10. 
tf. 
12. 
13. 
14. 
15. 
16. 
EY. 
18. 
19. 
20. 
Pg i 
22. 
23. 
24. 
25. 
590 
GENUS MARINULA. King. 
Marinula cymbeformis, var. ecluz. 
Australia. 
Marinula patula. Lowe. Moreton Bay, 
Queensland, Australia. 
SUBFAMILY III.—AURICULEA. 
GENUS PyTHIA. Bolten. 
Pythia argenvillei. Pfeffer. North 
Australian Coast. 
Pythia chalcostoma. Adams. Ysabel 
; Isl., Solomon Isls. 
Pythia insularis. Jacq. Solomon Isls. 
Pythia macgillivrayi. Pfeiffer. Aneiteum 
Isl., New Hebrides Isls. 
Pythia nux. Reeve. San Christoval 
Isl., Solomon Isls. 
Pythia ovata. Pfeiffer. Ysabel Isl., 
Solomon Isls. 
Pythia pollex. Hinds. Ovolau Isl., 
Fiji Isls. 
Pythia pollex, small var. Hinds. Sand- 
wich Isl., New Hebrides Isls. 
Pythia pyramidata. Reeve. Tutuila 
Isl., Navigator’s Isls. 
Pythia scarabeeus. Zinn. San Christoval 
Isl., Solomon Isls. 
Pythia striata. eeve. Aneiteum Isl., 
New Hebrides Isls. 
GENUS PLECOTREMA. HZ. and A. Adams. 
Plecotrema bicolor. Pfeiffer. Port Jack- 
son, Sydney, N.S. W. 
Plecotrema concinna. H. and A. Adams. 
Moreton Bay, Queensland, Australia. 
Plecotrema lirata. H. and A. Adams. 
Moreton Bay, Queensland, Australia. 
