; 312 X. 3. Left first antenna, seen from inside, ?; 133 X. '>■ Endopodile of the rii,'hl second antenna, 

 seen from inside, (J stage I; 232 X. 5. Furca seen frornlnside, $:115 X. fi. Hod-shaped organ and median eye, $;lfiO X. 



