

Fig. LXVI. — Ph. ( Philomedcs) globosa (W. Lilljedorg). — I. Loft valve seen from the side, <5; 36 X. 2. Siiell seen 

 from below, (J; 2'i X. -i. Riglil valve, seen from the side, ?; 36 X. i. Pari of llie surface of llie shell, wilh pores 

 and cavities and Uvo kinds of bristles, $; 312 X. 5. Median eye and rod-shaped organ, (J: 105 X. 6. Distal part of 

 the right penis, seen from outside; 272 X. 7. Furca; the spines of the .laws are not drawn, J; 8i X. Figs. 1— i from 

 specimen from Greenland, 5 — 7 from speeimeris from Skager Rak. 



