390 



BULLETIN OF THE BUREAU OF FISHERIES. 



DIAGRAM 21. Fish 152, S. fontinalis, length 19 cm.; type tubular. 



DIAGRAM 22. Fish 156, S. fontinalis, length 18 cm.; type tubular. 



DIAGRAM 23. Fish 172, S. fontinalis, length 17 cm.; type solid. 



DIAGRAM 24. Fish 174, S. fontinalis, length 20 cm.; type papillar. 



